NACA Digital Library

1. Diederichs, H Upton, G B , Mufflers for aeronautic engines , NACA Report 10 , 1917 , pp. 10 .

2. Lucke, Charles Edward Willhofft, Friederich Otto , Carburetor design - a preliminary study of the state of the art , NACA Report 11 , 1917 , pp. 513 .

3. Marchis, L , Experimental researches on the resistance of air , NACA Report 12 , 1917 , pp. 77 .

4. Blair, William R , Meteorology and aeronautics , NACA Report 13 , 1917 , pp. 46 .

5. Gorrell, E. S. and Martin, H. S., Aerofoils and Aerofoil Structural Combinations, NACA Report 18, 1917, pp. 38.

6. Hunsaker, J C Wilson, Edward Bidwell , Report on behavior of aeroplanes in gusts , NACA Report 1 , 1917 , pp. 54 .

7. Sunderlang, C C Horn, H J Green, D , Report on investigations of aviation wires and cables, their fastenings and terminal connections , NACA Report 3 , 1917 , pp. 30 .

8. (Author(s) Not Available) , Relative worth of improvements of fabrics , NACA Report 5 , 1917 , pp. 10 .

9. Lucke, Charles E , Thermodynamic efficiency of present types of internal combustion engines for aircraft , NACA Report 7 , 1917 , pp. 119 .

10. (Author(s) Not Available) , General specifications covering requirements of aeronautic instruments , NACA Report 8 , 1917 , pp. 5 .

11. Durand, William F , Experimental research on air propellers , NACA Report 14 , 1918 , pp. 103 .

12. Nomenclature for aeronautics, NACA Report 15, 1918, pp. 9.

13. Haas, Rudolf Dietzius, Alexander , The stretching of the fabric and the deformation of the envelope in nonrigid balloons , NACA Report 16 , 1918 , pp. 135 .

14. Klemin, Alexander Warner, Edward P Denkinger, George M , An investigation of the elements which contribute to statical and dynamical stability, and of the effects of variation in those elements , NACA Report 17 , 1918 , pp. 69 .

15. Gorrell, Edgar S Martin, H S , Aerofoils and aerofoil structural combinations , NACA Report 18 , 1918 , pp. 39 .

16. Zahm, A. F., Periodic stresses in gyroscopic bodies, with applications to air screws, NACA Report 19, 1918, pp. 9.

17. Ames, Joseph S , Aerodynamic coefficients and transformation tables , NACA Report 20 , 1918 , pp. 11 .

18. Wilson, Edwin Bidwell , Theory of an airplane encountering gusts II , NACA Report 21 , 1918 , pp. 28 .

19. Walen, E D , Fabrics for aeronautic construction , NACA Report 22 , 1918 , pp. 45 .

20. Dickinson, H C , Aeronautic power plant investigations , NACA Report 23 , 1918 , pp. 16 .

21. Smith, W H , Airplane dopes and doping , NACA Report 38 , 1919 , pp. 4 .

22. Lewis, G W Nutting, E M , Air flow through poppet valves , NACA Report 24 , 1920 , pp. 18 .

23. Nomenclature for aeronautics, NACA Report 25, 1920, pp. 9.

24. Wilson, Edwin Bidwell , The variation of yawing moment due to rolling , NACA Report 26 , 1920 , pp. 4 .

25. Wilson, Edwin Bidwell , Theory of an airplane encountering gusts III , NACA Report 27 , 1920 , pp. 7 .

26. De Bothezat, George , An introduction to the laws of air resistance of aerofoils , NACA Report 28 , 1920 , pp. 69 .

27. De Bothezat, George , The general theory of blade screws including propellers, fans, helicopter screws, helicoidal pumps, turbo-motors, and different kinds of helicoidal blades , NACA Report 29 , 1920 , pp. 104 .

28. Durand, William F Lesley, E P , Experimental research on air propellers II , NACA Report 30 , 1920 , pp. 63 .

29. Zahm, A F , Development of air speed nozzles , NACA Report 31 , 1920 , pp. 20 .

30. Larson, L J , The airplane tensiometer , NACA Report 32 , 1920 , pp. 6 .

31. Dorsey, N E , Self-luminous materials , NACA Report 33 , 1920 , pp. 11 .

32. Merica, Paul D , Aluminum and its light alloys , NACA Report 34 , 1920 , pp. 4 .

33. Nelson, John H , The strength of one-piece solid, build-up and laminated wood airplane wing beams , NACA Report 35 , 1920 , pp. 9 .

34. Walen, E Dean , The structure of airplane fabrics , NACA Report 36 , 1920 , pp. 38 .

35. Walen, E D Fisher, R T , Fabric fastenings , NACA Report 37 , 1920 , pp. 10 .

36. Edwards, Junius David Moore, Irwin L , The testing of balloon fabrics , NACA Report 39 , 1920 , pp. 14 .

37. Weaver, E R Berry, W M Bohnson, V L Gordon, B D , The ferrosilicon process for the generation of hydrogen , NACA Report 40 , 1920 , pp. 40 .

38. Edwards, Junius David , Testing balloon gas , NACA Report 41 , 1920 , pp. 4 .

39. Paris, Auguste Jean, Jr Paris, W Francelyn , A new process for the production of aircraft-engine fuels , NACA Report 42 , 1920 , pp. 4 .

40. Dickinson, H C Kleinschmidt, R V , Synopsis of aeronautic radiator investigations for years 1917 and 1918 , NACA Report 43 , 1920 , pp. 6 .

41. Dickinson, H C Boutell, H G , The altitude laboratory for the test of aircraft engines , NACA Report 44 , 1920 , pp. 19 .

42. Dickinson, H C (National Bureau of Standards) James, W S Anderson, G V Brinkerhoff, V W , Effect of compression ratio, pressure, temperature, and humidity on power , NACA Report 45 , 1920 , pp. 26 .

43. Gage, Victor R , A study of airplane engine tests , NACA Report 46 , 1920 , pp. 35 .

44. Dickinson, W S James, W S Roberts, E W Gage, V R Harper, D R Iii , Power characteristics of fuels for aircraft engines , NACA Report 47 , 1920 , pp. 29 .

45. Tice, Percival S , Carbureting conditions characteristics of aircraft engines , NACA Report 48 , 1920 , pp. 6 .

46. Tice, Percival S Dickinson, H C , Metering characteristics of carburetors , NACA Report 49 , 1920 , pp. 50 .

47. Kemble, E C , Calculation of low-pressure indicator diagrams , NACA Report 50 , 1920 , pp. 11 .

48. Silsbee, F. B., Loeb, L. B., Sawyer, L. G., Fonseca, E. L, Dickinson, H. C. and Agnew, P. G., Spark plug defects and tests, NACA Technical Report 51, 1920, pp. 31.

49. Cragoe, C. S., Temperatures in spark plugs having steel and brass shells, NACA Technical Report 52, 1920, pp. 6.

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52. Silsbee, F. B., Honaman, R. K., Fonseca, E. L., Bleininger, A. V. and Staley, H. F., Properties and preparation of ceramic insulators for spark plugs, NACA Technical Report 53, 1920, pp. 33.

53. Loeb, L. B. and Silsbee, F. B., Effect of temperature and pressure on the sparking voltage, NACA Technical Report 54, 1920, pp. 9.

54. Upton, G. B. and Gage, V. R., Investigation of the muffling problem for airplane engines, NACA Technical Report 55, 1920, pp. 39.

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56. Silsbee, F. B., Loeb, L. B. and Fonseca, E. L., Heat energy of various ignition sparks, NACA Technical Report 56, 1920, pp. 16.

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58. Gorton, W S , The subsidiary gap as a means for improving ignition , NACA Report 57 , 1920 , pp. 14 .

59. Silsbee, F B , Characteristics of high-tension magnetos , NACA Report 58 , 1920 , pp. 22 .

60. Dickinson, H C James, W S Kleinschmidt, R V , General analysis of airplane radiator problems , NACA Report 59 , 1920 , pp. 7 .

61. Dickinson, H C James, W S Brown, W B , General discussion of test methods for radiators , NACA Report 60 , 1920 , pp. 21 .

62. Kleinschmidt, R V Parsons, S R , Head resistance due to radiators , NACA Report 61 , 1920 , pp. 20 .

63. James, W S Parsons, S R , Effect of altitude on radiator performance , NACA Report 62 , 1920 , pp. 11 .

64. Dickinson, H C James, W S Kleinschmidt, R V , Results of tests on radiators for aircraft engines , NACA Report 63 , 1920 , pp. 43 .

65. Durand, W F Lesley, E P , Experimental research on air propellers III , NACA Report 64 , 1920 , pp. 35 .

66. Tiemann, Harry D , The kiln drying of wood for airplanes , NACA Report 65 , 1920 , pp. 38 .

67. Allen, S W Truax, T R , Glues used in airplane parts , NACA Report 66 , 1920 , pp. 24 .

68. Sparhawk, W N , Supplies and production of aircraft wood , NACA Report 67 , 1920 , pp. 63 .

69. Wilson, T R C , The effect of kiln drying on the strength of airplane woods , NACA Report 68 , 1920 , pp. 72 .

70. Coffin, J G , A study of airplane ranges and useful loads , NACA Report 69 , 1920 , pp. 27 .

71. Warner, E P Norton, F H , Preliminary report on free flight tests , NACA Report 70 , 1920 , pp. 34 .

72. Warner, Edward P , Slip-stream corrections performance computation , NACA Report 71 , 1920 , pp. 7 .

73. Warner, Edward P Norton, F H , Wind tunnel balances , NACA Report 72 , 1920 , pp. 45 .

74. Warner, Edward P Norton, F H Hebbert, C M , The design of wind tunnels and wind tunnel propellers , NACA Report 73 , 1920 , pp. 25 .

75. Norton, F H , Construction of models for tests in wind tunnels , NACA Report 74 , 1920 , pp. 21 .

76. Norton, F H , The aerodynamic properties of thick aerofoils suitable for internal bracing , NACA Report 75 , 1920 , pp. 24 .

77. Warner, Edward P Miller, Roy G , Fuselage stress analysis , NACA Report 76 , 1920 , pp. 13 .

78. Parker, H F , The Parker variable camber wing , NACA Report 77 , 1920 , pp. 40 .

79. Wilson, Edwin Bidwell , The limiting velocity in falling from a great height , NACA Report 78 , 1920 , pp. 6 .

80. Wilson, Edwin Bidwell , Bomb trajectories , NACA Report 79 , 1920 , pp. 8 .

81. Zahm, A. F. and Crook, L. H., Airplane stress analysis, NACA Technical Report 82, 1920, pp. 74.

82. Froude, W , On the elementary relation between pitch, slip, and propulsive efficiency , NACA TM-1 , July 1920 , pp. 13 .

83. (Author(s) Not Available) , Variable pitch propellers , NACA TM-2 , November 1920 , pp. 6 .

84. Woodward, R W (Bureau of Standards) , Recent developments in light alloys , NACA TM-3 , November 1920 , pp. 7 .

85. Gradenwitz, Arthur , Tests of artificial flight at high altitudes , NACA TM-4 , November 1920 , pp. 8 .

86. L. Prandtl, Theory of lifting surfaces, NACA TN 10, Aug 1920, pp. 10.

87. Rene Devillers, The problem of the turbo-compressor, NACA TN 11, Aug 1920, pp. 29.

88. Schwager, Recent efforts and experiments in the construction of aviation engines, NACA TN 12, Sept 1920, pp. 19.

89. P. Idrac, Soaring flight in Guinea, NACA TN 13, Aug 1920, pp. 6.

90. S. W. Sparrow, Increase in maximum pressures produced by preignition in internal combustion engines, NACA TN 14, Aug 1920, pp. 6.

91. W. G. Noack, Tests of the Daimler D-IVa engine at a high altitude test bench, NACA TN 15, Oct 1920, pp. 21.

92. K. Kutzbach, Experience with geared propeller drives for aviation engines, NACA TN 16, Sep 1920, pp. 23.

93. Wm Knight, Italian and French experiments on wind tunnels, NACA TN 17, Nov 1920, pp. 17.

94. W. Stieber, The dynamometer hub, NACA TN 18, Sep 1920, pp. 17.

95. W. Margoulis, The steadiness factor in engine sets, NACA TN 19, Jan 1920, pp. 13.

96. Edward P. Warner, Notes on longitudinal stability and balance, NACA TN 1, Apr 1920, pp. 22.

97. W. Margoulis, Notes on specifications for French airplane competitions, NACA TN 20, Oct 1920, pp. 17.

98. A. Toussaint, Drag or negative traction of geared-down supporting propellers in the downward vertical glide of a helicopter, NACA TN 21, Sep 1920, pp. 6.

99. F. H. Norton, The photographic recording of small motions, NACA TN 22, Nov 1920, pp. 17.

100. A. F. Zahn, Horizontal buoyancy in wind tunnels, NACA TN 23, Nov 1920, pp. 4.

101. A. Betz, Development of the inflow theory of the propeller, NACA TN 24, Nov 1920, pp. 9.

102. Karl D. Wood, A variable speed fan dynamometer, NACA TN 26, Dec 1920, pp. 11.

103. S. W. Sparrow, Instrument for measuring engine clearance volumes, NACA TN 27, Dec 1920, pp. 16.

104. A. Baumann, Progress made in the construction of giant airplanes in Germany during the war, NACA TN 29, Dec 1920, pp. 12.

105. George De Bothezat, Airplane performance as influenced by the use of a supercharged engine, NACA TN 2, May 1920, pp. 21.

106. F. H. Norton, Design of recording wind tunnel balances, NACA TN 30, Dec 1920, pp. 10.

107. S. W. Sparrow, High thermal efficiency in airplane service, NACA TN 39, Dec 1920, pp. 8.

108. E. P. Warner, Notes on the theory of the accelerometer, NACA TN 3, May 1920, pp. 14.

109. E. P. Warner, The problem of the helicopter, NACA TN 4, May 1920, pp. 23.

110. A. F. Zahm, Relation of rib spacing to stress in wing planes, NACA TN 5, May 1920, pp. 7.

111. L. Prandtl, Gottingen Wind Tunnel for testing aircraft models, NACA TN 66, Nov 1920, pp. 25.

112. E. P Warner, Static testing and proposed standard specifications, NACA TN 6, Jul 1920, pp. 18.

113. Schwager, Notes on the design of supercharged and overdimensioned aircraft engines, NACA TN 7, Jul 1920, pp. 7.

114. E. Unger and E. Schmidt, Duralumin, NACA TN 8, Jul 1920, pp. 14.

115. L. Prandtl, Theory of lifting surfaces, NACA TN 9, Jul 1920, pp. 12.

116. Norton, F H Warner, Edward P , Accelerometer design , NACA Report 100 , 1921 , pp. 15 .

117. Kemble, E C , The calculated performance of airplanes equipped with supercharging engines , NACA Report 101 , 1921 , pp. 51 .

118. Sparrow, S W White, H S , Performance of a Liberty 12 airplane engine , NACA Report 102 , 1921 , pp. 20 .

119. Sparrow, S W White, H S , Performance of a 300-horsepower Hispano-Suiza airplane engine , NACA Report 103 , 1921 , pp. 22 .

120. Miller, Roy G , Torsion of wing trusses at diving speeds , NACA Report 104 , 1921 , pp. 8 .

121. Warner, E P Norton, F H , Angles of attack and air speeds during maneuvers , NACA Report 105 , 1921 , pp. 12 .

122. Parsons, S R , Turbulence in the air tubes of radiators for aircraft engines , NACA Report 106 , 1921 , pp. 13 .

123. Dickinson, H C Newell, F B , A high-speed engine pressure indicator of the balanced diaphragm type , NACA Report 107 , 1921 , pp. 14 .

124. Gage, Victor R , Factors of airplane engine performance , NACA Report 108 , 1921 , pp. 29 .

125. Durand, W F Lesley, E P , Experimental research on air propellers IV , NACA Report 109 , 1921 , pp. 11 .

126. Hersey, M D Hunt, F L Eaton, H N , The altitude effect on air speed indicators , NACA Report 110 , 1921 , pp. 25 .

127. (Author(s) Not Available) , Nomenclature for aeronautics , NACA Report 91 NACA-TR-9 NACA-TR-15 NACA-TR-25 , 1921 , pp. 41 .

128. Caldwell, F W Fales, E N , Wind tunnel studies in aerodynamic phenomena at high speed , NACA Report 83 , 1921 , pp. 60 .

129. Elmendorf, Armin , Data on the design of plywood for aircraft , NACA Report 84 , 1921 , pp. 16 .

130. Dunlap, M E , Moisture resistant finishes for airplane woods , NACA Report 85 , 1921 , pp. 8 .

131. Parsons, S R , Properties of special types of radiators , NACA Report 86 , 1921 , pp. 17 .

132. Parsons, S R Kleinschmidt, R V , Effects of nature of cooling surface on radiator performance , NACA Report 87 , 1921 , pp. 11 .

133. Parsons, S R , Pressure drop in radiator air tubes , NACA Report 88 , 1921 , pp. 9 .

134. Gage, V R Sparrow, S W Harper, D R , Comparison of alcogas aviation fuel with export aviation gasoline , NACA Report 89 , 1921 , pp. 14 .

135. Dickinson, H C Gage, V R Sparrow, S W , Comparison of hecter fuel with export aviation gasoline , NACA Report 90 , 1921 , pp. 10 .

136. Nomenclature for aeronautics, NACA Report 91, NACA Report 9, NACA Report 15, NACA Report 25, 1921, pp. 41.

137. Warner, E P Miller, R G , Analysis of wing truss stresses including the effect of redundancies , NACA Report 92 , 1921 , pp. 20 .

138. (Author(s) Not Available) , Aerodynamic characteristics of aerofoils I , NACA Report 93 , 1921 , pp. 80 .

139. Norton, F H , The efficiency of small bearings in instruments of the type used in aircraft , NACA Report 94 , 1921 , pp. 10 .

140. Batemen, H , Diagrams of airplane stability , NACA Report 95 , 1921 , pp. 25 .

141. Warner, Edward P , Statical longitudinal stability of airplanes , NACA Report 96 , 1921 , pp. 28 .

142. De Bothezat, George , General theory of the steady motion of an airplane , NACA Report 97 , 1921 , pp. 67 .

143. Norton, F H Warner, Edward P , Design of wind tunnels and wind tunnel propellers II , NACA Report 98 , 1921 , pp. 10 .

144. Norton, F H Allen, E T , Accelerations in flight , NACA Report 99 , 1921 , pp. 8 .

145. (Author(s) Not Available) , The law relating to air currents , NACA TM-10 , March 1921 , pp. 5 .

146. (Author(s) Not Available) , The Goebel rotary engine , NACA TM-11 , March 1921 , pp. 3 .

147. Margoulis, W , Abacus giving the variation of the mean pressure of an aviation engine as a function of its speed of rotation , NACA TM-12 , March 1921 , pp. 11 .

148. (Author(s) Not Available) , The Oehmichen Peugeot helicopter , NACA TM-13 , 1921 , pp. 6 .

149. Boccaccio, Paul , The coupling of engines , NACA TM-14 , April 1921 , pp. 7 .

150. Rateau, A , Resume of the theory of naval and aerial propulsive propellers and of airplanes in the rectilinear flight , NACA TM-17 , April 1921 , pp. 6 .

151. (Author(s) Not Available) , Rates for flights organized by the state , NACA TM-18 , April 1921 , pp. 7 .

152. (Author(s) Not Available) , The technical development of the transport airplane.Report of the Aero-Technical Conference of the Scientific Association for Aeronautics, March 5, 1919 , NACA TM-19 , April 1921 , pp. 12 .

153. (Author(s) Not Available) , Sixth meeting of the members of the German Scientific Association for Aeronautics , NACA TM-20 , April 1921 , pp. 10 .

154. Rohbach, A K (Zeppelin Works, Staaken, Germany) , Transport airplanes , NACA TM-22 , April 1921 , pp. 6 .

155. (Author(s) Not Available) , British certificates of airworthiness , NACA TM-23 , May 1921 , pp. 6 .

156. Volterra, Vito , Observations on the method of determining the velocity of airships , NACA TM-24 , June 1921 , pp. 17 .

157. Everling, E (German Aeronautical Laboratory) , The dynamometer hub and the flywheel of the engine , NACA TM-25 , June 1921 , pp. 8 .

158. Kook, E , Simple means for saving fuel on traffic flights , NACA TM-26 , June 1921 , pp. 14 .

159. Proll, A , Flexibility of bearing surfaces and stress on fabrics , NACA TM-27 , June 1921 , pp. 13 .

160. Tenani, Mario , Abacus for the reduction of English measures to the metric system and vice versa , NACA TM-30 , July 1921 , pp. 8 .

161. (Author(s) Not Available) , Flexible petrol pipe , NACA TM-31 , July 1921 , pp. 3 .

162. Pegna, G , High efficiency of seaplanes , NACA TM-32 , August 1921 , pp. 6 .

163. Ratzersdorfer, Julius , Calculation of wing spars , NACA TM-34 , August 1921 , pp. 5 .

164. Muller-Breslau, H , Calculation of wing spars , NACA TM-35 , August 1921 , pp. 11 .

165. Sabatier, J , Large German airship stations , NACA TM-36 , August 1921 , pp. 13 .

166. Lewe, Victor , Shape and strength of seaplane under-structures with special regard to seaworthiness , NACA TM-37 , August 1921 , pp. 14 .

167. Schwager, Otto , Preliminary calculation of cylinder dimensions for aircraft engines , NACA TM-38 , September 1921 , pp. 12 .

168. (Author(s) Not Available) , Competition for safety fuel tanks , NACA TM-39 , September 1921 , pp. 8 .

169. Nicolson, David , Glossary of terms used in flying boat hull construction , NACA TM-40 , September 1921 , pp. 11 .

170. Frey, Ernst , The small diesel engine as an automotive engine , NACA TM-43 , September 1921 , pp. 17 .

171. Segre, Marco , A new dynamometer brake , NACA TM-44 , September 1921 , pp. 21 .

172. Heidelberg, V , Influence of struts and stays on the speed of an airplane , NACA TM-46 , October 1921 , pp. 10 .

173. Prandtl, L , Some remarks concerning soaring flight , NACA TM-47 , October 1921 , pp. 10 .

174. (Author(s) Not Available) , A petrol-proof flexible tubing at last: an invention of the greatest importance to aviation , NACA TM-48 , October 1921 , pp. 6 .

175. Kempe, Erich , Establishment of aviation schools , NACA TM-49 , November 1921 , pp. 6 .

176. (Author(s) Not Available) , Extracts from the Belgian regulations for government assistance to air transport companies , NACA TM-50 , November 1921 , pp. 12 .

177. Bouche, Henri , Aeronautic instruction in Germany , NACA TM-51 , November 1921 , pp. 8 .

178. Hopf, L , The danger of stalled flight and an analysis of the factors which govern it , NACA TM-52 , November 1921 , pp. 27 .

179. Leyensetter, Walther , Traffic airships with special reference to economy , NACA TM-53 , November 1921 , pp. 36 .

180. Borck, Hermann , Dependence of propeller efficiency on angle of attack of propeller blade , NACA TM-54 , 1921 , pp. 8 .

181. Wronsky, W , Commercial aviation in Germany : past and future , NACA TM-5 , February 1921 , pp. 11 .

182. Langsdorff, Werner V , The Rumpler passenger airplane , NACA TM-6 , March 1921 , pp. 7 .

183. Norton, F H , The art of writing scientific reports , NACA TM-7 , March 1921 , pp. 13p Th .

184. (Author(s) Not Available) , Development of aeronautical engines by the Army and Navy , NACA TM-9 , March 03, 1921 , pp. 5p Air .

185. Ing Stelmachowski, Loads and calculations of army airplanes, NACA TN 28, Feb 1921, pp. 12.

186. Fr. Natalis, Crippling strength of axially loaded rods, NACA TN 31, Oct 1921, pp. 37.

187. F. B. Silsbee, Causes of cracking of ignition cable, NACA TN 32, Feb 1921, pp. 17.

188. Ing C. Wieselsberger, The effect of the nature of surfaces on resistance as tested on struts, NACA TN 33, Feb 1921, pp. 14.

189. A. Heller, The 300 H.P. Benz aircraft engine, NACA TN 34, Jan 1921, pp. 18.

190. F. H. Norton and D. L. Bacon, The optical wing aligning device of the Langley Field tunnel, NACA TN 35, Jan 1921, pp. 6.

191. F. H. Norton and D. L. Bacon, N.A.C.A. Langley field wind tunnel apparatus the tilting manometer, NACA TN 36, Jan 1921, pp. 5.

192. W. E. Davidson and D. L. Bacon, The determination of the effective resistance of a spindle supporting a model airfoil, NACA TN 37, Jan 1921, pp. 9.

193. Ing V. Heidelberg, Measurements of rudder moments on an airplane during flight, NACA TN 38, Jan 1921, pp. 29.

194. Marsden Ware, Effect of the reversal of air flow upon the discharge coefficient of Durley Orifices, NACA TN 40, Feb 1921, pp. 15.

195. A Betz, Influence of span and load per square meter on the air forces of the supporting surface, NACA TN 41, Mar 1921, pp. 9.

196. Walter S. Diehl, The determination of downwash, NACA TN 42, Jan 1921, pp. 13.

197. A. Toussaint, Note on the resistance of polished cylinders (and cylindrical wires) with generatrices perpendicular to the airstream, NACA TN 43, Feb 1921, pp. 13.

198. D. P. Riabouchinshy, On the Resistance of spheres and ellipsoids in wind tunnels, NACA TN 44, Jan 1921, pp. 14.

199. A. Toussaint and Hayer, Extract from a report on the resistance of spheres of small diameter in an airstream of high velocity, NACA TN 45, Mar 1921, pp. 12.

200. Wilhelm Hoff, Theory of the ideal windmill, NACA TN 46, Jul 1921, pp. 18.

201. Prof. Karman, Recent European developments in helicopters, NACA TN 47, Apr 1921, pp. 19.

202. W. G. Noack, Airplane superchargers, NACA TN 48, May 1921, pp. 31.

203. D. Riabouchinski, On the resistance of the air at high speeds and on the automatic rotation of projectiles, NACA TN 49, Apr 1921, pp. 9.

204. W. Margoulis, Gordon Bennett Airplane Cup, NACA TN 50, Apr 1921, pp. 17.

205. L. Huguet, Airplane balance, NACA TN 51, Jun 1921, pp. 33.

206. W. Margoulis, A new method of testing in wind tunnels, NACA TN 52, Aug 1921, pp. 21.

207. D. L. Bacon, Similitude tests on wind sections, NACA TN 53, Mar 1921, pp. 31.

208. F. H. Norton, The factors that determine the minimum speed of an airplane, NACA TN 54, Mar 1921, pp. 15.

209. Stanwood W. sparrow, Airplane crashes: engine troubles : a possible explanation, NACA TN 55, Mar 1921, pp. 7.

210. Wilhelm Hoff, The development of German Army airplanes during the war, NACA TN 56, Jun 1921, pp. 35.

211. Max Munk, The Caproni Seaplane, NACA TN 57, Jul 1921, pp. 16.

212. Max Munk, Absolute coefficients and the graphical representation of airfoil characteristics, NACA TN 58, Jun 1921, pp. 12.

213. O. Enoch, The dynamometer hub for the testing propellers and engines during flight, NACA TN 59, Jul 1921, pp. 27.

214. Max Munk, On a new type of wind tunnel, NACA TN 60, May 1921, pp. 20.

215. R. H. Heald, Performance of a vane driven-gear pump, NACA TN 61, Sep 1921, pp. 21.

216. W. S. James, The problem of fuel for aviation engines, NACA TN 62, Jul 1921, pp. 22.

217. Umberto Nobile, The employment of airships for the transport of passengers, NACA TN 63, Aug 1921, pp. 42.

218. F. H. Norton, N.A.C.A. recording air speed meter, NACA TN 64, Oct 1921, pp. 9.

219. D. L. Bacon, Langley Field wind tunnel apparatus, NACA TN 65, Oct 1921, pp. 10.

220. Arthur E. Raymond, Ground influence on airfoils, NACA TN 67, Dec 1921, pp. 17.

221. A. Betz, Vortices and the related principles of hydrodynamics, NACA TN 68, Nov 1921, pp. 27.

222. F. H. Norton, An investigation on the effect of raked wing tips, NACA TN 69, Nov 1921, pp. 7.

223. F. H. Norton, The effect of staggering a biplane, NACA TN 70, Sep 1921, pp. 8.

224. G. Lachmann, Experiments with slotted wings, NACA TN 71, Nov 1921, pp. 43.

225. M. D. Hersey, Aneroid investigations in Germany, NACA TN 72, Oct 1921, pp. 10.

226. Edward P. Warner, The choice of wing sections for airplanes, NACA TN 73, Nov 1921, pp. 39.

227. L. Prandtl, Mutual influence of wings and propeller, NACA TN 74, Dec 1921, pp. 12.

228. L. Prandtl, Effects of varying the relative vertical position of wing and fuselage, NACA TN 75, Dec 1921, pp. 10.

229. F. H. Norton, A mechanical device for illustrating airplane stability, NACA TN-76, December, 1921, pp. 7.

230. Hoff, Wilhelm , Lecture on the Rhon soaring flight competition, 1921 , NACA TM-100 , June 1922 , pp. 24 .

231. (Author(s) Not Available) , Fakir fuel pump , NACA TM-101 , June 1922 , pp. 6 .

232. Becker, G , Engine pistons of light metal , NACA TM-102 , June 1922 , pp. 7 .

233. (Author(s) Not Available) , Effect of structure in middle part of leading edge of a thick wing : communication from Rijks-Studiedienst voor de Luchtvaart of Amsterdam , NACA TM-103 , June 1922 , pp. 10 .

234. Klemperer, W , Problem of the slotted wing : a communication from the Aerodynamic Institute of the Aachen Technical High School , NACA TM-104 , June 1922 , pp. 10 .

235. Herrera, Emilio , The R-38 catastrophe and the mechanics of rigid airship construction , NACA TM-105 , June 1922 , pp. 16 .

236. Warner, Edward P (Massachusetts Inst. of Tech) , Comfort in flight , NACA TM-106 , June 1922 , pp. 5p The .

237. Warner, Edward P (Massachusetts Inst. of Tech) , The prospects of the helicopter , NACA TM-107 , June 1922 , pp. 7p The .

238. (Author(s) Not Available) , The world's air transportation services : data as to passengers, mail, and goods carried by American and European transportation services , NACA TM-108 , June 1922 , pp. 55 .

239. Ravennes, Jean , Maritime aviation , NACA TM-109 , July 1922 , pp. 13 .

240. Arnstein, Karl , The stresses in columns under combined axial and side loads , NACA TM-110 , July 1922 , pp. 8 .

241. Burzio, Filippo (Aeronautical Laboratory, Royal Polytechnical Institute, Turin) , Aerodynamics and ballistics , NACA TM-111 , July 1922 , pp. 10 .

242. Vivent, Jacques , Politics of aviation fields , NACA TM-112 , July 1922 , pp. 7 .

243. Van Crombrugge, A (Belgium Air Service) , Aviation in the Belgian Congo , NACA TM-113 , July 1922 , pp. 13 .

244. Warner, Edward P (Massachusetts Inst. of Tech) , European air travel in 1922 , NACA TM-114 , July 1922 , pp. 7 .

245. Rota, Augusto , Airplane stability calculations and their verification by flight tests , NACA TM-115 , July 1922 , pp. 14 .

246. (Author(s) Not Available) , Resume of the activities of the Aeronautical Experimental Institute, Rome, during the months of May, June, July and August 1921 , NACA TM-116 , July 1922 , pp. 6 .

247. Maffert, Pierre , Aerial navigation by dead reckoning , NACA TM-117 , July 1922 , pp. 11 .

248. Richard, Maurice Richard, Paul , General problem of the airplane , NACA TM-118 , July 1922 , pp. 16 .

249. Senouque, A , Propeller tests on airplanes , NACA TM-120 , July 1922 , pp. 13 .

250. Warner, Edward P (Massachusetts Inst. of Tech) , The future of the airship , NACA TM-121 , July 1922 , pp. 6p The .

251. Warner, Edward P (Massachusetts Inst. of Tech) , This summer's gliding meets , NACA TM-122 , July 1922 , pp. 6p The .

252. Miner, V S (U. S. Air Service) Carroll, T , Laying out of a practical air route , NACA TM-123 , July 1922 , pp. 6 .

253. Stadthagen, Paul , Illumination of airways and landing fields , NACA TM-124 , August 1922 , pp. 15 .

254. (Author(s) Not Available) , Description of the Klemperer wing strain meter (accelerometer) , NACA TM-125 , August 1922 , pp. 7 .

255. Warner, Edward P (Massachusetts Inst. of Tech) , Commercial aircraft in war , NACA TM-126 , August 1922 , pp. 6p The .

256. Warner, Edward P (Massachusetts Inst. of Tech) , Potentialities of the parachute , NACA TM-127 , August 1922 , pp. 10 .

257. De Guiche, A De Gramont , Turn indicator , NACA TM-128 , August 1922 , pp. 7 .

258. (Author(s) Not Available) , Test of specimen of wood of longerons of the S.E.5 airplane after seven years' service , NACA TM-129 , August 1922 , pp. 5 .

259. Warner, Edward P (Massachusetts Inst. of Tech) , Police regulation of aircraft , NACA TM-130 , August 1922 , pp. 5 .

260. DE MAROLLES , Utilization conditions of different types of airplanes , NACA TM-131 , August 1922 , pp. 8 .

261. SACADURA CABRAL , Coutinho-Sacadura course corrector , NACA TM-132 , August 1922 , pp. 8 .

262. Warner, Edward P (Massachusetts Inst. of Tech) , Safety in flight , NACA TM-133 , August 1922 , pp. 7p The .

263. JUBERA , Aerodynamic laboratory at Cuatro Vientos , NACA TM-134 , September 1922 , pp. 6 .

264. (Author(s) Not Available) , Fatigue resistance of duralumin , NACA TM-135 , September 1922 , pp. 20 .

265. Lippisch, Espenlaub , Problem of glider models , NACA TM-136 , September 1922 , pp. 9 .

266. Constantin, M Louis , Wind vane with various applications , NACA TM-137 , September 1922 , pp. 10 .

267. Warner, Edward P (Massachusetts Inst. of Tech) , Giant airplanes , NACA TM-138 , September 1922 , pp. 8 .

268. Warner, Edward P (Massachusetts Inst. of Tech) , International aspects of air travel , NACA TM-139 , September 1922 , pp. 6 .

269. Schrenk, M , Aerodynamic computation of gliders , NACA TM-140 , September 1922 , pp. 12 .

270. Warner, Edward P (Massachusetts Inst. of Tech) , Miniature airplanes , NACA TM-141 , September 1922 , pp. 8p The .

271. Warner, Edward P (Massachusetts Inst. of Tech) , The disposal of military aircraft , NACA TM-142 , September 1922 , pp. 6 .

272. Warner, Edward P (Massachusetts Inst. of Tech) , What retards air transport? , NACA TM-143 , September 1922 , pp. 7 .

273. Warner, Edward P (Massachusetts Inst. of Tech) , The prevention of fire in the air , NACA TM-144 , September 1922 , pp. 7 .

274. Katzmayr, R , Deflection of propeller blades while running , NACA TM-145 , October 1922 , pp. 9 .

275. Prondzynski, Stephan V , The wing with a pointed tip , NACA TM-146 , October 1922 , pp. 6 .

276. Sonntag, R , Best rectangular and I-shaped cross sections for airplane wing spars , NACA TM-148 , October 1922 , pp. 7 .

277. Warner, Edward P (Massachusetts Inst. of Tech) , Training of aeronautical engineers , NACA TM-149 , October 1922 , pp. 6 .

278. Warner, Edward P (Massachusetts Inst. of Tech) , Air transport economics , NACA TM-150 , October 1922 , pp. 5 .

279. Hoff, Wilhelm , Computative examination of bending strength of girders originally curved and subjected to longitudinal compression , NACA TM-151 , October 1922 , pp. 12 .

280. Warner, Edward P (Massachusetts Inst. of Tech) , The development of the racing airplane , NACA TM-152 , November 1922 , pp. 6 .

281. Warner, Edward P (Massachusetts Inst. of Tech) , Metal construction of aircraft , NACA TM-153 , November 1922 , pp. 5 .

282. Kapteyn, A , Principle of the Boerner airship , NACA TM-154 , November 1922 , pp. 8 .

283. Bacon, David L , The "Universal" adjustable and reversible propeller built by Paragon Engineers, Inc., Baltimore, Md , NACA TM-155 , November 1922 , pp. 9 .

284. Eiffel, G , Method rendering it possible, in testing airplane wing models at the Eiffel Laboratory, to obtain comparable polars, whether the supports are attached to the upper or lower side of model , NACA TM-156 , November 1922 , pp. 12 .

285. (Author(s) Not Available) , Commercial aviation in France , NACA TM-157 , November 1922 , pp. 8 .

286. Warner, Edward P (Massachusetts Inst. of Tech) , The organization of airways , NACA TM-158 , November 1922 , pp. 7 .

287. Warner, Edward P , Selling air transport , NACA TM-159 , November 1922 , pp. 6 .

288. Hamel, M , Type of engine to employ , NACA TM-160 , November 1922 , pp. 9 .

289. Warner, Edward P , Aeronautical museums , NACA TM-161 , November 1922 , pp. 4 .

290. Warner, Edward P , The usefulness of stunting , NACA TM-162 , November 1922 , pp. 5 .

291. Stapfer, , Comparison of nonrigid and semirigid airships , NACA TM-163 , November 1922 , pp. 4 .

292. Black, Archibald , How to lay out and build an airplane landing field : notes on shape and size of plot, runway details, type and arrangement of buildings, drainage of field, best kind of grass and proper marking to aid pilots , NACA TM-164 , November 1922 , pp. 17 .

293. MISES , Location of center of pressure of airplane wings , NACA TM-165 , November 1922 , pp. 8 .

294. Warner, Edward P (Massachusetts Inst. of Tech) , Lessons of the glider meets , NACA TM-166 , November 1922 , pp. 5 .

295. Martinot, Lagarde , Definition of terms used in connection with commercial aircraft engines , NACA TM-167 , November 1922 , pp. 4 .

296. Reed, S Albert , Air reactions to objects moving at rates above the velocity of sound with application to the air propeller , NACA TM-168 , November 1922 , pp. 23 .

297. Wieselsberger, C , Effect of method of suspending models in airstream on resulting measurements , NACA TM-169 , November 1922 , pp. 12 .

298. LEROY (Bureau des Longitudes) , Effect of temperature and pressure on watches and chronometers , NACA TM-170 , November 1922 , pp. 4 .

299. Sonntag, R Hoff, W , Causes of failure of airship sheds , NACA TM-171 , November 1922 , pp. 13 .

300. Chollet, L (Technical Section of Aeronautics (S.T.Ae.)) , Balloon fabrics made of Goldbeater's skins , NACA TM-172 , December 1922 , pp. 14 .

301. Warner, Edward P (Massachusetts Inst. of Tech) , Airplane performance, past and present , NACA TM-173 , December 1922 , pp. 8 .

302. POINT (Hanriot Airplane Factory) , Commercial airplanes and seaplanes : thick wings or thin wings - all metal or mixed construction , NACA TM-174 , December 1922 , pp. 10 .

303. Warner, Edward P (Massachusetts Inst. of Tech) , Depreciation of aircraft , NACA TM-175 , December 1922 , pp. 7 .

304. Black, Archibald (American Society of Mechanical Engineers) , Influence of design on cost of operating airplanes , NACA TM-176 , December 1922 , pp. 26 .

305. Pistolesi, E (War Department Air Services, Engineering Division, McCook Field, Dayton, Ohio.) , The problem of landing , NACA TM-33 NACA-MR-7 , February 1922 , pp. 7 .

306. Prandtl, L , Recent progress in the theory of air flow as applied to aeronautics , NACA TM-55 , 1922 , pp. 32 .

307. Lagarde, Martinot C , Vibrations of aviation engines , NACA TM-56 , 1922 , pp. 19 .

308. Loth, William , Aerial navigation : on the problem of guiding aircraft in a fog or by night when there is no visibility , NACA TM-57 , 1922 , pp. 6 .

309. Proll, A , Pressure measurements during flight , NACA TM-58 , November 1922 , pp. 11 .

310. Blume, W., The glider, NACA Technical Memorandum 59, 1922, pp. 9.

311. Schwager, O., Behavior of aviation engines at different air densities, NACA Technical Memorandum 60, 1922, pp. 10.

312. Katzmayr, R Kirste, L , The aerodynamical laboratory of the Vienna Technical High School , NACA TM-61 , February 1922 , pp. 11 .

313. James, P , Marking airdromes , NACA TM-62 , February 1922 , pp. 7 .

314. Wendt, FR , Deterioration of airplane fabrics , NACA TM-63 , February 1922 , pp. 6 .

315. PIERROT , Aerial transportation , NACA TM-64 , February 1922 , pp. 19 .

316. Miller, Wm H (Massachusetts Institute of Technology) , The efficiency of a wind tunnel , NACA TM-65 , February 1922 , pp. 9 .

317. Wieselsberger, C , Manometer for recording air speed , NACA TM-66 , February 1922 , pp. 7 .

318. Carleman, M T , Differential equations in airplane mechanics , NACA TM-67 , March 1922 , pp. 10 .

319. Duval, A , Maps and navigation methods , NACA TM-68 , March 1922 , pp. 12 .

320. Bacon, David L , The "Universal propeller": built by Paragon Engineers, Inc., Baltimore, Md , NACA TM-70 , March 1922 , pp. 9 .

321. Aujames, P (Service Radio Meteo de la Compagnie Franco-Roumaine de Navigation Aerienne) , Some principles governing the establishment of meteorological stations along air routes , NACA TM-71 , March 1922 , pp. 10 .

322. Easter, Ewing , Notes on landing places for sea planes along the Atlantic coast , NACA TM-72 , March 1922 , pp. 5 .

323. Fiore, Amedeo , Bagnulo heavy fuel internal combustion engine and its employment in aviation , NACA TM-73 , March 1922 , pp. 7 .

324. Carlier, Andre , Publicity by airplane , NACA TM-74 , March 1922 , pp. 5 .

325. Neal, Erik (Ingenieur-Conseil pour l'Aeronautique) , Aeronautic insurance , NACA TM-75 , March 1922 , pp. 5 .

326. Toussaint, A (Aerotechnic Institute of Saint Cyr) , Evolution of modern aviation and experimental and technical researches in aerodynamic laboratories , NACA TM-76 , April 1922 , pp. 11 .

327. Margoulis, W , Joukowski wings , NACA TM-78 , April 1922 , pp. 19 .

328. Margoulis, W , Propeller theory of Professor Joukowski and his pupils , NACA TM-79 , April 1922 , pp. 15 .

329. DORAND (Interallied Mission of Berlin) , Influence of elliptical distribution of lift on strength of airplane wings , NACA TM-80 , April 1922 , pp. 6 .

330. (Author(s) Not Available) , Distribution of pressure on fuselage of airplane model: communication from Rijks-Studiedienst voor de Luchtvaart of Amsterdam , NACA TM-81 , April 1922 , pp. 8 .

331. (Author(s) Not Available) , Test flight of the Handley Page torpedo-carrying airplane , NACA TM-82 , April 1922 , pp. 8 .

332. Tete, Albert , Organization and exploitation of regular aerial transportation lines , NACA TM-83 , April 1922 , pp. 14 .

333. ROBERT , Applying the results of experiments on small models in the wind tunnel to the calculation of full-sized aircraft , NACA TM-84 , April 1922 , pp. 29 .

334. Royer, Etienne , Commercial airplanes and seaplanes , NACA TM-85 , April 1922 , pp. 7 .

335. Senouque, A , Testing airplanes in flight: determining position of resultant of action of air and longitudinal stability of an airplane at different angles of attack , NACA TM-86 , April 1922 , pp. 8 .

336. PORQUET , Irresponsibility clause in air traffic contracts , NACA TM-87 , April 1922 , pp. 5 .

337. Verduzio, Rodolfo (Instituto Sperimentale Verduzio) , Metal construction , NACA TM-88 , April 1922 , pp. 26 .

338. Sudre, G , Air traffic , NACA TM-89 , May 1922 , pp. 9 .

339. Ripert, Georges (Paris College of Law and the School of Political Science) , Proposed air traffic law , NACA TM-90 , May 1922 , pp. 19 .

340. DEVALUEZ , Regulation of air traffic , NACA TM-91 , May 1922 , pp. 11 .

341. Warner, Edward P (Massachusetts Inst. of Tech) , Stability of airplanes , NACA TM-92 , May 1922 , pp. 6p The .

342. Mayo, R H (Societe Anonyme d'Ingenieurs, Conseils Ogilvie et Co) , Aviation and insurance , NACA TM-93 , May 1922 , pp. 13 .

343. Roper, , Aerial convention of October 13, 1919 , NACA TM-94 , May 1922 , pp. 11 .

344. Warner, Edward P (Massachusetts Inst. of Tech) , Technical problems of commercial flying , NACA TM-95 , May 1922 , pp. 7p The .

345. Warner, Edward P (Massachusetts Inst. of Tech) , The choice of air routes , NACA TM-96 , May 1922 , pp. 7p The .

346. Warner, Edward P (Massachusetts Inst. of Tech) , Night flying , NACA TM-97 , May 1922 , pp. 6p The .

347. Warner, Edward P (Massachusetts Inst. of Tech) , Mechanical aids to flight , NACA TM-98 , May 1922 , pp. 7p The .

348. A. Betz, Theory of the slotted wing, NACA TN-100, June, 1922, pp. 16, Berichte und Abhandlungen der Wissenschaftlichen Gesellschaft fur Luftfahrt. No. 6, January 1922. .

349. Stanwood W. Sparrow and Stephen M. Lee, Comparing maximum pressures in internal combustion engines, NACA TN-101, June, 1922, pp. 5.

350. W. S. Diehl, Skin frictional resistance of plane surfaces in air, NACA TN-102, July, 1922, pp. 7.

351. Walter S. Diehl, Simple formula for estimating airplane ceilings, NACA TN-103, June, 1922, pp. 6.

352. Max M. Munk, Notes on aerodynamic forces I : rectilinear motion, NACA TN-104, July, 1922, pp. 14.

353. Max M. Munk, Notes on aerodynamic forces II : curvilinear motion, NACA TN-105, July, 1922, pp. 11.

354. Max M. Munk, Notes on aerodynamic forces III : the aerodynamic forces on airships, NACA TN-106, July, 1922, pp. 11.

355. Adolf Rohrbach, Structural safety during curved flight, NACA TN-107, August, 1922, pp. 22.

356. Standwood S. Sparrow, The use of multiplied pressures for automatic altitude adjustments, NACA TN-108, January, 1922, pp. 11.

357. Max M. Munk, The twisted wing with elliptic plan form, NACA TN-109, August, 1922, pp. 8.

358. H. I. Hood and D. L. Bacon, The effect on rudder control of slip stream body, and ground interference, NACA TN-110, September, 1922, pp. 11.

359. Max M. Munk, Stresses produced on an airship flying through gusty air, NACA TN-111, September, 1922, pp. 6.

360. H. J. E. Reid, The NACA three component accelerometer, NACA TN-112, October, 1922, pp. 8.

361. Edward P. Warner, Report on the general design of commercial aircraft, NACA TN-113, September, 1922, pp. 21.

362. H. S. McDewell, Supplementary report of oil scraper piston rings, NACA TN-114, September, 1922, pp. 9.

363. F. H. Norton and T. Carroll, The effect of longitudinal moment of inertia upon dynamic stability, NACA TN-115, October, 1922, pp. 5.

364. W. S. Diehl, Comparative performance with direct and geared engines, NACA TN-116, October, 1922, pp. 13 .

365. W. G. Brown, The synchronization of NACA flight records, NACA TN-117, October, 1922, pp. 6.

366. W. S. Diehl, F-5-L Boat Seaplane : performance characteristics, NACA TN-118, October, 1922, pp. 17.

367. Thomas Carroll, The elimination of dead center in the controls of airplanes with thick sections, NACA TN-119, November, 1922, pp. 5.

368. F. H. Norton and W. G. Brown, A preliminary study of airplane performance, NACA TN-120, November, 1922, pp. 13.

369. C. Wieselsberger, Further information on the laws of fluid resistance, NACA TN-121, December, 1922, pp. 12, Physikalische Zeitschrift. Vol. 23, 1922.

370. W. S. Diehl, Center of pressure coefficients for airfoils at high speeds, NACA TN 25, Apr 1922, pp. 5.

371. F. H. Norton, A preliminary investigation of a new method for testing aerofoils in free flight, NACA TN-77, January, 1922, pp. 14.

372. Bureau of Standards, Impact tests for woods, NACA TN-78, February, 1922, pp. 23.

373. Walter S. Diehl, Effect of aerofoil aspect ratio on the slope of the lift curve, NACA TN-79, January, 1922, pp. 6.

374. Colonel Crocco, The dead weight of the airship and the number of passengers that can be carried, NACA TN-80, January, 1922, pp. 24, Aeronautical Experimental Institute (September, 1920 : Rome, Italy).

375. D. L. Bacon, Langley Field wind tunnel apparatus, NACA TN-81, January, 1922, pp. 11.

376. Walter S. Diehl, Notes on the construction and testing of model airplanes, NACA TN-82, January, 1922, pp. 9.

377. A. Betz, The theory of the screw propeller, NACA TN-83, February, 1922, pp. 14, Die Naturwissenschaften. No.18, 1921.

378. C. Wieselsberger, New data on the laws of fluid resistance, NACA TN-84, March, 1922, pp. 16, Physikalische Zeitschrift. Vol. 22, pp. 321-328, 1921.

379. Aeronautics Staff, Construction Department, Navy Yard, Washington, D.C., Air force and three moments for F-5-L Seaplane, NACA TN-85, February, 1922, pp. 25, Slightly revised form of unpublished Report No. 118, Construction Department, Navy Yard, Washington, D.C. .

380. W. S. Diehl, Surface area coefficients for airship envelopes, NACA TN-86, February, 1922, pp. 8, Originally prepared as Aircraft Technical Note No. 199, Bureau of Construction and Repair, Navy Dept. .

381. Aeronautics Staff, Construction Department, Navy Yard, Washington, D. C., Hydrostatic tests of an airship model, NACA TN-87, March, 1922, pp. 20, Slightly revised form of the unpublished report #22, Construction Department, Navy Yard, Washington, D.C. .

382. H. S. McDewell, Tests of oil scraper piston ring and piston fitted with oil drain holes, NACA TN-88, August, 1922, pp. 13.

383. Max M. Munk, The choice of the speed of an airship, NACA TN-89, March, 1922, pp. 10.

384. H. N. Eaton and G. H. Keulegan, Syphon diaphragms : a method for predicting their performance for purposes of instrument design, NACA TN-90, January, 1922, pp. 18.

385. Max M. Munk, Notes on propeller design I : the energy losses of the propeller, NACA TN-91, April, 1922, pp. 11.

386. Max M. Munk, Full scale determination of the lift and drag of a seaplane, NACA TN-92, April, 1922, pp. 7.

387. Stanwood S. Sparrow , The background of detonation, NACA TN-93, April, 1922, pp. 21.

388. Max M. Munk, Notes on propeller design II: The Distribution of Thrust Over a Propeller, NACA TN-94, April, 1922, pp. 10.

389. Max M. Munk, Notes on propeller design III, NACA TN-95, May, 1922, pp. 11.

390. Max M. Munk, Notes on propeller design IV : general proceeding in design, NACA TN-96, May, 1922, pp. 11.

391. F. H. Norton, N.A.C.A. control position recorder, NACA TN-97, January, 1922, pp. 5.

392. Charles J. McCarthy, Notes on the design of latticed columns subject to lateral loads, NACA TN-98, May, 1922, pp. 22.

393. Walter S. Diehl, Notes on the standard atmosphere, NACA TN-99, June, 1922, pp. 10.

394. Diehl, Walter S , The variation of aerofoil lift and drag coefficients with changes in size and speed , NACA Report 111 , 1923 , pp. 10 .

395. Norton, F H Allen, E T , Control in circling flight , NACA Report 112 , 1923 , pp. 22 .

396. Durand, W F Lesley, E P , Tests on air propellers in yaw , NACA Report 113 , 1923 , pp. 37 .

397. Munk, Max M , Some new aerodynamical relations , NACA Report 114 , 1923 , pp. 13 .

398. Burgess, C P , Bending moments, envelope, and cable stresses in non-rigid airships , NACA Report 115 , 1923 , pp. 13 .

399. Prandtl, L (Gottingen Univ. (Germany, F. R.)) , Applications of modern hydrodynamics to aeronautics , NACA Report 116 , 1923 , pp. 58 .

400. Munk, Max M , The drag of Zeppelin airships , NACA Report 117 , 1923 , pp. 11 .

401. Norton, F H , The pressure distribution over the horizontal tail surfaces of an airplane I , NACA Report 118 , 1923 , pp. 86 .

402. Norton, F H Bacon, D L , The pressure distribution over the horizontal tail surfaces of an airplane II , NACA Report 119 , 1923 , pp. 41 .

403. Norton, F H , Practical stability and controllability of airplanes , NACA Report 120 , 1923 , pp. 16 .

404. Munk, Max M , The minimum induced drag of aerofoils , NACA Report 121 , 1923 , pp. 18 .

405. Bacon, D L , Preliminary experiments to determine scale and slip-stream effects on a 1/24th size model of a JN4H biplane , NACA Report 122 , 1923 , pp. 12 .

406. Silsbee, F B , Simplified theory of the magneto , NACA Report 123 , 1923 , pp. 17 .

407. (Author(s) Not Available) , Aerodynamic characteristics of aerofoils II : continuation of report no. 93 , NACA Report 124 , 1923 , pp. 54 .

408. Hersey, Mayo D , Aeronautic instruments. Section I : general classification of instruments and problems including bibliography , NACA Report 125 , 1923 , pp. 24 .

409. Mears, A H Henrickson, H B Brombacher, W G , Aeronautic instruments. Section II : altitude instruments , NACA Report 126 , 1923 , pp. 61 .

410. Hunt, Franklin L Stearns, H O , Aeronautic instruments. Section III : aircraft speed instruments , NACA Report 127 , 1923 , pp. 33 .

411. Franklin, W S Stillman, M H Sanford, R L Warner, John A C Sylvander, R C Rounds, E W , Aeronautic instruments. Section IV : direction instruments , NACA Report 128 , 1923 , pp. 69 .

412. Washburn, G E Sylvander, R C Mueller, E F Wilhelm, R M Eaton, H N Warner, John A C, Aeronautic instruments. Section V : power plant instruments, NACA Report 129, 1923 , pp. 72.

413. Hunt, F L , Aeronautic instruments. Section VI : oxygen instruments , NACA Report 130 , 1923 , pp. 22 .

414. Eaton, H N , Aeronautic instruments. Section VI : aerial navigation and navigating instruments , NACA Report 131 , 1923 , pp. 42 .

415. Hunt, F L , Aeronautic instruments. Section VIII : recent developments and outstanding problems , NACA Report 132 , 1923 , pp. 12 .

416. Munk, Max M , The tail plane , NACA Report 133 , 1923 , pp. 35 .

417. Sparrow, S W , Performance of Maybach 300-horsepower airplane engine , NACA Report 134 , 1923 , pp. 10 .

418. Sparrow, S W , Performance of B. M. W. 185-horsepower airplane engine , NACA Report 135 , 1923 , pp. 10 .

419. Chu, Lynn , Damping coefficients due to tail surfaces in aircraft , NACA Report 136 , 1923 , pp. 14 .

420. Zahm, A F Smith, R H Hill, G C , Point drag and total drag of navy struts no. 1 modified , NACA Report 137 , 1923 , pp. 15 .

421. Zahm, A F Smith, R H Hill, G C , The drag of C class airship hull with varying length of cylindric midships , NACA Report 138 , 1923 , pp. 9 .

422. Zahm, A F , Influence of model surface and air flow texture on resistance of aerodynamic bodies , NACA Report 139 , 1923 , pp. 6 .

423. Zahm, A F Bear, R M Hill, G C , Lift and drag effects of wing-tip rake , NACA Report 140 , 1923 , pp. 9 .

424. Durand, W F Lesley, E P , Experimental research on air propellers V , NACA Report 141 , 1923 , pp. 75 .

425. Munk, Max M , General theory of thin wing sections , NACA Report 142 , 1923 , pp. 19 .

426. Hoff, Wilhelm , Analysis of stresses in German airplanes , NACA Report 143 , 1923 , pp. 57 .

427. Bateman, H , The decay of a simple eddy , NACA Report 144 , 1923 , pp. 7 .

428. Heim, A L Knauss, A C Seutter, Louis , Internal stresses in laminated construction , NACA Report 145 , 1923 , pp. 58 .

429. Zahm, A F , The six-component wind balance , NACA Report 146 , 1923 , pp. 13 .

430. Gregg, Willis Ray , Standard atmosphere , NACA Report 147 , 1923 , pp. 13 .

431. Norton, F H Brown, W G , The pressure distribution over the horizontal tail surfaces of an airplane III , NACA Report 148 , 1923 , pp. 28 .

432. Norton, F H Brown, W G , Pressure distribution over the rudder and fin of an airplane in flight , NACA Report 149 , 1923 , pp. 10 .

433. Norton, F H Bacon, D L , Pressure distribution over thick airfoils - model tests , NACA Report 150 , 1923 , pp. 23 .

434. Munk, Max M , General biplane theory , NACA Report 151 , 1923 , pp. 43 .

435. Norton, F H Bacon, D L , Aerodynamic properties of thick airfoils II , NACA Report 152 , 1923 , pp. 15 .

436. Norton, F H Brown, W G , Controllability and maneuverability of airplanes , NACA Report 153 , 1923 , pp. 18 .

437. Carroll, T , A study of taking off and landing an airplane , NACA Report 154 , 1923 , pp. 8 .

438. Reid, J E , A study of airplane maneuvers with special reference to angular velocities , NACA Report 155 , 1923 , pp. 10 .

439. Eaton, H N Macnair, W A , The altitude effect on air speed indicators II , NACA Report 156 , 1923 , pp. 42 .

440. Harper, R R Brown, W B , Mathematical equations for heat conduction in the fins of air-cooled engines , NACA Report 158 , 1923 , pp. 32 .

441. (Author(s) Not Available) , List of commercial aircraft belonging to the various French air navigation companies as of August 31st, 1922 , NACA TM-177 , 1923 , pp. 3 .

442. Warner, Edward P (Massachusetts Inst. of Tech) , Airplane speeds of the future , NACA TM-178 , 1923 , pp. 7 .

443. Constantin, Louis , New lateral stabilizing device for airplanes , NACA TM-179 , 1923 , pp. 6 .

444. Delanghe, C , Marcel Besson wing sections , NACA TM-180 , 1923 , pp. 15 .

445. Hoff, Wilhelm , Soaring flight and the Rhon contests , NACA TM-181 , 1923 , pp. 13 .

446. Ziembinski, S (L. Renault Automobile Company) , Possible improvements in gasoline engines , NACA TM-182 , 1923 , pp. 13 .

447. Warner, Edward P , Soaring without rising currents , NACA TM-183 , February 1923 , pp. 6 .

448. (Author(s) Not Available) , Rules and regulations of the 1922 Rhon Soaring Flight Contest , NACA TM-184 , February 1923 , pp. 23 .

449. Max M. Munk, The determination of the angles of attack of zero lift and of zero moment, based on Munk's integrals, NACA TN-122, January, 1923, pp. 12.

450. John A. C. Warner, An optical altitude indicator for night landing, NACA TN-123, January, 1923, pp. 9.

451. Max M. Munk and Gunther Cairo, Downwash of airplane wings, NACA TN-124, January, 1923, pp. 13, Technische Berichte,. Vol. III, Part I.

452. K. Kutzbach, Results of experimental flights at high altitudes with Daimler, Benz and Maybach engines to determine mixture formation and heat utilization of fuel, NACA TN-125, January, 1923, pp. 14, From Technische Berichte,. Volume III, Part I.

453. Werner Heisenberg, Absolute dimensions of Karman vortex motion, NACA TN-126, January, 1923, pp. 12, Physikalis Zeitschrift. Pp. 363-366, September 15, 1922.

454. H. Dietsius, The air propeller, its strength and correct shape, NACA TN-127, February, 1923, pp. 14, Technische Berichte,. Volume III, Part 2.

455. Max M. Munk and Wilhelm Molthan, Tests on an airplane model, AEG D I of the Allgemeine Elektricitats Gesellschft, A-G, airplane construction section conducted at the Gottingen Model Testing Laboratory for Aerodynamics, NACA TN-128, February, 1923, pp. 30, Technische Berichte, Volume III, Part 2.

456. L. B. Tuckerman, Notes on aerodynamic forces on airship hulls, NACA TN-129, March, 1923, pp. 34.

457. David L. Bacon, Model supports and their effects on the results of wind tunnel tests, NACA TN-130, February, 1923, pp. 14.

458. W. Achenbach, Variation in the number of revolutions of air propellers, NACA TN-131, March, 1923, pp. 8, Technische Berichte. Vol. 3, Part 2, 1918.

459. E. Everling, The increase in dimensions of airplanes - weight, area, and loading of wings, NACA TN-132, March, 1923, pp. 30, Technische Berichte. Vol. 3, Part 2, 1918.

460. A. Riedler, Disturbing effect of free hydrogen on fuel combustion in internal combustion engines, NACA TN-133, March, 1923, pp. 6, Technische Berichte,. Vol. 3, No. 2.

461. William Knight, L. Prandtl, von Karman, G. Costanzi, W. Margoulis, R. Verduzio, R. Katzmayr, E. B. Wolff and A. F. Zahm, Standardization and aerodynamics, NACA TN-134, March, 1923, pp. 99.

462. W. G. Brown, Measuring an airplane's true speed in flight testing, NACA TN-135, April, 1923, pp. 15.

463. P. Meyer, Is there any available source of heat energy lighter than gasoline?, NACA TN-136, pp. 7, Technische Berichte. Vol. 3, No. 4, pp. 74-75, 1918.

464. A. Proell, Experiments with fabrics for covering airplane wings, NACA TN-137, April, 1923, pp. 52, Technische Berichte. Vol. 3, No. 3, pp. 57-73, 1918.

465. Richard Baumann, Determination of the value of wood for structural purposes, NACA TN-138, April, 1923, pp. 15, Technische Berichte. Vol. 3, No. 4, pp. 97-100, 1918.

466. L. Ballenstedt, Influence of ribs on strength of spars, NACA TN-139, May, 1923, pp. 24, Technische Berichte. Vol. 3, No. 4, pp. 100-107, 1918.

467. W. Watters Pagon, General theory of stresses in rigid airship, ZR-1, NACA TN-140, May, 1923, pp. 47.

468. C. Wiesselsberger, Experiments with a built-in or fuselage radiator, NACA TN-141, May, 1923, pp. 15, Technische Berichte. Vol. 3, No. 4, 1918.

469. K. Kutzbach, Adaptation of aeronautical engines to high altitude flying, NACA TN-142, May, 1923, pp. 46, Technische Berichte. Vol. 3, No. 4, pp. 112-124, 1918.

470. O. Blumenthal, Calculations for a single-strut biplane with reference to the tensions in the wing bracing, NACA TN-143, June, 1923, pp. 32, Technische Berichte. Vol. 3, No. 5, pp. 152-160, 1918.

471. W. S. Diehl, Notes on the design of ailerons, NACA TN-144, June, 1923, pp. 13.

472. Kurt Bennewitz, Aeronautical instruments, NACA TN-145, June, 1923, pp. 16, Technische Berichte. Vol. 3, No. 5, pp. 160-165, 1918.

473. Edward P. Warner, The faring of airfoil contours, NACA TN-146, June, 1923, pp. 12.

474. V. Heidelberg and A. Hoelzel, Speed measurements made by Division A of the airplane director, NACA TN-147, July, 1923, pp. 21, Technische Berichte. Vol. 3, No. 5, pp. 174-179, 1918.

475. K. Kutzbach, The flexible mounting of an airplane engine, NACA TN-148, July, 1923, pp. 7, Technische Berichte. Vol. 3, No. 6, pp. 205-207, 1918; Conference of Airplane Designers (August 23, 1918: Adlershof, Germany) .

476. Robertson Matthews, Influences in the selection of a cycle for small high speed engines running on solid or airless injection with compression ignition, NACA TN-149, July, 1923, pp. 15.

477. H. J. E. Reid, Notes on the N.A.C.A. control force recorder, NACA TN-150, July, 1923, pp. 7.

478. T. A. Schwamb and C. S. Smith, Tests on built-up airplane struts having initial tension in outside fibers, NACA TN-151, August, 1923, pp. 13.

479. George Koenig, Thrust and power required in climbing, NACA TN-152, August, 1923, pp. 26, Technishe Berichte. Vol. III, No. 5, pp. 166-174, 1918.

480. Student, Flight characteristics, NACA TN-153, August, 1923, pp. 9.

481. K. M. Ronan, An instrument for recording the position of airplane control surfaces, NACA TN-154, August, 1923, pp. 6.

482. (Author(s) Not Available), Regulations governing the issuance of certificates of airworthiness of aircraft in France, NACA TN-155, August, 1923, pp. 48, Bulletin de la Navigation Aerienne, pp. 611-624, March 1923.

483. H. J. E. Reid, The N.A.C.A. recording tachometer and angle of attack recorder, NACA TN-156, August, 1923, pp. 5.

484. W. F. Joachim, An impulse electric motor for driving recording instruments, NACA TN-157, September, 1923, pp. 18, Journal of the Franklin Institute. pp. 130-34, August 1923.

485. Max M. Munks, Analysis of Dr. Schaffran's propeller model tests, NACA TN-158, September, 1923, pp. 12.

486. Robertson Matthews and A. W. Gardiner, The time lag and interval of discharge with a spring actuated fuel injection pump, NACA TN-159, September, 1923, pp. 18.

487. P. Eydam, Fittings and other structural parts of airplanes, NACA TN-160, October, 1923, pp. 18, Technische Berichte. Vol. III, No. 6, pp. 198-205, 1918.

488. James M. Shoemaker and John G. Lee, Preliminary study of the damping factor in roll, NACA TN-161, October, 1923, pp. 24.

489. Stanwood S. Sparrow, The arithmetic of distribution in multi-cylinder engines, NACA TN-162, October, 1923, pp. 25.

490. Adolph Rohrbach and Edwin Lupberger, Graphic method for calculating the speed and climbing ability of airplanes, NACA TN-163, October, 1923, pp. 11, Technische Berichte, Vol. III, No. 6, pp. 218-221, 1918.

491. Max M. Munk, General theory of windmills, NACA TN-164, October, 1923, pp. 8.

492. H. F. Rettew and G. Thumin, Tests on riveted joints in sheet duralumin, NACA TN-165, November, 1923, pp. 8.

493. H. Blasius, Determination of climbing ability, NACA TN-166, February, 1923, pp. 19, Technische Berichte, Volume III, No. 6, pp. 193-198, 1918.

494. Edward P. Warner, Wind tunnel tests of five strut sections in yaw, NACA TN-167, November, 1923, pp. 14.

495. A. Proll, Experiments with fabrics for covering airplane wings, to determine effect of method of installation, NACA TN-168, December, 1923, pp. 50, Technische Berichte, Volume III, No. 6, pp. 234-246.

496. C. Weiselsberger, Air resistance measurements on actual airplane parts, NACA TN-169, November, 1923, pp. 18, Technische Berichte,. Volume III, No. 7, pp. 275-279, 1918.

497. Max M. Munk, Reduction in efficiency of propellers due to slipstream, NACA TN-170, December, 1923, pp. 7, Technische Berichte,. Vol. III, No. 7, pp. 315-316, 1918.

498. Viktor Lewe, Compressive Strength of Tapered Airplane Struts, NACA TN-171, December, 1923, pp. 9, Technische Berichte, Volume III, No. 7.

499. James B. Ford, The Nichols wing cutting equipment, NACA TN-172, December, 1923, pp. 9.

500. Buckingham, Edgar , Jet propulsion for airplanes , NACA Report 159 , 1924 , pp. 18 .

501. Weaver, E R Pickering, S F , An airship slide rule , NACA Report 160 , 1924 , pp. 11 .

502. Bacon, David L , The distribution of lift over wing tips and ailerons , NACA Report 161 , 1924 , pp. 24 .

503. Norton, F H Brown, W G , Complete study of longitudinal oscillation of a VE-7 airplane , NACA Report 162 , 1924 , pp. 5 .

504. Norton, F H Carroll, T , The vertical, longitudinal, and lateral accelerations experienced by an S. E. 5a airplane while maneuvering , NACA Report 163 , 1924 , pp. 5 .

505. Bateman, H , The inertial coefficients of an airship in a frictionless fluid , NACA Report 164 , 1924 , pp. 16 .

506. Hersey, M D , Diaphragms for aeronautic instruments , NACA Report 165 , 1924 , pp. 32 .

507. Zahm, A F , The aerodynamic plane table , NACA Report 166 , 1924 , pp. 11 .

508. Norton, F H , The measurement of the damping in roll on a JN4h in flight , NACA Report 167 , 1924 , pp. 6 .

509. Diehl, Walter S , The general efficiency curve for air propellers , NACA Report 168 , 1924 , pp. 11 .

510. Hoot, H I , The effect of airfoil thickness and plan form on lateral control , NACA Report 169 , 1924 , pp. 11 .

511. Norton, F H , A study of longitudinal dynamic stability in flight , NACA Report 170 , 1924 , pp. 9 .

512. Diehl, Walter S , Engine performance and the determination of absolute ceiling , NACA Report 171 , 1924 , pp. 12 .

513. Wilson, Edwin B , Dynamic stability as affected by the longitudinal moment of inertia , NACA Report 172 , 1924 , pp. 8 .

514. Diehl, Walter S , Reliable formulae for estimating airplane performance and the effects of changes in weight, wing area, or power , NACA Report 173 , 1924 , pp. 22 .

515. Norton, F H , The small angular oscillations of airplanes in steady flight , NACA Report 174 , 1924 , pp. 8 .

516. Munk, Max M , Analysis of W. F. Durand's and E. P. Lesley's propeller tests , NACA Report 175 , 1924 , pp. 14 .

517. Stevens, F W , A constant pressure bomb , NACA Report 176 , 1924 , pp. 8 .

518. Lesley, E P Woods, B M , The effect of slipstream obstructions on air propellers , NACA Report 177 , 1924 , pp. 23 .

519. Diehl, Walter S , Relative efficiency of direct and geared drive propellers , NACA Report 178 , 1924 , pp. 9 .

520. Silsbee, F B , The effect of electrode temperature on the sparking voltage of short spark gaps , NACA Report 179 , 1924 , pp. 10 .

521. Newlin, J A Trayer, G W , The influence of the form of a wooden beam on its stiffness and strength I : deflection of beams with special reference to shear deformations , NACA Report 180 , 1924 , pp. 19 .

522. Newlin, J A Trayer, G W , The influence of the form of a wooden beam on its stiffness and strength II : form factors of beams subjected to transverse loading only , NACA Report 181 , 1924 , pp. 19 .

523. (Author(s) Not Available) , Aerodynamic characteristics of airfoils III : continuation of reports nos. 93 and 124 , NACA Report 182 , 1924 , pp. 43 .

524. Munk, Max M , The analysis of free flight propeller tests and its application to design , NACA Report 183 , 1924 , pp. 12 .

525. Munk, Max M , The aerodynamic forces on airship hulls , NACA Report 184 , 1924 , pp. 18 .

526. Bacon, D L Reid, E G , The resistance of spheres in wind tunnels and in air , NACA Report 185 , 1924 , pp. 19 .

527. H. Von Sanden, Significance of the expression C(sub L)(exp 3)/C(sub D)(exp 2), NACA TN-173, January, 1924, pp. 5, Technische Berichte. Volume III, No.7.

528. Heinrich Kann, Airplanes in horizontal curvilinear flight, NACA TN-174, January, 1924, pp. 26, Technische Berichte. Volume III, No. 7, pp. 260-267 (1918).

529. Wilhelm Molthan, Tests on a model of the D.F.W. airplane T-29 of the Deutsche Flugzeug derke (German airplane works), NACA TN-175, January, 1924, pp. 24, Technische Berichte,. Volume III, No. 7, pp. 253-260.

530. E. Salkowski, Curvilinear flight of airplanes, NACA TN-176, January, 1924, pp. 25, Technische Berichte,. Vol. III No. 7, pp. 267-274.

531. Max M. Munk, Note on the relative effect of the dihedral and the sweep back of airplane wings, NACA TN-177, January, 1924, pp. 5.

532. C. Wieselsberger, Triplane tests, NACA TN-178, February, 1924, pp. 21, Technische Berichte,. Volume III, No. 7, pp. 302-308 .

533. H. Hamburger, Practical method for balancing airplane moments, NACA TN-179, February, 1924, pp. 35, Technische Berichte,. Volume III, No. 7, pp. 292-302.

534. Robertson Mathews and Arthur W. Gardiner, Increasing the compression pressure in an engine by using a long intake pipe, NACA TN-180, February, 1924, pp. 10.

535. H. Von Sanden, Interference of multiplane wings having elliptical lift distribution, NACA TN-181, February, 1924, pp. 4, Technische Berichte,. Volume III, No. 7, pp. 291-2,1918 (Communication from the Bavarian Airplane Works.).

536. L. Prandtl, Induced drag of multiplanes, NACA TN-182, February, 1924, pp. 24, Technische Berichte,. Volume III, No. 7, pp. 309-315.

537. W. S. Diehl, Static stability of seaplane floats and hulls, NACA TN-183, March, 1924, pp. 15.

538. Max M. Munk, Note on vortices on their relation to the lift of airfoils, NACA TN-184, March, 1924, pp. 16.

539. Robertson Matthews and Arthur W. Gardiner, The influence of inlet air temperature and jacket water temperature on initiating combustion in a high speed compression ignition engine, NACA TN-185, March, 1924, pp. 11.

540. A. Proll, Testing airplane fabrics, NACA TN-186, April, 1924, pp. 34, Technische Berichte,. Volume III, No. 7, pp. 282-291.

541. Max M. Munk, The induction factor used for computing the rolling moment due to the ailerons, NACA TN-187, April, 1924, pp. 6.

542. R. Fuchs and L. Hopf, Longitudinal oscillation of an airplane Part I : problem and method, NACA TN-188, April, 1924, pp. 46, Technische Berichte. Vol. III, No. 7.

543. N. S. Otey, Torsional strength of nickel steel and duralumin tubing as affected by the ratio of diameter to gage thickness, NACA TN-189, April, 1924, pp. 22.

544. Max M. Munk and Edward P. Warner, Comparing the performance of geometrically similar airplanes, NACA TN-190, April, 1924, pp. 28.

545. W. L. Lepage and J. T. Nichols, The effect of wind tunnel turbulence upon the forces measured on models, NACA TN-191, May, 1924, pp. 14.

546. Max M. Munk, Note on the pressure distribution over the hull of elongated airships with circular cross section, NACA TN-192, May, 1924, pp. 5.

547. Paul B. King and Thomas Carroll, High altitude flying, NACA TN-193, May, 1924, pp. 8.

548. C. P. Burgess, A method of determining the dimensions and horsepower of an airship for any given performance, NACA TN-194, May, 1924, pp. 18.

549. Max M. Munk, On the distribution of lift along the span of an airfoil with displaced ailerons, NACA TN-195, June, 1924, pp. 9.

550. Max M. Munk, Remarks on the pressure distribution over the surface of an ellipsoid, moving translationally through a perfect fluid, NACA TN-196, June, 1924, pp. 9.

551. Max M. Munk, Some tables of the factor of apparent additional mass, NACA TN-197, July, 1924, pp. 8.

552. F. W. Caldwell and N. S. Clay, Micarta propellers I : materials, NACA TN-198, August, 1924, pp. 10.

553. F. W. Caldwell and N. S. Clay, Micarta Propellers II : method of construction, NACA TN-199, August, 1924, pp. 14.

554. F. W. Caldwell and N. S. Clay, Micarta propellers III : general description of the design, NACA TN-200, August, 1924, pp. 17.

555. F. W. Caldwell and N. S. Clay, Micarta propellers IV : technical methods of design, NACA TN 201, Sep 1924, pp. 18.

556. Toussaint, Kerneis and Girault, Experimental investigation of the effect of an oscillating airstream (Katzmayr effect) on the characteristics of airfoils, NACA TN 202, Sep 1924, pp. 54.

557. John E. Younger, A short method of calculating torsional stresses in an airplane fuselage, NACA TN 203, Sep 1924, pp. 28.

558. Frank Rizzo, A study of static stability of airships, NACA TN 204, Sep 1924, pp. 77.

559. Val Cronstedt, The logarithmic polar curve-it's theory and application to the predetermination of airplane performance, NACA TN 205, Oct 1924, pp. 35.

560. Charles Ward Hall, Structural weight of aircraft as affected by the system of design, NACA TN 206, Nov 1924, pp. 25.

561. Max M. Munk, The simplifying assumptions, reducing the strict application of classical hydrodynamics to practical aeronautical computations, NACA TN 207, Nov 1924, pp. 17.

562. John G. Lee, Tests on duralumin columns for aircraft construction, NACA TN 208, Nov 1924, pp. 9.

563. Elliott G. Reid, Tests of rotating cylinders, NACA TN 209, Dec 1924, pp. 33.

564. R. N. DuBois, The testing of aviation engines, NACA TN 210, Dec 1924, pp. 13.

565. Diehl, Walter S , The application of propeller test data to design and performance calculations , NACA Report 186 , 1925 , pp. 11 .

566. Randolph, D W Silsbee, F B , Flame speed and spark intensity , NACA Report 187 , 1925 , pp. 14 .

567. Newlin, J A Trayer, G W , The influence of the form of a wooden beam on its stiffness and strength III : stresses in wood members subjected to combined column and beam action , NACA Report 188 , 1925 , pp. 13 .

568. Sparrow, Stanwood W , Relation of fuel-air ratio to engine performance , NACA Report 189 , 1925 , pp. 16 .

569. Sparrow, Stanwood W , Correcting horsepower measurements to a standard temperature , NACA Report 190 , 1925 , pp. 16 .

570. Munk, Max M , Elements of the wing section theory and of the wing theory , NACA Report 191 , 1925 , pp. 25 .

571. Diehl, Walter S , Charts for graphical estimation of airplane performance , NACA Report 192 , 1925 , pp. 12 .

572. Norton, F H , Pressure distribution over the wings of an MB-3 airplane in flight , NACA Report 193 , 1925 , pp. 19 .

573. Crowley, J W , Jr , Investigation of slipstream velocity , NACA Report 194 , 1925 , pp. 7 .

574. Reid, Elliott G , Standardization tests of NACA no. 1 wind tunnel , NACA Report 195 , 1925 , pp. 28 .

575. Durand, William F Lesley, E P , Comparison of model propeller tests with airfoil theory , NACA Report 196 , 1925 , pp. 26 .

576. Munk, Max M , A new relation between the induced yawing moment and the rolling moment of an airfoil in straight motion , NACA Report 197 , 1925 , pp. 7 .

577. Beij, K Hilding , Astronomical methods in aerial navigation , NACA Report 198 , 1925 , pp. 50 .

578. Reid, Elliott G , Interference tests on NACA pitot tubes , NACA Report 199 , 1925 , pp. 7 .

579. Scarborough, James B , Some problems on the lift and rolling moment of airplane wings , NACA Report 200 , 1925 , pp. 16 .

580. Reid, Elliott G , The effects of shielding the tips of airfoils , NACA Report 201 , 1925 , pp. 9 .

581. Silsbee, F B , The sparking voltage of spark plugs , NACA Report 202 , 1925 , pp. 16 .

582. Doolittle, J H , Accelerations in flight , NACA Report 203 , 1925 , pp. 18 .

583. Burgess, C P , Forces on airships in gusts , NACA Report 204 , 1925 , pp. 8 .

584. Sparrow, Stanwood W , The effect of changes in compression ratio upon engine performance , NACA Report 205 , 1925 , pp. 22 .

585. Eaton, H N Buckingham, C T , Nonmetallic diaphragms for instruments , NACA Report 206 , 1925 , pp. 44 .

586. Briggs, L J Hull, G F Dryden, H L , Aerodynamic characteristics of airfoils at high speeds , NACA Report 207 , 1925 , pp. 17 .

587. Crowley, J W , Jr Freeman, R G , Determination of turning characteristics of an airship by means of a camera obscura , NACA Report 208 , 1925 , pp. 8 .

588. Crowley, J W , Jr Ronan, K M , Characteristics of a single float seaplane during take-off , NACA Report 209 , 1925 , pp. 10 .

589. E. E. Wilson, Aircraft engine design, NACA TN 211, Jan 1925, pp. 32.

590. Fred E. Weick, Simplified propeller design for low-powered airplanes, NACA TN 212, Jan 1925, pp. 17.

591. Robertson Mathews, Discharge characteristics of a high speed fuel injection system, NACA TN 213, Feb 1925, pp. 35.

592. Shatswell Ober, Note on the Katzmayr effect on airfoil drag, NACA TN 214, Feb 1925, pp. 14.

593. Edward P. Warner, The calculation of wing float displacement in single-float seaplanes, NACA TN 215, Mar 1925, pp. 6.

594. Max M. Munk, The velocity distribution caused by an airplane at the points of a vertical plane containing the span, NACA TN 216, Mar 1925, pp. 9.

595. Max M. Munk, Note on the air forces on a wing caused by pitching, NACA TN 217, Mar 1925, pp. 7.

596. Edward P. Warner, The estimation of airplane performance from wind tunnel tests on conventional airplane models, NACA TN 218, May 1925, pp. 19.

597. George J. Higgins, The comparison of well-known and new wing sections tested in the variable density wind tunnel, NACA TN 219, May 1925, pp. 48.

598. Edward P. Warner, The drift of an aircraft guided towards it's destination by directional receiving of radio signals transmitted from the ground, NACA TN 220, Jun 1925, pp. 7.

599. Max M. Munk, Model tests on the economy and effectiveness of helicopter propellers, NACA TN 221, Jan 1925, pp. 26.

600. R. G. Freeman, Air flow investigation for location of angle of attack head on a JN4h airplane, NACA TN 222, Aug 1925, pp. 19.

601. Green, Maurice W , Determination of the lift and drag characteristics of an airplane in flight , NACA TN-223 , August 1925 , pp. 25 .

602. Fairbanks, Karl J , Pressure distribution on the nose of an airship in circling flight , NACA TN-224 , August 1925 , pp. 6 .

603. Fred E. Weick, Propeller scale effect and body interference, NACA TN 225, Sep 1925, pp. 11.

604. Edward P. Warner, Wind tunnel tests of fuselages and windshields, NACA TN 226, Sep 1925, pp. 10.

605. Max M. Munk, Determination and classification of the aerodynamic properties of wing sections, NACA TN 227, Sep 1925, pp. 23.

606. Frank Rizzo, The Flettner rotor ship in the light of the Kutta-Joukowski theory and of experimental results, NACA TN 228, Oct 1925, pp. 28.

607. J. E. Reid and Otto E. Kirchner, An altitude chamber for the study and calibration of aeronautical instruments, NACA TN 229, Nov 1925, pp. 19.

608. Tuckerman, L B , Inertia factors of ellipsoids for use in airship design , NACA Report 210 , 1926 , pp. 7 .

609. Tuckerman, L B , Water model tests for semirigid airships , NACA Report 211 , 1926 , pp. 14 .

610. Zahm, A F , Stability equations for airship hulls , NACA Report 212 , 1926 , pp. 4 .

611. Ames, Joseph S , A resume of the advances in theoretical aeronautics made by Max M. Munk , NACA Report 213 , 1926 , pp. 46 .

612. Warner, Edward P , Wing spar stress charts and wing truss proportions , NACA Report 214 , 1926 , pp. 17 .

613. Zahm, A F Smith, R H Louden, F A , Air forces, moments and damping on model of fleet airship Shenandoah , NACA Report 215 , 1926 , pp. 32 .

614. Diehl, Walter S Lesley, E P , The reduction of airplane flight test data to standard atmosphere conditions , NACA Report 216 , 1926 , pp. 18 .

615. Munk, Max M , Preliminary wing model tests in the variable density wind tunnel of the National Advisory Committee for Aeronautics , NACA Report 217 , 1926 , pp. 15 .

616. Diehl, Walter S , Standard atmosphere - tables and data , NACA Report 218 , 1926 , pp. 24 .

617. Taylor, D W , Some aspects of the comparison of model and full-scale tests , NACA Report 219 , 1926 , pp. 23 .

618. Durand, W F Lesley, E P , Comparison of tests on air propellers in flight with wind tunnel model tests on similar forms , NACA Report 220 , 1926 , pp. 29 .

619. Munk, Max M Miller, Elton W , Model tests with a systematic series of 27 wing sections at full Reynolds number , NACA Report 221 , 1926 , pp. 18 .

620. Miller, Harold E Beardsley, Edward G , Spray penetration with a simple fuel injection nozzle , NACA Report 222 , 1926 , pp. 9 .

621. Crowley, J W , Jr Defrance, S J , Pressure distribution on the C-7 airship , NACA Report 223 , 1926 , pp. 41 .

622. Joachim, W F , An investigation of the coefficient of discharge of liquids through small round orifices , NACA Report 224 , 1926 , pp. 10 .

623. Munk, Max M (Bureau Of Aeronautics (Navy), Washington, DC) Diehl, Walter S , The air forces on a model of the sperry messenger airplane without propeller , NACA Report 225 , 1926 , pp. 12 .

624. Crowley, J W Ronan, K M , Characteristics of a boat type seaplane during take-off , NACA Report 226 , 1926 , pp. 11 .

625. Munk, Max M Miller, Elton W , The variable density wind tunnel of the National Advisory Committee for Aeronautics , NACA Report 227 , 1926 , pp. 18 .

626. Diehl, Walter S , A study of the effect of a diving start on airplane speed , NACA Report 228 , 1926 , pp. 9 .

627. Reid, Elliott G , Pressure distribution over thick tapered airfoils, NACA 81, USA 27c modified and USA 35 , NACA Report 229 , 1926 , pp. 18 .

628. Ware, Marsden , Description and laboratory tests of a Roots type aircraft engine supercharger , NACA Report 230 , 1926 , pp. 13 .

629. Dryden, H L Heald, R H , Investigation of turbulence in wind tunnels by a study of the flow about cylinders , NACA Report 231 , 1926 , pp. 17 .

630. Sparrow, Stanwood W , Fuels for high-compression engines , NACA Report 232 , 1926 , pp. 20 .

631. Max M. Munk, The spacing of orifices for the measure of pressure distributions, NACA TN 230, Jan 1926, pp. 52.

632. R. A. Castleman, The resistance to the steady motion of small spheres in fluids, NACA TN 231, Feb 1926, pp. 18.

633. Stevens Bromley and William H. Robison, Jr., Lateral failure of spars, NACA TN 232, Mar 1926, pp. 26.

634. W. F. Joachim, An investigation of the characteristics of steel diaphragms for automatic fuel-injection valves, NACA TN 234, Apr 1926, pp. 37.

635. Fred E. Weick, Propeller design I : practical application of the blade element theory, NACA TN 235, May 1926, pp. 22.

636. Fred E. Weick, Propeller design: extension of test data on a family of model propellers by means of the modified blade element theory II, NACA TN 236, May 1926, pp. 14.

637. Fred E. Weick, Propeller design - a simple system based on model propeller test data III, NACA TN 237, May 1926, pp. 30.

638. Fred E. Weick, Propeller design IV : a simple method for determining the strength of propellers, NACA TN 238, Jun 1926, pp. 17.

639. E. E. Wilson, Steam power plants in aircraft, NACA TN 239, Jun 1926, pp. 34.

640. George J. Higgins, The NACA CYH airfoil section, NACA TN 240, Jun 1926, pp. 8.

641. W. F. Joachin and Harold W. Case, Tests of several bearing materials lubricated by gasoline, NACA TN 241, Jul 1926, pp. 23.

642. Kemper, Carlton , Improving the performance of a compression ignition engine by directing flow of inlet air , NACA TN-242 , July 1926 , pp. 14 .

643. George J. Higgins, The characteristics of the NACA M-12 airfoil section, NACA TN 243, Aug 1926, pp. 8.

644. Fred E. Weick, Navy propeller section characteristics as used in propeller design, NACA TN 244, Aug 1926, pp. 13.

645. E. P. Lesley, Report on tests of metal model propellers in combination with a model VE-7 airplane, NACA TN 245, Aug 1926, pp. 37.

646. E. P. Lesley, Test of a model propeller with symmetrical blade sections, NACA TN 246, Sep 1926, pp. 18.

647. C. H. Havill, The drag of airships, NACA TN 247, Jan 1926, pp. 28.

648. Clinton H. Havill, The drag of airships : drag of bare hulls II, NACA TN 248, Oct 1926, pp. 35.

649. Eastman N. Jacobs, Effect of protruding gasoline tanks upon the characteristics of an airfoil, NACA TN 249, Oct 1926, pp. 6.

650. Paul E. Hemke, Influence of the orifice on measured pressures, NACA TN 250, Nov 1926, pp. 16.

651. T. Carroll and R. E. Mixon, The effect of tube length upon the recorded pressures from a pair of static orifices in a wing panel, NACA TN 251, Nov 1926, pp. 6.

652. James M. Shoemaker, Resistance of a fifteen-centimeter disk, NACA TN 252, Dec 1926, pp. 6.

653. Montgomery Knight, Wind tunnel standardization disk drag, NACA TN 253, Dec 1926, pp. 9.

654. Munk, Max M Miller, Elton W , The aerodynamic characteristics of seven frequently used wing sections at full Reynolds number , NACA Report 233 , 1927 , pp. 6 .

655. Diehl, Walter S , Three methods of calculating range and endurance of airplanes , NACA Report 234 , 1927 , pp. 18 .

656. Durand, W F , Interaction between air propellers and airplane structures , NACA Report 235 , 1927 , pp. 23 .

657. Diehl, Walter S , Tests on airplane fuselages, floats and hulls , NACA Report 236 , 1927 , pp. 22 .

658. Durand, W F , Tests on thirteen navy type model propellers , NACA Report 237 , 1927 , pp. 39 .

659. Diehl, Walter S , The effect of flight path inclination on airplane velocity , NACA Report 238 , 1927 , pp. 11 .

660. Paton, C R Kemper, Carlton , Power output and air requirements of a two-stroke cycle engine for aeronautical use , NACA Report 239 , 1927 , pp. 11 .

661. Nomenclature for aeronautics, NACA Report 240, NACA Report 9, NACA Report 15, NACA Report 25, NACA Report 91, NACA Report 157, 1927, pp. 75.

662. .

663. .

664. Brode, R B Randolph, D W Silsbee, F B , Electrical characteristics of spark generators for automotive ignition , NACA Report 241 , 1927 , pp. 20 .

665. Crowley, John W , Jr Ronan, K M , Characteristics of a twin-float seaplane during take-off , NACA Report 242 , 1927 , pp. 14 .

666. Gardiner, Arthur W , A preliminary study of fuel injection and compression ignition as applied to an aircraft engine cylinder , NACA Report 243 , 1927 , pp. 16 .

667. (Author(s) Not Available) , Aerodynamic characteristics of airfoils IV : continuation of reports nos. 93, 124, and 182 , NACA Report 244 , 1927 , pp. 42 .

668. Gregg, W R , Meteorological conditions along airways , NACA Report 245 , 1927 , pp. 16 .

669. Brombacher, W G , Tables for calibrating altimeters and computing altitudes based on the standard atmosphere, NACA Report 246 , 1927 , pp. 24 .

670. Zahm, A F , Pressure of air on coming to rest from various speeds , NACA Report 247 , 1927 , pp. 7 .

671. Boyer, J A , The corrosion of magnesium and of the magnesium aluminum alloys containing manganese , NACA Report 248 , 1927 , pp. 38 .

672. Carroll, Thomas , A comparison of the take-off and landing characteristics of a number of service airplane , NACA Report 249 , 1927 , pp. 12 .

673. Ware, Marsden , Description of the NACA universal test engine and some test results , NACA Report 250 , 1927 , pp. 15 .

674. Warner, Edward P Short, Mac , Approximations for column effect in airplane wing spars , NACA Report 251 , 1927 , pp. 20 .

675. Gove, W D Green, M W , The direct measurement of engine power on an airplane in flight with a hub type dynamometer , NACA Report 252 , 1927 , pp. 11 .

676. Zahm, A F , Flow and drag formulas for simple quadrics , NACA Report 253 NACA-TR-312 , 1927 , pp. 23 .

677. Fairbanks, A J , Distribution of pressure over model of the upper wing and aileron of a Fokker D-VII airplane , NACA Report 254 , 1927 , pp. 14 .

678. Briggs, L J Dryden, H L , Pressure distribution over airfoils at high speeds , NACA Report 255 , 1927 , pp. 42 .

679. Munk, Max M , The air forces on a systematic series of biplane and triplane cellule models , NACA Report 256 , 1927 , pp. 37 .

680. R. H. Smith, Method of correcting wind tunnel data for omitted parts of airplane models, NACA TN 254, Jan 1927, pp. 12.

681. Frank Rizzo, Precision of wing sections and consequent aerodynamic effects, NACA TN 255, Jan 1927, pp. 17.

682. George J. Higgins, Wall interference in closed type wind tunnels, NACA TN 256, Mar 1927, pp. 14.

683. Donald A. Hall, Technical preparation of the airplane - Spirit of St. Louis., NACA TN 257, Jul 1927, pp. 27.

684. Elliott G. Reid and Thomas Carroll, A warning concerning the take-off with heavy load, NACA TN 258, Jul 1927, pp. 9.

685. E. H. Dix, Jr., A L C L A D : new corrosion resistant aluminum product, NACA TN 259, Aug 1927, pp. 17.

686. Fred E. Weick, Study of open jet wind tunnel cones, NACA TN 260, Aug 1927, pp. 21.

687. Henrickson, H B (Bureau of Standards) , Tension experiments on diaphragm metals , NACA TN-261 , August 1927 , pp. 35 .

688. M. F. Schoeffel, The installation and correction of compasses in airplanes, NACA TN 262, Aug 1927, pp. 22.

689. Roy G. Miller, A load factor formula, NACA TN 263, Aug 1927, pp. 10.

690. George J. Higgins, Tests of the N.P.L. airship models in the variable density wind tunnel, NACA TN 264, Sep 1927, pp. 12.

691. M. W. Green, Measurement of the moments of inertia of full scale airplanes, NACA TN 265, Jan 1927, pp. 17.

692. Elliott G. Reid, Airfoil lift with changing angle of attack, NACA TN 266, Sep 1927, pp. 25.

693. R. V. Rhode, Pressure distribution on wing ribs of the VE-7 and TS airplanes in flight, NACA TN 267, Oct 1927, pp. 17.

694. Max Scherberg and R. V. Rhode, Mass distribution and performance of free flight models, NACA TN 268, Oct 1927, pp. 30.

695. Richard M. Mock, The distribution of loads between the wings of a biplane having decalage, NACA TN 269, Nov 1927, pp. 48.

696. George J. Higgins, The characteristics of the N.A.C.A 97, Clark Y, and N.A.C.A. M6 airfoils with particular reference to the angle of attack, NACA TN 270, Dec 1927, pp. 12.

697. Crowley, J W , Jr , Pressure distribution over a wing and tail rib of a VE-7 and of a TS airplane in flight , NACA Report 257 , 1928 , pp. 37 .

698. Beardsley, E G , Some factors affecting the reproducibility of penetration and the cut-off of oil sprays for fuel-injection engines , NACA Report 258 , 1928 , pp. 10 .

699. Jacobs, Eastman N , Characteristics of propeller sections tested in the variable density wind tunnel , NACA Report 259 , 1928 , pp. 16 .

700. Higgins, George J Jacobs, Eastman N , The effect of a flap and ailerons on the N.A.C.A. M-6 airfoil section , NACA Report 260 , 1928 , pp. 20 .

701. Smith, R H , Resistance and cooling power of various radiators , NACA Report 261 , 1928 , pp. 16 .

702. Sparrow, S W Thorne, M A , Friction of aviation engines , NACA Report 262 , 1928 , pp. 27 .

703. Gardiner, Arthur W Reid, Elliott G , Preliminary flight tests of the N.A.C.A. Roots type aircraft engine supercharger , NACA Report 263 , 1928 , pp. 15 .

704. Bear, R M , Differential pressures on a Pitot-Venturi and a Pitot-static nozzle over 360 degrees pitch and yaw , NACA Report 264 , 1928 , pp. 9 .

705. Reid, Elliott G , A full-scale investigation of ground effect , NACA Report 265 , 1928 , pp. 7 .

706. Smith, R H , Air force and moment for N-20 wing with certain cut-outs , NACA Report 266 , 1928 , pp. 12 .

707. Hemke, Paul E , Drag of wings with end plates , NACA Report 267 , 1928 , pp. 13 .

708. Joachim, W F Beardsley, E G , Factors in the design of centrifugal type injection valves for oil engines , NACA Report 268 , 1928 , pp. 15 .

709. Shoemaker, James M , Air force tests of sperry messenger model with six sets of wings , NACA Report 269 , 1928 , pp. 20 .

710. Hemke, Paul E , The measurement of pressure through tubes in pressure distribution tests , NACA Report 270 , 1928 , pp. 11 .

711. Fairbanks, A J , Pressure distribution tests on PW-9 wing models showing effects of biplane interference , NACA Report 271 , 1928 , pp. 13 .

712. Gardiner, Arthur W Whedon, William E , The relative performance obtained with several methods of control of an overcompressed engine using gasoline , NACA Report 272 , 1928 , pp. 16 .

713. Knight, Montgomery , Wind tunnel tests on autorotation and the "flat spin." , NACA Report 273 , 1928 , pp. 18 .

714. Beardsley, Edward G , The N.A.C.A. photographic apparatus for studying fuel sprays from oil engine injection valves and test results from several researches , NACA Report 274 , 1928 , pp. 14 .

715. Higgins, George J , The effect of the walls in closed type wind tunnels , NACA Report 275 , 1928 , pp. 18 .

716. Marvin, Charles F , Jr , Combustion time in the engine cylinder and its effect on engine performance , NACA Report 276 , 1928 , pp. 16 .

717. Gardiner, Arthur W Schey, Oscar W , The comparative performance of an aviation engine at normal and high inlet air temperatures , NACA Report 277 , 1928 , pp. 19 .

718. Smith, R H , Lift, drag, and elevator hinge moments of Handley Page control surfaces , NACA Report 278 , 1928 , pp. 22 .

719. Higgins, George J (Bureau Of Aeronautics (Navy), Washington, DC) Defoe, George L Diehl, W S , Tests on models of three British airplanes in the variable density wind tunnel , NACA Report 279 , 1928 , pp. 27 .

720. Stevens, F W , The gaseous explosive reaction : the effect of inert gases , NACA Report 280 , 1928 , pp. 12 .

721. Joachim, W F Beardsley, Edward G , The effects of fuel and cylinder gas densities on the characteristics of fuel sprays for oil engines , NACA Report 281 , 1928 , pp. 9 .

722. Joachim, William F Kemper, Carlton , Performance of several combustion chambers designed for aircraft oil engines , NACA Report 282 , 1928 , pp. 12 .

723. Fred E. Weick, Full scale drag tests on various parts of Sperry Messenger airplane, NACA TN 271, Jan 1928, pp. 14.

724. A. M. Heim, Special propeller protractor, NACA TN 272, Jan 1928, pp. 9.

725. Thomas Carroll, The effect on performance of a cutaway center section, NACA TN 273, Jan 1928, pp. 15.

726. Fred E. Weick, The effect of the Sperry Messenger fuselage on the air flow at the propeller plane, NACA TN 274, Jan 1928, pp. 12.

727. Fred E. Weick, Determination of propeller deflection by means of static load tests on models, NACA TN 275, Jan 1928, pp. 12.

728. Clinton H. Havill, Helium tables, NACA TN 276, Jan 1928, pp. 20.

729. R. V. Rhode, Pressure distribution on wing ribs of the VE-7 and TS airplanes in flight Part II: pull-ups, NACA TN 277, Jan 1928, pp. 60.

730. A. F. Zahm, An automatic speed control for wind tunnels, NACA TN 278, Feb 1928, pp. 19.

731. George L. DeFoe, Resistance of streamline wires, NACA TN 279, Mar 1928, pp. 11.

732. Donald H. Wood, Drag of exposed fittings and surface irregularities on airplane fuselages, NACA TN 280, Mar 1928, pp. 16.

733. Fred E. Weick, A comparison of propeller and centrifugal fans for circulating the air in a wind tunnel, NACA TN 281, Mar 1928, pp. 12.

734. Henry S. Rawdon, Corrosion embrittlement of duralumin I : practical aspects of the problem, NACA TN 282, Apr 1928, pp. 16.

735. Henry S. Rawdon, Corrosion embrittlement of duralumin II : accelerated corrosion tests and the behavior of high-strength aluminum alloys of different compositions, NACA TN 283, Apr 1928, pp. 49.

736. Henry S. Rawdon, Corrosion embrittlement of duralumin III : effect of the previous treatment of sheet material on the susceptibility to this type of corrosion, NACA TN 284, Apr 1928, pp. 31.

737. Henry S. Rawdon, Corrosion embrittlement of duralumin IV : the use of protective coatings, NACA TN 285, Apr 1928, pp. 37.

738. Reid, E G Bamber, M J , Preliminary investigation on boundary layer control by means of suction and pressure with the U.S.A. 27 airfoil , NACA TN-286 , May 1928 , pp. 49 .

739. Thomas Carroll, A dangerous seaplane landing condition, NACA TN 287, May 1928, pp. 4.

740. H. C. Richardson, The reaction on a float bottom when making contact with water at high speeds, NACA TN 288, May 1928, pp. 9.

741. James M. Shoemaker, Preliminary biplane tests in the variable density wind tunnel, NACA TN 289, Jun 1928, pp. 24.

742. W. B. Miller, Welding of high chromium steels, NACA TN 290, Jun 1928, pp. 14.

743. T. R. Truax, Gluing practice at aircraft manufacturing plants, NACA TN 291, Jul 1928, pp. 13.

744. Fred E. Weick, The drag of a J-5 radial air-cooled engine, NACA TN 292, Jul 1928, pp. 7.

745. Carroll, Thomas Mcavoy, Wm H , The formation of ice upon exposed parts of an airplane in flight , NACA TN-293 , July 1928 , pp. 12 .

746. Carl J. Wenzinger and Thomas A. Harris, Wind tunnel force tests in wing systems through large angles of attack, NACA TN 294, Aug 1928, pp. 26.

747. Paul V. Dronin, Earl I. Ramsden and George J. Higgins, The effect of tip shields on a horizontal tail surface, NACA TN 295, Aug 1928, pp. 20.

748. G. W. Trayer, Bearing strength of wood under steel aircraft bolts and washers and other factors influencing fitting design, NACA TN 296, Oct 1928, pp. 35.

749. Montgomery Knight and Millard J. Bamber, Preliminary report on the flat-top lift curve as a factor in control at low speed, NACA TN 297, Sep 1928, pp. 16.

750. Chester W. Hicks and Charles S. Moore, The determination of several spray characteristics of a high-speed oil engine injection system with an oscilloscope, NACA TN 298, Sep 1928, pp. 16.

751. Gough, Melvin N , The effect of fillets between wings and fuselage on the drag and propulsive efficiency of an airplane , NACA TN-299 , October 1928 , pp. 11 .

752. Thomas Carroll and Wm. H. McAvoy, The variation in pressures in the cockpit fan airplane in flight, NACA TN 300, Nov 1928, pp. 8.

753. Fred E. Weick, Drag and cooling with various forms of cowling for a Whirlwind engine in a cabin fuselage, NACA TN 301, Nov 1928, pp. 44.

754. Ware, Marsden Schey, Oscar W , A preliminary investigation of supercharging an air-cooled engine in flight , NACA Report 283 , 1929 , pp. 11 .

755. Ware, Marsden Wilson, Ernest E , The comparative performance of Roots type aircraft engine superchargers as affected by change in impeller speed and displacement , NACA Report 284 , 1929 , pp. 14 .

756. Zahm, A F Bear, R M , A study of wing flutter , NACA Report 285 , 1929 , pp. 28 .

757. (Author(s) Not Available) , Aerodynamic characteristics of airfoils V : continuation of reports nos. 93, 124, 182, and 244 , NACA Report 286 , 1929 , pp. 49 .

758. Zahm, A F , Theories of flow similitude , NACA Report 287 , 1929 , pp. 10 .

759. Knight, Montgomery Loeser, Oscar, Jr , Pressure distribution over a rectangular monoplane wing model up to 90 degree angle of attack , NACA Report 288 , 1929 , pp. 19 .

760. Zahm, A F Smith, R H Louden, F A , Forces on elliptic cylinders in uniform air stream , NACA Report 289 NACA-TR-315 , 1929 , pp. 18 .

761. Thompson, F L , Water-pressure distribution on seaplane float , NACA Report 290 , 1929 , pp. 13 .

762. Zahm, A F Smith, R H Louden, F A , Drag of C-class airship hulls of various fineness ratios , NACA Report 291 , 1929 , pp. 16 .

763. Crowley, J W , Jr Mixson, R E , Characteristics of five propellers in flight , NACA Report 292 , 1929 , pp. 23 .

764. Diehl, Walter S , Two practical methods for the calculation of the horizontal tail area necessary for a statically stable airplane , NACA Report 293 , 1929 , pp. 20 .

765. Hicks, Chester W , The measurement of maximum cylinder pressures , NACA Report 294 , 1929 , pp. 11 .

766. Gove, W D , The variation in engine power with altitude determined from measurements in flight with a hub dynamometer , NACA Report 295 , 1929 , pp. 12 .

767. Loeser, Oscar E , Jr , Pressure distribution tests on PW-9 wing models from -18 degree through 90 degree angle of attack , NACA Report 296 , 1929 , pp. 22 .

768. Diehl, Walter S , Reduction of observed airplane performance to standard conditions , NACA Report 297 , 1929 , pp. 27 .

769. Heald, R H Strother, D H , Effect of variation of chord and span of ailerons on rolling and yawing moments in level flight , NACA Report 298 , 1929 , pp. 19 .

770. Keulegan, G H , Investigation of damping liquids for aircraft instruments , NACA Report 299 , 1929 , pp. 24 .

771. Weick, Fred E Wood, Donald H , The twenty-foot propeller research tunnel of the National Advisory Committee for Aeronautics , NACA Report 300 , 1929 , pp. 16 .

772. Weick, Fred E , Full scale tests of wood propellers on a VE-7 airplane in the propeller research tunnel , NACA Report 301 , 1929 , pp. 20 .

773. Weick, Fred E , Full scale tests on a thin metal propeller at various tip speeds , NACA Report 302 , 1929 , pp. 14 .

774. Schey, Oscar W Wilson, Ernest E , An investigation of the use of discharge valves and an intake control for improving the performance of N.A.C.A. Roots type supercharger , NACA Report 303 , 1929 , pp. 9 .

775. Crowley, J W , Jr Green, M W , An investigation of the aerodynamic characteristics of an airplane equipped with several different sets of wings , NACA Report 304 , 1929 , pp. 14 .

776. Stevens, F W , The gaseous explosive reaction : a study of the kinetics of composite fuels , NACA Report 305 , 1929 , pp. 18 .

777. Weick, Fred E , Full-scale wind-tunnel tests of a series of metal propellers on a VE-7 airplane , NACA Report 306 , 1929 , pp. 31 .

778. Rhode, R V , The pressure distribution over the horizontal and vertical tail surfaces of the F6C-4 pursuit airplane in violent maneuvers , NACA Report 307 , 1929 , pp. 30 .

779. (Author(s) Not Available) , Aircraft accidents.method of analysis , NACA Report 308, 1929 , pp. 30 .

780. E. P. Lesley and E. G. Reid, A new method for the prediction of airplane performance, NACA TN 302, Feb 1929, pp. 32.

781. C. S. Fliedner, Condensed data on the aircraft engines of the world, NACA TN 303, Apr 1929, pp. 17.

782. Henry S. Rawdon, Corrosion embrittlement of duralumin V : results of weather-exposure tests, NACA TN 304, Feb 1929, pp. 30.

783. Henry S. Rawdon, Corrosion embrittlement of duralumin VI : the effect of corrosion accompanied by stress on the tensile properties of sheet duralumin, NACA TN 305, pp. 32.

784. Orrin E. Ross, Curves showing column strength of steel and duralumin tubing, NACA TN 306, May 1929, pp. 25.

785. L. B. Tuckerman, S. N. Petrenko and C. D. Johnson, Strength of tubing under combined axial and transverse loading, NACA TN 307, Jun 1929, pp. 32.

786. Eastman N. Jacobs, Pressure distribution on a slotted R.A.F. 31 airfoil in the variable density wind tunnel, NACA TN 308, Jun 1929, pp. 24.

787. Donald B. Brooks, Correcting engine tests for humidity, NACA TN 309, Jun 1929, pp. 23.

788. Montgomery Knight and Richard Noyes, Wind tunnel pressure distribution tests on a series of biplane wing models, NACA TN 310, Jul 1929, pp. 34.

789. Thomas Carroll and Smith J. Defrance, The use of wheel brakes on airplanes, NACA TN 311, Jul 1929, pp. 15.

790. Eastman N. Jacobs, Sphere drag tests in the variable density wind tunnel, NACA TN 312, Aug 1929, pp. 14.

791. Thomas Carroll and William H. McAvoy, The formation of ice upon airplanes in flight, NACA TN 313, Aug 1929, pp. 20.

792. Thomas Carroll and William H. McAvoy, Spiral tendency in blind flying, NACA TN 314, Aug 1929, pp. 32.

793. Mayo D. Hersey, Viscosity of diesel engine fuel oil under pressure, NACA TN 315, Sep 1929, pp. 13.

794. Montgomery Knight and Millard J. Bamber, Wind tunnel tests on a model of a monoplane wing with floating ailerons, NACA TN 316, Sep 1929, pp. 22.

795. Fred E. Weick, Tests of four racing type airfoils in the twenty-foot propeller research tunnel, NACA TN 317, Sep 1929, pp. 15.

796. Fred E. Weick, Full scale investigation of the drag of a wing radiator, NACA TN 318, Sep 1929, pp. 11.

797. Shatswell Ober, Some experiments on autorotation of an airfoil, NACA TN 319, Sep 1929, pp. 17.

798. Jacobs, Eastman N , The drag and interference of a nacelle in the presence of a wing , NACA TN-320 , October 1929 , pp. 20 .

799. Th. Von Karman, The impact on seaplane floats during landing, NACA TN 321, Oct 1929, pp. 10.

800. Fred E. Weick and Donald H. Wood, The effect of the wings of single engine airplanes on propulsive efficiency as shown by full scale wind tunnel tests, NACA TN 322, Oct 1929, pp. 46.

801. Montgomery Knight and Millard J. Bamber, Wind tunnel tests on airfoil boundary control using a backward opening slot, NACA TN 323, Oct 1929, pp. 15.

802. Millard J. Bamber, Wind tunnel tests on an airfoil equipped with a split flap and a slot, NACA TN 324, Oct 1929, pp. 11.

803. Montgomery Knight and Richard W. Noyes, Wind tunnel pressure distribution tests on a series of biplane wing models Part II : effects of changes in decalage, dihedral, sweepback and overhang, NACA TN 325, Oct 1929, pp. 39.

804. Carl J. Wenzinger and Oscar Loeser, Wind tunnel pressure distribution tests on an airfoil with trailing edge flap, NACA TN 326, Oct 1929, pp. 23.

805. Shatswell Ober, Some studies on the aerodynamic effect of the gap between airplane wings and fuselages, NACA TN 327, Nov 1929, pp. 18.

806. Oscar W. Schey, The effect of fuel consumption on cylinder temperatures and performance of a cowled Wright J-5 engine, NACA TN 328, Nov 1929, pp. 25.

807. A. M. Rothrock and E. G. Beardsley, Some effects of air flow on the penetration and distribution of oil sprays, NACA TN 329, Dec 1929, pp. 25.

808. Montgomery Knight and Richard W. Noyes, Wind tunnel pressure distribution tests on a series of biplane wing models Part III : effects of charges in various combinations of stagger, gap, sweepback, and decalage, NACA TN 330, Dec 1929, pp. 16.

809. Diehl, Walter S , Joint report on standardization tests on N.P.L. R.A.F 15 airfoil model , NACA Report 309 , 1930 , pp. 20 .

810. Brombacher, W G Cordero, F , Pressure element of constant logarithmic stiffness for temperature compensated altimeter , NACA Report 310 , 1930 , pp. 13 .

811. Smith, R H , Aerodynamic theory and test of strut forms. Part I , NACA Report 311 , 1930 , pp. 24 .

812. Higgins, George J , The prediction of airfoil characteristics , NACA Report 312 , 1930 , pp. 13 .

813. Weick, Fred E , Drag and cooling with various forms of cowling for a "whirlwind" radial air-cooled engine I , NACA Report 313 NACA-TN-301. , 1930 , pp. 26 .

814. Weick, Fred E , Drag and cooling with various forms of cowling for a "Whirlwind" radial air-cooled engine II , NACA Report 314 , 1930 , pp. 22 .

815. (Author(s) Not Available) , Aerodynamic characteristics of airfoils VI : continuation of reports nos. 93, 124, 182, 244, and 286 , NACA Report 315 , 1930 , pp. 36 .

816. Zahm, A F Louden, F A , Tables for pressure of air on coming to rest from various speeds , NACA Report 316 , 1930 , pp. 8 .

817. Knight, Montgomery Wenzinger, Carl J , Wind-tunnel tests on a series of wing models through a large angle of attack range. Part I : force tests , NACA Report 317 , 1930 , pp. 49 .

818. De France, S J (Bureau Of Aeronautics (Navy), Washington, DC) Burgess, C P , Speed and deceleration trials of U.S.S. Los Angeles , NACA Report 318 , 1930 , pp. 20 .

819. Brigg, L J Dryden, H L , Aerodynamic characteristics of twenty-four airfoils at high speeds , NACA Report 319 , 1930 , pp. 32 .

820. Dryden, H L Kuethe, A M , The measurement of fluctuations of air speed by the hot-wire anemometer , NACA Report 320 , 1930 , pp. 26 .

821. Joachim, William F Rothrock, A M , Fuel vapor pressures and the relation of vapor pressure to the preparation of fuel for combustion in fuel injection engines , NACA Report 321 , 1930 , pp. 12 .

822. Jacobs, Eastman N , Investigation of air flow in open-throat wind tunnels , NACA Report 322 , 1930 , pp. 11 .

823. Zahm, A F , Flow and force equations for a body revolving in a fluid , NACA Report 323 , 1930 , pp. 39 .

824. De France, S J , Flight tests on U.S.S. Los Angeles. Part I : full scale pressure distribution investigation , NACA Report 324 , 1930 , pp. 33 .

825. Burgess, C P , Flight tests on U.S.S. Los Angeles. Part II : stress and strength determination , NACA Report 325 , 1930 , pp. 16 .

826. Lesley, E P Reid, Elliott G , Tests of five metal model propellers with various pitch distributions in a free wind stream and in combination with model VE-7 fuselage , NACA Report 326 , 1930 , pp. 18 .

827. Schey, O W Gove, W D , The effect of supercharger capacity on engine and airplane performance , NACA Report 327 , 1930 , pp. 20 .

828. Thompson, F L , Water pressure distribution on a twin-float seaplane , NACA Report 328 , 1930 , pp. 18 .

829. Burgess, C P , The torsional strength of wings , NACA Report 329 , 1930 , pp. 14 .

830. Gelalles, A G Rothrock, A M , Experimental and analytical determination of the motion of hydraulically operated valve stems in oil engine injection systems , NACA Report 330 , 1930 , pp. 20 .

831. Louden, F A , Collection of wind-tunnel data on commonly used wing sections , NACA Report 331 , 1930 , pp. 45 .

832. Schey, Oscar W Biermann, Arnold E , The effect of cowling on cylinder temperatures and performance of a Wright J-5 engine , NACA Report 332 , 1930 , pp. 22 .

833. Thompson, F L , Full-scale turning characteristics of the U.S.S. Los Angeles , NACA Report 333 , 1930 , pp. 14 .

834. Trayer, George W March, H W , The torsion of members having sections common in aircraft construction , NACA Report 334 , 1930 , pp. 69 .

835. Smith, R H , Aerodynamic theory and tests of strut forms. Part II , NACA Report 335 , 1930 , pp. 39 .

836. Wood, Donald H , Tests of large airfoils in the propeller research tunnel, including two with corrugated surfaces , NACA Report 336 , 1930 , pp. 19 .

837. G. Fayette Taylor and A. Rehbock, Rate of heat transfer from finned metal surfaces, NACA TN 331, Jan 1930, pp. 46.

838. A. M. Rothrock, Injection labs in a common-rail fuel injection system, NACA TN 332, Feb 1930, pp. 13.

839. E. P. Lesley, Test of an adjustable pitch model propeller at four blade settings, NACA TN 333, Feb 1930, pp. 28.

840. Oscar W. Schey, Ernest Johnson and Melvin N. Gough, Comparative performance obtained with XF7C-1 airplane using several different engine cowlings, NACA TN 334, Feb 1930, pp. 25.

841. H. J. McNicholas and F. Hedrick, The structure and properties of parachute cloths, NACA TN 335, Mar 1930, pp. 35.

842. Montgomery Knight and Carl J. Wenzinger, The effect of wing tip floating ailerons on the autorotation of a monoplane wing model, NACA TN 336, Mar 1930, pp. 26.

843. Richard V. Rhode, Pressure distribution on the tail surfaces of a PW-9 pursuit airplane in flight, NACA TN 337, Apr 1930, pp. 70.

844. A. G. Gelalles, Some effects of air and fuel oil temperatures on spray penetration and dispersion, NACA TN 338, May 1930, pp. 18.

845. Montgomery Knight and William C. Clay, Refrigerated wind tunnel tests on surface coatings for preventing ice formation, NACA TN 339, May 1930, pp. 34.

846. William H. Hernstein, Jr., Full scale drag tests on various parts of Fairchild (FC-2W2) cabin monoplane, NACA TN 340, May 1930, pp. 14.

847. Robert M. Pinkerton, Calibration and lag of a Friez type cup anemometer, NACA TN 341, Jun 1930, pp. 14.

848. Horace Knerr, Identification of aircraft by Rockwell test, NACA TN 342, Jun 1930, pp. 12.

849. George Michael Smith, Strength in shear of the thin curved sheets of Alclad, NACA TN 343, Jun 1930, pp. 36.

850. J. A. Spanogle and H. H. Foster, Performance of a high-speed compression-ignition engine using multiple orifice fuel injection nozzles, NACA TN 344, Jun 1930, pp. 40.

851. William C. Geer and Merit Scott, The prevention of the ice hazard on airplanes, NACA TN 345, Jul 1930, pp. 30.

852. Knight, Montgomery Noyes, Richard W , Span load distribution on two monoplanes wing models as affected by twist and sweepback , NACA TN-346 , July 1930 , pp. 19 .

853. Richard V. Rhode and Eugene E. Lundquist, Pressure distribution over a Douglas wing tip on a biplane in flight, NACA TN 347, Aug 1930, pp. 33.

854. John H. Collins, Jr., Alterations and tests of the - Farnboro - engine indicator, NACA TN 348, Sep 1930, pp. 20.

855. Kenneth F. Ridley, An investigation of airplane landing speeds, NACA TN 349, Sep 1930, pp. 58.

856. W. H. Mutchler and R. W. Buzzard, Methods for the identification of aircraft tubing of plain carbon steel and chromium-molybdenum steel, NACA TN 350, Oct 1930, pp. 30.

857. M. P. Miller, An accurate method of measuring the moments of inertia of airplanes, NACA TN 351, Oct 1930, pp. 27.

858. A. G. Gellales, Effect of orifice length-diameter ratio on spray characteristics, NACA TN 352, Oct 1930, pp. 24.

859. Robert M. Pinkerton, Analytical determination of the load on a trailing edge flap, NACA TN 353, Oct 1930, pp. 10.

860. John F. Parsons and Jarvis A. Wallen, An investigation of the phenomenon of separation in the air flow around simple quadric cylinders, NACA TN 354, Nov 1930, pp. 49.

861. Gough, Melvin N , Effect of the angular position of the section of a ring cowling on the high speed of an XF7C-1 airplane , NACA TN-355 , November 1930 , pp. 25 .

862. A. M. Rothrock and D. W. Lee, Some characteristics of fuel sprays from open nozzles, NACA TN 356, Nov 1930, pp. 22.

863. Ralph W. Mossman and Russell G. Robinson, Bending tests of metal monocoque fuselage construction, NACA TN 357, Nov 1930, pp. 45.

864. Eastman N. Jacobs and Ira H. Abbott, Experiments with a model water tunnel, NACA TN 358, Dec 1930, pp. 15.

865. J. A. Spanogle and John H. Collins, Jr., A balanced diaphragm type of maximum cylinder pressure indicator, NACA TN 359, Dec 1930, pp. 11.

866. Wheatley, John B , Simplified aerodynamic analysis of the cyclogiro rotating wing system , NACA TN-467 , August 1930 , pp. 29 .

867. Stevens, F W , The gaseous explosive reaction at constant pressure : the reaction order and reaction rate , NACA Report 337 , 1931 , pp. 6 .

868. Weick, Fred E , The effect of reduction gearing on propeller-body interference as shown by full-scale wind-tunnel tests , NACA Report 338 , 1931 , pp. 21 .

869. Weick, Fred E , Full-scale wind-tunnel tests with a series of propellers of different diameters on a single fuselage , NACA Report 339 , 1931 , pp. 16 .

870. Weick, Fred E , Full-scale wind-tunnel tests on several metal propellers having different blade forms , NACA Report 340 , 1931 , pp. 13 .

871. Joachim, William F Hicks, Chester W Foster, Hampton H , The design and development of an automatic injection valve with an annular orifice of varying area , NACA Report 341 , 1931 , pp. 10 .

872. Dryden, H L Kuethe, A M , Effect of turbulence in wind-tunnel measurements , NACA Report 342 , 1931 , pp. 26 .

873. Heald, R H Strother, D H Monish, B H , Effect of variation of chord and span of ailerons on rolling and yawing moments at several angles of pitch , NACA Report 343 , 1931 , pp. 29 .

874. Trayer, George W , The design of plywood webs for airplane wing beams , NACA Report 344 , 1931 , pp. 17 .

875. Newlin, J A Trayer, George W , The design of airplane wing ribs , NACA Report 345 , 1931 , pp. 54 .

876. Thompson, F L , Water pressure distribution on a flying boat hull , NACA Report 346 , 1931 , pp. 18 .

877. Newlin, J A Trayer, George W , A method of calculating the ultimate strength of continuous beams , NACA Report 347 , 1931 , pp. 28 .

878. Whittemore, H L Brueggeman, W C , Strength of welded joints in tubular members for aircraft , NACA Report 348 , 1931 , pp. 41 .

879. Durand, W F , A proof of the theorem regarding the distribution of lift over the span for minimum induced drag , NACA Report 349 , 1931 , pp. 15 .

880. Weick, Fred E , Working charts for the selection of aluminum alloy propellers of a standard form to operate with various aircraft engines and bodies , NACA Report 350 , 1931 , pp. 16 .

881. Wood, Donald H , Full-scale wind-tunnel tests of a propeller with the diameter changed by cutting off the blade tips , NACA Report 351 , 1931 , pp. 25 .

882. Jacobs, Eastman N Anderson, Raymond F , Large-scale aerodynamic characteristics of airfoils as tested in the variable density wind tunnel , NACA Report 352 , 1931 , pp. 32 .

883. Jacobs, Eastman N Stack, John Pinkerton, Robert M , Airfoil pressure distribution investigation in the variable density wind tunnel , NACA Report 353 , 1931 , pp. 16 .

884. Markwardt, L J , Aircraft woods: their properties, selection, and characteristics , NACA Report 354 , 1931 , pp. 34 .

885. Schey, Oscar W Young, Alfred W , Comparative flight performance with an NACA Roots supercharger and a turbocentrifugal supercharger , NACA Report 355 , 1931 , pp. 14 .

886. Schuman, Louis Back, Goldie , Strength of rectangular flat plates under edge compression , NACA Report 356 , 1931 , pp. 24 .

887. Committee on Aircraft Accidents, Aircraft accidents : method of analysis, NACA Report 357, 1931 , pp. 17 .

888. Brombacher, W G Melton, E R , Temperature coefficient of the modulus of rigidity of aircraft instrument diaphragm and spring materials , NACA Report 358 , 1931 , pp. 16 .

889. Peters, Melville F Summerville, Wayne L , An investigation of the effectiveness of ignition sparks , NACA Report 359 , 1931 , pp. 13 .

890. Jacobs, Eastman N Pinkerton, Robert M , Pressure distribution over a symmetrical airfoil section with trailing edge flap , NACA Report 360 , 1931 , pp. 19 .

891. Knight, Montgomery Harris, Thomas A , Experimental determination of jet boundary corrections for airfoil tests in four open wind tunnel jets of different shapes , NACA Report 361 , 1931 , pp. 27 .

892. Millikan, Clark B , An extended theory of thin airfoils and its application to the biplane problem , NACA Report 362 , 1931 , pp. 33 .

893. Rothrock, A M , Pressure fluctuations in a common-rail fuel injection system , NACA Report 363 , 1931 , pp. 16 .

894. Rhode, Richard , The pressure distribution over the wings and tail surfaces of a PW-9 pursuit airplane in flight , NACA Report 364 , 1931 , pp. 103 .

895. Wenzinger, Carl J Harris, Thomas A , The vertical wind tunnel of the National Advisory Committee for Aeronautics , NACA Report 387 , 1931 , pp. 10 .

896. Dryden, Hugh L , Reduction of turbulence in wind tunnels , NACA Report 392 , 1931 , pp. 11 .

897. Fuchs, Richard and Schmidt, Wilhelm, The steady spin, NACA Technical Memorandum 630, 1931, pp. 7.

898. Richard V. Rhode and Eugene E. Lundquist, The pressure distribution over a square wing tip on a biplane in flight, NACA TN 360, Jan 1931, pp. 37.

899. Ward, Kenneth E , The effect of small variations in profile of airfoils , NACA TN-361 , 1931 , pp. 19 .

900. F. L. Thompson and P. H. Keister, Lift and drag characteristics of a cabin monoplane, NACA TN 362, Jan 1931, pp. 20.

901. Fred E. Weick, The behavior of conventional airplanes in situations thought to lead to most crashes, NACA TN 363, Feb 1931, pp. 17.

902. John Stack, Tests in the variable density wind tunnel to investigate the effects of scale and turbulence on airfoil characteristics, NACA TN 364, Feb 1931, pp. 43.

903. Kenneth E. Ward, Interference effects and drag of struts on a monoplane wing, NACA TN 365, Feb 1931, pp. 17.

904. John B. Wheatley, Torsion in box wings, NACA TN 366, Feb 1931, pp. 47.

905. Raymond F. Anderson, The aerodynamic characteristics of three tapered airfoils tested in the variable density wind tunnel, NACA TN 367, Feb 1931, pp. 23.

906. Melvin N. Gough, The variation in pressure in the cabin of an airplane in flight, NACA TN 368, Mar 1931, pp. 16.

907. A. G. Gelalles and E. E. March, Effect of orifice length-diameter ratio on the coefficient of discharge of fuel-injection nozzles, NACA TN 369, Mar 1931, pp. 22.

908. Richard V. Rhodes and Eugene E. Lundquist, Strength tests on paper cylinder in compression, bending and shear, NACA TN 370, Apr 1931, pp. 14.

909. Abbott, I H , Experiments with an airfoil model on which the boundary layers are controlled without the use of supplementary equipment , NACA TN-371 , April 1931 , pp. 11 .

910. J. A. Spanogle and G. H. Hemmeter, Development of an impinging-jet fuel-injection valve nozzle, NACA TN 372, Apr 1931, pp. 17.

911. Harold C. Gerrish and Fred Voss, Investigation of the discharge rate of a fuel-injection system, NACA TN 373, Apr 1931, pp. 17.

912. Richard V. Rhode and Eugene E. Lundquist, Preliminary study of applied load factors in bumpy air, NACA TN 374, Apr 1931, pp. 37.

913. Marvel P. Miller and Hartley A. Soule, Moments of inertia of several airplanes, NACA TN 375, May 1931, pp. 9.

914. A. M. Rothrock, Effect of high air velocities on the distribution and penetration of a fuel spray, NACA TN 376, May 1931, pp. 21.

915. Richard W. Noyes, An integrating manometer for use in wind tunnel pressure distribution measurements, NACA TN 377, May 1931, pp. 10.

916. E. C. Hartmann, Comparison of weights of 17ST and steel tubular structural members used in aircraft construction, NACA TN 378, May 1931, pp. 23.

917. Richard V. Rhode and Eugene E. Lungquist, The pressure distribution over a semicircular wing tip on an airplane in flight, NACA TN 379, May 1931, pp. 23.

918. Fayette C. Taylor, A suggested method for measuring turbulence, NACA TN 380, Jun 1931, pp. 12.

919. H. W. Russell and W. A. Welcker, Jr., Endurance and other properties at low temperatures of some alloys for aircraft use, NACA TN 381, Jun 1931, pp. 26.

920. J. A. Spanogle and H. H. Foster, Basic requirements of fuel-injection nozzles for quiescent combustion chambers, NACA TN 382, Jun 1931, pp. 14.

921. Andrew E. Swickard, Metal-truss wing spars, NACA TN 383, Jul 1931, pp. 37.

922. A. M. Rothrock and E. T. Marsh, The effect of injection-valve opening pressure, NACA TN 384, Jul 1931, pp. 8.

923. Eastman N. Jacobs, Tests of six symmetrical airfoils in the variable density wind tunnel, NACA TN 385, Jul 1931, pp. 28.

924. Pinkerton, Robert M , Effect of nose shape on the characteristics of symmetrical airfoils , NACA TN-386 , August 1931 , pp. 26 .

925. Eugene E. Lundquist and Richard V. Rhode, The pressure distribution over a modified elliptical wing tip on a biplane in flight, NACA TN 387, Aug 1931, pp. 23.

926. Defoe, George L , A comparison of the aerodynamic characteristics of the normal and three reflexed airfoils in the variable density wind tunnel , NACA TN-388 , August 1931 , pp. 17 .

927. A. M. Rothrock, The N.A.C.A. apparatus for studying the formation and combustion of fuel sprays and the results from preliminary tests, NACA TN 389, Sep 1931, pp. 34.

928. Oscar W. Schey and Alfred W. Young, A method for reducing the temperature of exhaust manifolds, NACA TN 390, Sep 1931, pp. 14.

929. Eastman N. Jacobs and Robert M. Pinkerton, Tests of N.A.C.A. airfoils in the variable-density wind tunnel Series 43 and 63, NACA TN 391, Sep 1931, pp. 45.

930. Eastman N. Jacobs and Robert M. Pinkerton, Tests of N.A.C.A. airfoils in the variable-density wind tunnel Series 45 and 65, NACA TN 392, Sep 1931, pp. 41.

931. Wm. D. Appel and R. K. Worner, An investigation of cotton for parachute cloth, NACA TN 393, Sep 1931, pp. 22.

932. Theodore Theodorsen and William C. Clay, The prevention of ice formation on gasoline tank vents, NACA TN 394, Oct 1931, pp. 16.

933. A. M. Rothrock and E. T. Marsh, Penetration and duration of fuel sprays from a pump injection system, NACA TN 395, Oct 1931, pp. 38.

934. J. A. Spanogle and C. S. Moore, Performance of a compression-ignition engine with a precombustion chamber having high-velocity air flow, NACA TN 396, Oct 1931, pp. 31.

935. Raymond F. Anderson, The aerodynamic characteristics of six commonly used Airfoils over a large range of positive and negative angles of attack, NACA TN 397, Nov 1931, pp. 12.

936. Hartley A. Soule, The effect of slots and flaps on the lift and drag of the McDonnell Airplanes determined in flight, NACA TN 398, Nov 1931, pp. 29.

937. A. M. Rothrock and C. D. Waldron, Some characteristics of fuel sprays at low-injection pressures, NACA TN 399, Nov 1931, pp. 16.

938. R. W. Buzzard and W. H. Mutchler, Advantages of oxide films as bases for aluminum pigmented surface coatings for aluminum alloys, NACA TN 400, Nov 1931, pp. 25.

939. Eastman N. Jacobs and Robert M. Pinkerton, Tests of N.A.C.A. airfoils in the variable density wind tunnel Series 44 and 64, NACA TN 401, Dec 1931, pp. 44.

940. J. A. Spanogle and E. G. Whitney, The effectiveness of a double-stem injection valve in controlling combustion in a compression-ignition engine, NACA TN 402, Dec 1931, pp. 37.

941. Kenneth E. Ward, The interference effects on an airfoil of a flat plate at mid-span position, NACA TN 403, Dec 1931, pp. 20.

942. Briggs, L J Dryden, H L , Aerodynamic characteristics of circular-arc airfoils at high speeds , NACA Report 365 , 1932 , pp. 12 .

943. Peck, William C , Dynamic and flight tests on rubber-cord and oleo-rubber-disk landing gears for an F6C-4 airplane , NACA Report 366 , 1932 , pp. 17 .

944. Wenzinger, Carl J , Pressure distribution over a thick, tapered and twisted monoplane wing model-NACA 81-J , NACA Report 367 , 1932 , pp. 13 .

945. Diehl, Walter S , A new chart for estimating the absolute ceiling of an airplane , NACA Report 368 , 1932 , pp. 15 .

946. Dearborn, C H Kirschbaum, H W , Maneuverability investigation of the F6C-3 airplane with special flight instruments , NACA Report 369 , 1932 , pp. 18 .

947. Monish, B H , Effect of variation of chord and span of ailerons on hinge moments at several angles of pitch , NACA Report 370 , 1932 , pp. 12 .

948. (Author(s) Not Available) , Present status of aircraft instruments , NACA Report 371 , 1932 , pp. 21 .

949. Stevens, F W , The gaseous explosive reaction : the effect of pressure on the rate of propagation of the reaction zone and upon the rate of molecular transformation , NACA Report 372 , 1932 , pp. 17 .

950. Gelalles, A G , Coefficients of discharge of fuel-injection nozzles for compression-ignition engines , NACA Report 373 , 1932 , pp. 13 .

951. Darnell, T H , The automotive ignition coil , NACA Report 374 , 1932 , pp. 20 .

952. Wood, Donald H , Full-scale tests of metal propellers at high tip speeds , NACA Report 375 , 1932 , pp. 20 .

953. Diehl, Walter S , Some approximate equations for the standard atmosphere , NACA Report 376 , 1932 , pp. 10 .

954. Soule, Hartley A Scudder, Nathan F , A method of flight measurement of spins , NACA Report 377 , 1932 , pp. 16 .

955. Freeman, Hugh B , Comparison of full-scale propellers having R.A.F.-6 and Clark Y airfoil sections , NACA TR-378 , 1932 , pp. 18 .

956. Knight, Montgomery Wenzinger, Carl J , Rolling moments due to rolling and yaw for four wing models in rotation , NACA Report 379 , 1932 , pp. 25 .

957. Rhode, Richard V Lundquist, Eugene E , Pressure distribution over the fuselage of a PW-9 pursuit airplane in flight , NACA Report 380 , 1932 , pp. 27 .

958. Peck, William C Beard, Albert P , Static, drop, and flight tests on Musselman type airwheels , NACA Report 381 , 1932 , pp. 18 .

959. Trayer, George W March, H W , Elastic instability of members having sections common in aircraft construction , NACA Report 382 , 1932 , pp. 38 .

960. Theodorsen, Theodore , On the theory of wing sections with particular reference to the lift distribution , NACA Report 383 , 1932 , pp. 14 .

961. Schey, Oscar W , The comparative performance of superchargers , NACA Report 384 , 1932 , pp. 13 .

962. Bamber, Millard J , Wind-tunnel tests on airfoil boundary layer control using a backward-opening slot , NACA Report 385 , 1932 , pp. 36 .

963. Dearborn, C H Kirschbaum, H W , Maneuverability investigation of an F6C-4 fighting airplane , NACA Report 386 , 1932 , pp. 23 .

964. Theodorsen, Theodore , Investigation of the diaphragm-type pressure cell , NACA Report 388 , 1932 , pp. 16 .

965. Freeman, Hugh B , The effect of small angles of yaw and pitch on the characteristics of airplane propellers , NACA Report 389 , 1932 , pp. 7 .

966. Schey, Oscar W Biermann, Arnold E , The effect of valve timing upon the performance of a supercharged engine at altitude and an unsupercharged engine at sea level , NACA Report 390 , 1932 , pp. 11 .

967. Jacobs, Eastman N , The aerodynamic characteristics of eight very thick airfoils from tests in the variable density wind tunnel , NACA Report 391 , 1932 , pp. 12 .

968. Knight, Montgomery Noyes, Richard W , Span-load distribution as a factor in stability in roll , NACA Report 393 , 1932 , pp. 15 .

969. Abbott, Ira H , Airship model tests in the variable density wind tunnel , NACA Report 394 , 1932 , pp. 25 .

970. Theodorsen, Theodore , A new principle of sound frequency analysis , NACA Report 395 , 1932 , pp. 13 .

971. Rothrock, A M , Hydraulics of fuel-injection pumps for compression-ignition engines , NACA Report 396 , 1932 , pp. 44 .

972. Thompson, F L Kirschbaum, H W , The drag characteristics of several airships determined by deceleration tests , NACA Report 397 , 1932 , pp. 13 .

973. Houseman, M R Keulegan, G H , Investigation of damping liquids for aircraft instruments : II , NACA Report 398 , 1932 , pp. 17 .

974. Marvin, Charles F , Jr Best, Robert D , Flame movement and pressure development in an engine cylinder , NACA Report 399 , 1932 , pp. 10 .

975. Wenzinger, Carl J Shortal, Joseph A , The aerodynamic characteristics of a slotted Clark y wing as affected by the auxiliary airfoil position , NACA Report 400 , 1932 , pp. 16 .

976. Wood, Donald H , Tests of nacelle-propeller combinations in various positions with reference to wings II : thick wing - various radial-engine cowlings - tractor propeller , NACA Report 436 , May 12, 1932 , pp. 40 .

977. Eastman N. Jacobs and Kenneth E. Ward, Tests of N.A.C.A. airfoils in the variable-density wind tunnel Series, NACA TN 404, Jan 1932, pp. 35.

978. Edward S. Taylor, Valve timing of engines having intake pressures higher than exhaust, NACA TN 405, Feb 1932, pp. 13.

979. Oscar W. Schey and Alfred W. Young, The use of large valve overlap in scavenging a supercharged spark-ignition engine using fuel injection, NACA TN 406, Apr 1932, pp. 18.

980. A. M. Rothrock and D. W. Lee, Effect of the reservoir volume on the discharge pressures in the injection system of the N.A.C.A. spray photography equipment, NACA TN 407, Feb 1932, pp. 19.

981. A. M. Rothrock, Preliminary tests on the vaporization of fuel sprays, NACA TN 408, Feb 1932, pp. 10.

982. H. B. Hendrickson and D. H. Strother, Effect of aging on taut rubber diaphragms, NACA TN 409, Feb 1932, pp. 11.

983. Dana W. Lee, Experiments on the distribution of fuel in fuel sprays, NACA TN 410, Mar 1932, pp. 30.

984. John C. Redmond, Rapid chemical test for the identification of chromium-molybdenum steel, NACA TN 411, Mar 1932, pp. 4.

985. Raymond F. Anderson, The aerodynamic characteristics of airfoils at negative angles of attack, NACA TN 412, Mar 1932, pp. 38.

986. Eugene E. Lundquist, The compressive strength of duralumin columns of equal angle section, NACA TN 413, Mar 1932, pp. 18.

987. J. A. Spanogle and C. S. Moore, Considerations of air flow in combustion chambers of high-speed compression-ignition engines, NACA TN 414, Apr 1932, pp. 16.

988. Fred E. Weick and Carl J. Wenzinger, Preliminary investigation of rolling moments obtained with spoilers on both slotted and plain wings, NACA TN 415, Apr 1932, pp. 28.

989. Eastman N. Jacobs, Characteristics of two sharp-nosed airfoils having reduced spinning tendencies, NACA TN 416, Apr 1932, pp. 16.

990. Fred E. Weick and Robert Sanders, Wind-tunnel tests of a Hall high-life wing, NACA TN 417, May 1932, pp. 10.

991. J. A. Spanogle, Compression-ignition engine tests of several fuels, NACA TN 418, May 1932, pp. 18.

992. Weick, Fred E Platt, Robert C , Wind-tunnel tests of the Fowler variable-area wing , NACA TN-419 , May 1932 , pp. 19 .

993. Ray Windler, The effect of propellers and nacelles on the landing speeds of tractor monoplanes, NACA TN 420, May 1932, pp. 21.

994. N. F. Scudder and M. P. Miller, The nature of air flow about the tail of an airplane in a spin, NACA TN 421, May 1932, pp. 10.

995. Fred E. Weick and Thomas E. Harris, The aerodynamic characteristics of a model wing having a split flap deflected downward and moved to the rear, NACA TN 422, May 1932, pp. 22.

996. Weick, Fred E Wenzinger, Carl J , Effect of length of Handley Page tip slots on the lateral-stability factor, damping in roll , NACA TN-423 , July 1932 , pp. 19 .

997. Dana W. Lee and Robert C. Spencer, Preliminary photomicrographic studies of fuel sprays, NACA TN 424, Jul 1932, pp. 14.

998. Melvin N. Gough and Ernest Johnson, Methods of visually determining the air flow around airplanes, NACA TN 425, Jul 1932, pp. 22.

999. Oscar W. Schey and Herman H. R. Ellerbrock, Comparative performance of a Powerplus vane-type supercharger and an N.A.C.A. Roots-type supercharger, NACA TN 426, Jul 1932, pp. 25.

1000. Eugene E. Lundquist, Strength tests on thin-walled duralumin cylinders in torsion, NACA TN 427, Aug 1932, pp. 22.

1001. Kenneth E. Ward, Characteristics of an airfoil as affected by fabric sag, NACA TN 428, Aug 1932, pp. 10.

1002. Oscar W. Schey and Arnold E. Biermann, Heat dissipation from a finned cylinder at different fin-plane/air-stream angles, NACA TN 429, Aug 1932, pp. 24.

1003. A. M. Rothrock and C. D. Waldron, Effect of engine operating conditions on the vaporization of safety fuels, NACA TN 430, Aug 1932, pp. 20.

1004. Eastman N. Jacobs and James M. Shoemaker, Tests on thrust augmenters for jet propulsion, NACA TN 431, Sep 1932, pp. 9.

1005. Ray Windler, Drag tests of 4/9-scale model engine nacelles with various cowlings, NACA TN 432, Oct 1932, pp. 22.

1006. Rhode, Richard V , The pressure distribution over a standard and a modified Navy elliptical wing tip on a biplane in flight , NACA TN-433 , October 1932 , pp. 34 .

1007. Gerrish, Harold C Voss, Fred , Influence of several factors on ignition lag in a compression-ignition engine , NACA TN-434 , November 1932 , pp. 18 .

1008. Moore, C S Collins, J H , Jr , The effect of clearance distribution on the performance of a compression-ignition engine , NACA TN-435 , November 1932 , pp. 28 .

1009. Moore, C S Collins, J H , The effect of connecting-passage diameter on the performance of a compression-ignition engine with a precombustion chamber , NACA TN-436 , November 1932 , pp. 28 .

1010. Rhode, Richard V , The pressure distribution over a long elliptical wing tip on a biplane in flight , NACA TN-437 , December 1932 , pp. 12 .

1011. Stevens, F W (Bureau of Standards) , The gaseous explosive reaction at constant pressure : further data on the effect of inert gases , NACA TN-438 , December 1932 , pp. 19 .

1012. Samuels, L T (Weather Bureau) , Meteorological conditions during the formation of ice on aircraft , NACA TN-439 , December 1932 , pp. 32 .

1013. Soule, Hartley A , Flight tests to determine the effect of a fixed auxiliary airfoil on the lift and drag of a parasol monoplane , NACA TN-440 , December 1932 , pp. 19 .

1014. Rothrock, A M , Combustion in a high-speed compression-ignition engine , NACA Report 401 , 1933 , pp. 15 .

1015. Gelalles, A G , Effect of orifice length-diameter ratio on fuel sprays for compression-ignition engines , NACA Report 402 , 1933 , pp. 12 .

1016. Theodorsen, Theodore Clay, William C , Ice prevention on aircraft by means of engine exhaust heat and a technical study of heat transmission from a Clark y airfoil , NACA Report 403 , 1933 , pp. 12 .

1017. Schey, Oscar W Rollin, Vern G , The effect of increased carburetor pressure on engine performance at several compression ratios , NACA Report 404 , 1933 , pp. 10 .

1018. Upson, Ralph H Klikoff, W A , Application of practical hydrodynamics to airship design , NACA Report 405 , 1933 , pp. 18 .

1019. Peck, W D Beard, A P , Drop and flight tests on NY-2 landing gears including measurements of vertical velocities at landing , NACA Report 406 , 1933 , pp. 13 .

1020. Weick, Fred E Wenzinger, Carl J , The characteristics of a Clark y wing model equipped with several forms of low-drag fixed slots , NACA Report 407 , 1933 , pp. 7 .

1021. Oswald, W Bailey , General formulas and charts for the calculation of airplane performance , NACA Report 408 , 1933 , pp. 55 .

1022. Theodorsen, Theodore Freeman, Ira M , The elimination of fire hazard due to back fires , NACA Report 409 , 1933 , pp. 7 .

1023. Theodorsen, Theodore , The theory of wind-tunnel wall interference , NACA Report 410 , 1933 , pp. 9 .

1024. Theodorsen, Theodore , Theory of wing sections of arbitrary shape , NACA Report 411 , 1933 , pp. 11 .

1025. Harris, Thomas A , The 7 by 10 foot wind tunnel of the National Advisory Committee for Aeronautics , NACA Report 412 , 1933 , pp. 7 .

1026. Rhode, Richard V Pearson, Henry A , A method for computing leading-edge loads , NACA Report 413 , 1933 , pp. 10 .

1027. Mcavoy, William H Schey, Oscar W Young, Alfred W , The effect on airplane performance of the factors that must be considered in applying low-drag cowling to radial engines , NACA Report 414 , 1933 , pp. 17 .

1028. Wood, Donald H , Tests of nacelle-propeller combinations in various positions with reference to wings. Part I : thick wing-N.A.C.A. cowled nacelle-tractor propeller , NACA Report 415 , 1933 , pp. 18 .

1029. Jacobs, Eastman N Abbott, Ira H , The NACA variable-density wind tunnel , NACA Report 416 NACA-TR-227 , 1933 , pp. 10 .

1030. Noyes, Richard W , Pressure distribution tests on a series of Clark y biplane cellules with special reference to stability , NACA Report 417 , 1933 , pp. 27 .

1031. Weick, Fred E , Preliminary investigation of modifications to conventional airplanes to give nonstalling and short-landing characteristics , NACA Report 418 , 1933 , pp. 14 .

1032. Weick, Fred E Wenzinger, Carl J , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack I : ordinary ailerons on rectangular wings , NACA Report 419 , 1933 , pp. 24 .

1033. Beij, K Hilding , Aircraft speed instruments , NACA Report 420 , 1933 , pp. 55 .

1034. Stickle, George W , Measurement of the differential and total thrust and torque of six full-scale adjustable-pitch propellers , NACA Report 421 , 1933 , pp. 20 .

1035. Weick, Fred E Noyes, Richard W , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack II : slotted ailerons and frise ailerons , NACA Report 422 , 1933 , pp. 14 .

1036. Weick, Fred E Wenzinger, Carl J , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack III : ordinary ailerons rigged up 10 degrees when neutral , NACA Report 423 , 1933 , pp. 14 .

1037. Weick, Fred E Harris, Thomas A , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack IV : floating tip ailerons on rectangular wings , NACA Report 424 , 1933 , pp. 23 .

1038. Lee, Dana W , The effect of nozzle design and operating conditions on the atomization and distribution of fuel sprays , NACA Report 425 , 1933 , pp. 17 .

1039. Brooks, D G Garlock, E A , The effect of humidity on engine power at altitude , NACA Report 426 , 1933 , pp. 7 .

1040. Weick, Fred E Shortal, Joseph A , The effect of multiple fixed slots and a trailing-edge flap on the lift and drag of a Clark Y airfoil , NACA Report 427 , 1933 , pp. 6 .

1041. Weick, Fred E Bamber, Millard J , Wind-tunnel tests of a Clark Y wing with a narrow auxiliary airfoil in different positions , NACA Report 428 , 1933 , pp. 11 .

1042. Rothrock, A M , The NACA apparatus for studying the formation and combustion of fuel sprays and the results from preliminary tests , NACA Report 429 NACA-TN-389 , 1933 , pp. 17 .

1043. Freeman, Hugh B , Measurements of flow in the boundary layer of a 1/40-scale model of the U. S. Airship "Akron." , NACA Report 430 , 1933 , pp. 13 .

1044. Zimmerman, C H , Characteristics of Clark Y airfoils of small aspect ratios , NACA Report 431 , 1933 , pp. 10 .

1045. Freeman, Hugh B , Force measurements on a 1/40-scale model of the U. S. Airship "Akron." , NACA Report 432 , 1933 , pp. 16 .

1046. Gelalles, A G Marsh, E T , Rates of fuel discharge as affected by the design of fuel-injection systems for internal-combustion engines , NACA Report 433 , 1933 , pp. 13 .

1047. Wheatley, John B , Lift and drag characteristics and gliding performance of an autogiro as determined in flight , NACA Report 434 , 1933 , pp. 8 .

1048. Rothrock, A M Waldron, C D , Fuel vaporization and its effect on combustion in a high-speed compression-ignition engine , NACA Report 435 , 1933 , pp. 23 .

1049. Dryden, Hugh L Monish, B H , The effect of area aspect ratio on the yawing moments of rudders at large angles of pitch on three fuselages , NACA Report 437 , 1933 , pp. 10 .

1050. Lee, Dana W , Experiments on the distribution of fuel in fuel sprays , NACA Report 438 NACA-TN-410. , 1933 , pp. 15 .

1051. Weick, Fred E Shortal, Joseph A , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack V : spoilers and ailerons on rectangular wings , NACA Report 439 , 1933 , pp. 16 .

1052. Castleman, R A , Jr , The mechanism of atomization accompanying solid injection , NACA Report 440 , 1933 , pp. 12 .

1053. Jacobs, Eastman N Ward, Kenneth E Pinkerton, Robert M , The characteristics of 78 related airfoil sections from tests in the variable-density wind tunnel , NACA Report 460 , 1933 , pp. 58 .

1054. Heald, R H (Bureau of Standards) , Rolling, yawing, and hinge moments produced by rectangular ailerons , NACA TN-441 , 1933 , pp. 16 .

1055. Schubauer, G B (Bureau of Standards) , Jet propulsion with special reference to thrust augmenters , NACA TN-442 , 1933 , pp. 72 .

1056. Weick, Fred E Wenzinger, Carl J , Wind tunnel research concerning lateral control devices, particularly at high angles of attack VII : Handley Page tip and full-span slots with ailerons and spoilers , NACA TN-443 , 1933 , pp. 39 .

1057. Burke, Walter F (University of Michigan) , Working charts for the stress analysis of elliptic rings , NACA TN-444 , 1933 , pp. 14 .

1058. Weick, Fred E Shortal, Joseph A , Wind tunnel research comparing lateral control devices, particularly at high angles of attack VIII : straight and skewed ailerons on wings with rounded tips , NACA TN-445 , February 1933 , pp. 26 .

1059. Weick, Fred E Scudder, Nathan F , The effect on lift, drag, and spinning characteristics of sharp leading edges on airplane wings , NACA TN-447 , February 1933 , pp. 26 .

1060. Heald, R H (Bureau of Standards) , Effect of aileron displacement on wing characteristics , NACA TN-448 , February 1933 , pp. 22 .

1061. Weick, Fred E Wenzinger, Carl J , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack IX : tapered wings with ordinary ailerons , NACA TN-449 , February 1933 , pp. 27 .

1062. Wilkie, J B (Bureau of Standards) , Mercerization of cotton for strength with special reference to aircraft cloth , NACA TN-450 , February 1933 , pp. 22 .

1063. Weick, Fred E Noyes, Richard W , Wind tunnel research comparing lateral control devices, particularly at high angles of attack X : various control devices on a wing with a fixed auxiliary airfoil , NACA TN-451 , March 1933 , pp. 27 .

1064. Lesley, E P (Stanford University) , Experiments with a counter-propeller , NACA TN-453 , March 1933 , pp. 16 .

1065. Spanogle, J A Buckley, E C , The N.A.C.A. combustion chamber gas-sampling valve and some preliminary test results , NACA TN-454 , March 1933 , pp. 18 .

1066. Lundquist, Eugene E , Comparison of three methods for calculating the compressive strength of flat and slightly curved sheet and stiffener combinations , NACA TN-455 , March 1933 , pp. 31 .

1067. Defrance, Smith J , The aerodynamic effect of a retractable landing gear , NACA TN-456 , March 1933 , pp. 7 .

1068. HOCKER RAY W , The aerodynamic characteristics of airfoils as affected by surface roughness , NACA TN-457 , April 1933 , pp. 22 .

1069. Weick, Fred E Harris, Thomas A , Wind tunnel research comparing lateral control devices, particularly at high angles of attack XI : various floating tip ailerons on both rectangular and tapered wings , NACA TN-458 , May 1933 , pp. 37 .

1070. Weick, Fred E Platt, Robert C , Wind-tunnel tests on model wing with Fowler flap and specially developed leading-edge slot , NACA TN-459 , May 1933 , pp. 17 .

1071. Hood, Manley J White, James A , Full-scale wind-tunnel research on tail buffeting and wing-fuselage interference of a low-wing monoplane , NACA TN-460 , May 1933 , pp. 40 .

1072. Dearborn, Clinton H , The effect of rivet heads on the characteristics of a 6 by 36 foot Clark Y metal airfoil , NACA TN-461 , May 1933 , pp. 14 .

1073. Miller, Roy A (Consolidated Aircraft Corporation) Wood, Karl D (Cornell University) , Formulas for the stress analysis of circular rings in a monocoque fuselage , NACA TN-462 , June 1933 , pp. 30 .

1074. Weick, Fred E Sanders, Robert , Aerodynamic tests of a low aspect ratio tapered wing with various flaps, for use on tailless airplanes , NACA TN-463 , June 1933 , pp. 13 .

1075. Shoemaker, James M Parkinson, John B , A complete tank test of a model of a flying-boat hull-N.A.C.A. Model No.11 , NACA TN-464 , July 1933 , pp. 31 .

1076. Marsh, E T Waldron, C D , Some characteristics of sprays obtained from pintle-type injection models , NACA TN-465 , July 1933 , pp. 13 .

1077. Schey, Oscar W Young, Alfred W , Engine performance with a hydrogenated safety fuel , NACA TN-466 , July 1933 , pp. 14 .

1078. Scudder, Nathan F , A study of factors affecting the steady spin of an airplane , NACA TN-468 , August 1933 , pp. 26 .

1079. Kuhn, Paul , A summary of design formulas for beams having thin webs in diagonal tension , NACA TN-469 , August 1933 , pp. 26 .

1080. Parkinson, John B , A complete tank test of a model of a flying-boat Hull - N.A.C.A. model no.11-A , NACA TN-470 , September 1933 , pp. 24 .

1081. Shoemaker, James H , A complete tank test of a model of flying-boat Hull - N.A.C.A. Model 16 , NACA TN-471 , September 1933 , pp. 21 .

1082. Wenzinger, Carl J , The effect of partial-span split flaps on the aerodynamic characteristics of a Clark Y wing , NACA TN-472 , September 1933 , pp. 10 .

1083. Bell, Joe W , Tank tests of two floats for high-speed seaplanes , NACA TN-473 , November 1933 , pp. 15 .

1084. Bamber, M J Zimmerman, C H , Effect of stabilizer location upon pitching and yawing moments in spins as shown by tests with the spinning balance , NACA TN-474 , November 1933 , pp. 21 .

1085. Wallace, Rudolf, N , The effect of split trailing-edge wing flaps on the aerodynamic characteristics of a parasol monoplane , NACA TN-475 , November 1933 , pp. 17 .

1086. Garlock, E A (Bureau of Standards) Ellis, Greer (Bureau of Standards) , The effect on engine performance of change in jacket-water outlet temperature , NACA TN-476 , November 1933 , pp. 13 .

1087. Sanders, Robert , Aerodynamic tests of a low aspect ratio tapered wing with an auxiliary airfoil for use on tailless airplanes , NACA TN-477 , November 1933 , pp. 13 .

1088. Soule, Hartley A Wetmore, J W , The effects of slots and flaps on lateral control of a low-wing monoplane as determined in flight , NACA TN-478 , November 1933 , pp. 24 .

1089. Lundquist, Eugene E , Strength tests of thin-walled duralumin cylinders in pure bending , NACA TN-479 , December 1933 , pp. 19 .

1090. Jacobs, Eastman N , The drag of streamline wires , NACA TN-480 , December 1933 , pp. 12 .

1091. Jacobs, Eastman N , The reduction in drag of a forward-sloping windshield , NACA TN-481 , December 1933 , pp. 8 .

1092. Dawson, John R , The effect of spray strips on a model of the P3M-1 flying boat hull , NACA TN-482 , December 1933 , pp. 17 .

1093. Anderson, Raymond F , Charts for determining the pitching moment of tapered wings with sweepback and twist , NACA TN-483 , December 1933 , pp. 23 .

1094. Scudder, Nathan F , A flight investigation of the spinning of the NY-1 airplane with varied mass distribution and other modifications, and an analysis based on wind-tunnel tests , NACA Report 441 , 1934 , pp. 16 .

1095. Soule, Hartley A Wheatley, John B , A comparison between the theoretical and measured longitudinal stability characteristics of an airplane , NACA Report 442 , 1934 , pp. 14 .

1096. Freeman, Hugh B , Pressure-distribution measurements on the hull and fins of scale model of the U. S. Airship "Akron." , NACA Report 443 , 1934 , pp. 13 .

1097. Weick, Fred E Harris, Thomas A , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack VI : skewed ailerons on rectangular wings , NACA Report 444 , 1934 , pp. 11 .

1098. Kuhn, Paul , Working charts for the determination of the lift distribution between biplane wings , NACA Report 445 , 1934 , pp. 15 .

1099. Jacobs, Eastman N , Airfoil section characteristics as affected by protuberances , NACA Report 446 , 1934 , pp. 16 .

1100. Diehl, Walter S , Static thrust of airplane propellers , NACA Report 447 , 1934 , pp. 6 .

1101. Mock, W C , Jr Dryden, H L , Improved apparatus for the measurement of fluctuations of air speed in turbulent flow , NACA Report 448 , 1934 , pp. 24 .

1102. Jacobs, Eastman N Sherman, Albert , Wing characteristics as affected by protuberances of short span , NACA Report 449 , 1934 , pp. 8 .

1103. Diehl, Walter S , The calculation of take-off run , NACA Report 450 , 1934 , pp. 8 .

1104. Abbott, Ira H , The drag of two streamline bodies as affected by protuberances and appendages , NACA Report 451 , 1934 , pp. 6 .

1105. Theodorsen, T Garrick, I E , General potential theory of arbitrary wing section , NACA Report 452 , 1934 , pp. 33 .

1106. Diehl, Walter S , The estimation of maximum load capacity of seaplanes and flying boats , NACA Report 453 , 1934 , pp. 3 .

1107. Lee, Dana W Spencer, Robert C , Photomicrographic studies of fuel sprays , NACA Report 454 , 1934 , pp. 25 .

1108. Rothrock, A M Marsh, E T , Penetration and duration of fuel sprays from a pump injection system , NACA Report 455 NACA-TN-395 , 1934 , pp. 8 .

1109. Bamber, M J Zimmerm, N, C h , The aerodynamic forces and moments exerted on a spinning model of the NY-1 airplane as measured by the spinning balance , NACA Report 456 , 1934 , pp. 13 .

1110. Thompson, F L Kirschbaum, H W , Maneuverability investigation of an O3U-1 observation airplane , NACA Report 457 , 1934 , pp. 12 .

1111. Diehl, Walter S , Relative loading on biplane wings , NACA Report 458 , 1934 , pp. 15 .

1112. Defrance, Smith J , The NACA full-scale wind tunnel , NACA Report 459 , 1934 , pp. 8 .

1113. Theodorsen, Theodore , Interference on an airfoil of finite span in an open wind tunnel , NACA Report 461 , 1934 , pp. 4 .

1114. Wood, Donald H , Tests of nacelle-propeller combinations in various positions with reference to wings III : Clark y wing - various radial-engine cowlings - tractor propeller , NACA Report 462 , 1934 , pp. 40 .

1115. Stack, John , The NACA high-speed wind tunnel and tests of six propeller sections , NACA Report 463 , 1934 , pp. 30 .

1116. Hartman, Edwin P , Negative thrust and torque characteristics of an adjustable-pitch metal propeller , NACA Report 464 , 1934 , pp. 11 .

1117. Garrick, I E , Determination of the theoretical pressure distribution for twenty airfoils , NACA Report 465 , 1934 , pp. 13 .

1118. Sontag, Harcourt Brombacher, W G , Aircraft power-plant instruments , NACA Report 466 NACA-TR-129 , 1934 , pp. 53 .

1119. Soule, Hartley A Miller, Marvel P , The experimental determination of the moments of inertia of airplanes , NACA Report 467 , 1934 , pp. 10 .

1120. Biermann, David Herrnstein, William H , Jr , The interference between struts in various combinations , NACA Report 468 , 1934 , pp. 10 .

1121. Spanogle, J A Hicks, C W Foster, H H , Increasing the air charge and scavenging the clearance volume of a compression-ignition engine , NACA Report 469 , 1934 , pp. 10 .

1122. Truscott, Starr , The NACA tank : a high-speed towing basin for testing models of seaplane floats , NACA Report 470 , 1934 , pp. 21 .

1123. Schey, Oscar W Young, Alfred W , Performance of a fuel-injection spark-ignition engine using a hydrogenated safety fuel , NACA Report 471 , 1934 , pp. 12 .

1124. Weick, Fred E Sanders, Robert , Wind-tunnel tests on combinations of a wing with fixed auxiliary airfoils having various chords and profiles , NACA Report 472 , 1934 , pp. 18 .

1125. Lundquist, Eugene E , Strength tests of thin-walled duralumin cylinders in compression , NACA Report 473 , 1934 , pp. 18 .

1126. Von Karman, TH Millikan, C , On the theory of laminar boundary layers involving separation , NACA Report 504 , 1934 , pp. 360 .

1127. Biechteler, Curt., Influence of cut-outs in elevator on the static longitudinal stability and on the static elevator effect, NACA Technical Memorandum 750, 1934, pp. 8.

1128. .

1129. .

1130. Stuper, J., Investigation of boundary layers on an airplane wing in free flight, NACA Technical Memorandum 751, 1934, pp. 16.

1131. .

1132. Hubner, Walter., Additional test data on static longitudinal stability, NACA Technical Memorandum 752, 1934, pp. 28.

1133. Stipa, Luigi., Stipa monoplane with Venturi fuselage, NACA Technical Memorandum 753, 1934, pp. 18.

1134. Wieselsberger, C., Contribution to the mutual interference of wing and propeller, NACA Technical Memorandum 754, 1934, pp. 18.

1135. .

1136. Teichmann, Alfred., Safety and design in airplane construction, NACA Technical Memorandum 755, 1934, pp. 14.

1137. Schussler, Karl., The behavior under shearing stress of duralumin strip with round, flanged holes, NACA Technical Memorandum 756, 1934, pp. 32.

1138. .

1139. .

1140. Wieselsberger, C., The Aachen wind-tunnel balance, NACA Technical Memorandum 757, 1934, pp. 6.

1141. Lutz, O., The processes in spring-loaded injection valves of solid injection oil engines, NACA Technical Memorandum 758, 1934, pp. 32.

1142. .

1143. Kosin, R., The effect of weight and drag on the sinking speed and lift/drag ratio of gliders, NACA Technical Memorandum 759, 1934, pp. 11.

1144. R. Schulz and W. Pleines, Technical Aspects of the 1934 International Touring Competition (Rundflug), NACA TM-760, December 1934, pp. 32.

1145. Ober, Shatswell (Massachusetts Institute of Technology, Cambridge, Mass) , Calculation of horsepower available : appendix to estimation of the variation of thrust horsepower with air speed , NACA TN-446 , July 1934 , pp. 3 .

1146. Hartman, Edwin P , A method of calculating the performance of controllable propellers with sample computations , NACA TN-484 , 1934 , pp. 39 .

1147. Spanogle, J A , A comparison of several methods of measuring ignition lag in a compression-ignition engine , NACA TN-485 , 1934 , pp. 16 .

1148. Shoemaker, James M Dawson, John R , The effect of trim angle on the take-off performance , NACA TN-486 , 1934 , pp. 20 .

1149. Anderson, Raymond F , Tests of three tapered airfoils based on the N.A.C.A. 2200, the N.A.C.A.-M6, and the Clark Y sections , NACA TN-487 , 1934 , pp. 14 .

1150. Shoemaker, James M , A complete tank test of a flying-boat hull with a pointed step -N.A.C.A. Model No. 22 , NACA TN-488 , February 1934 , pp. 26 .

1151. Parkinson, John B , Tank tests of auxiliary vanes as a substitute for planing area , NACA TN-490 , February 1934 , pp. 13 .

1152. Shoemaker, James M Parkinson, John B , Tank tests of a family of flying-boat hulls , NACA TN-491 , February 1934 , pp. 29 .

1153. Wheatley, John B , The aerodynamic analysis of the gyroplane rotating-wing system , NACA TN-492 , March 1934 , pp. 29 .

1154. Bamber, Millard J , Aerodynamic rolling and yawing moments produced by floating wing-tip ailerons, as measured by spinning balance , NACA TN-493 , March 1934 , pp. 12 .

1155. (Author(s) Not Available) , Hazards to aircraft due to electrical phenomena , NACA TN-494 , March 1934 , pp. 6 .

1156. Defrance, S J , Effect of the surface condition of a wing on the aerodynamic characteristics of an airplane , NACA TN-495 , April 1934 , pp. 8 .

1157. Buckley, E C Waldron, C D , A preliminary motion-picture study of combustion in a compression-ignition engine , NACA TN-496 , April 1934 , pp. 13 .

1158. Dearborn, C H , Full-scale drag tests of landing lamps , NACA TN-497 , May 1934 , pp. 9 .

1159. Wenzinger, Carl J , Wind-tunnel measurements of air loads on split flaps , NACA TN-498 , May 1934 , pp. 16 .

1160. Shortal, J A , Effect of retractable-spoiler location on rolling- and yawing-moment coefficients , NACA TN-499 , July 1934 , pp. 17 .

1161. Kuhn, Paul , The torsional stiffness of thin duralumin shells subjected to large torques , NACA TN-500 , July 1934 , pp. 16 .

1162. Brevoort, M J , Landing-shock recorder , NACA TN-501 , July 1934 , pp. 13 .

1163. Hubbard, John D (Department of Aero. Engineering, University of Detroit.) Brescoll, George P (Department of Aero. Engineering, University of Detroit) , Aerodynamic investigation of a cup anemometer , NACA TN-502 , July 1934 , pp. 33 .

1164. Brombacher, W G (Bureau of Standards) , Measurement of altitude in blind flying , NACA TN-503 , August 1934 , pp. 41 .

1165. Shoemaker, James M Bell, Joe W , Complete tank tests of two flying-boat hulls with pointed steps - N.A.C.A. Models 22-A and 35 , NACA TN-504 , September 1934 , pp. 36 .

1166. Wenzinger, Carl J , The effects of full-span and partial-span split flaps on the aerodynamic characteristics of a tapered wing , NACA TN-505 , September 1934 , pp. 11 .

1167. Schliestett, George Van (Daniel Guggenheim School of Aeronautics, Georgia School of Technology) , Experimental verification of Theodorsen's theoretical jet-boundary correction factors , NACA TN-506 , October 1934 , pp. 36 .

1168. Peck, William C , Landing characteristics of an autogiro , NACA TN-508 , November 1934 , pp. 13 .

1169. Shoemaker, James M , Tank tests of flat and v-bottom planning surfaces , NACA TN-509 , November 1934 , pp. 52 .

1170. Parkinson, J E Bell, J W , The calculated effect of trailing-edge flaps on the take-off of flying boats , NACA TN-510 , November 1934 , pp. 19 .

1171. Higgins, George J (Aeronautical Engineering Department, University of Michigan) , A study of the pitching moments and the stability characteristics of monoplanes , NACA TN-511 , November 1934 , pp. 26 .

1172. Dawson, John R , A complete tank test of the hull of the Sikorsky S-40 flying boat - American Clipper Class , NACA TN-512 , December 1934 , pp. 24 .

1173. Truscott, Starr , The wave suppressor used in the N.A.C.A. tank , NACA TN-513 , December 1934 , pp. 7 .

1174. Moore, C S Collins, J H , Jr , Effect of combustion-chamber shape on the performance of a prechamber compression-ignition engine , NACA TN-514 , December 1934 , pp. 15 .

1175. Bamber, M J , Aerodynamic effects of a split flap on the spinning characteristics of a monoplane model , NACA TN-515 , December 1934 , pp. 15 .

1176. Wheatley, John B , Wing pressure distribution and rotor-blade motion of an autogiro as determined in flight , NACA Report 475 , 1935 , pp. 9 .

1177. Gerrish, Harold C Tessmann, Arthur M , Relation of hydrogen and methane to carbon monoxide in exhaust gases from internal-combustion engines , NACA Report 476 , 1935 , pp. 9 .

1178. Rothrock, A M Marsh, E T , Effect of viscosity on fuel leakage between lapped plungers and sleeves and on the discharge from a pump-injection system , NACA Report 477 , 1935 , pp. 15 .

1179. Theodorsen, Theodore Silverstein, Abe , Experimental verification of the theory of wind-tunnel boundary interference , NACA Report 478 , 1935 , pp. 15 .

1180. Donnell, L H , Stability of thin-walled tubes under torsion , NACA Report 479 , 1935 , pp. 22 .

1181. Sherman, Albert , The aerodynamic effects of wing cut-outs , NACA Report 480 , 1935 , pp. 6 .

1182. Hartman, Edwin P , Working charts for the determination of propeller thrust at various air speeds , NACA Report 481 , 1935 , pp. 19 .

1183. White, James A Hood, Manley J , Wing-fuselage interference, tail buffeting, and air flow about the tail of a low-wing monoplane , NACA Report 482 , 1935 , pp. 19 .

1184. Rothrock, A M Spencer, R C , Effect of moderate air flow on the distribution of fuel sprays after injection cut-0ff , NACA Report 483 , 1935 , pp. 21 .

1185. Scudder, N F , A flight investigation of the effect of mass distribution and control setting on the spinning of the XN2Y-1 airplane , NACA Report 484 , 1935 , pp. 8 .

1186. Herrnstein, William H Biermann, David , The drag of airplane wheels, wheel fairings, and landing gears - I , NACA Report 485 , 1935 , pp. 30 .

1187. Marvin, Charles F , Jr Caldwell, Frank R Steele, Sydney , Infrared radiation from explosions in a spark-ignition engine , NACA Report 486 , 1935 , pp. 12 .

1188. Wheatley, John B , An aerodynamic analysis of the autogiro rotor with a comparison between calculated and experimental results , NACA Report 487 , 1935 , pp. 15 .

1189. Biermann, Arnold, E Pinkel, Benjamin , Heat transfer from finned metal cylinders in an air stream , NACA Report 488 , 1935 , pp. 20 .

1190. Thompson, F L Peck, W C Beard, A P , Air conditions close to the ground and the effect on airplane landings , NACA Report 489 , 1935 , pp. 13 .

1191. Mutchler, Willard , The weathering of aluminum alloy sheet materials used in aircraft , NACA Report 490 , 1935 , pp. 33 .

1192. Theodorsen, Theodore Gelalles, A G , Vibration response of airplane structures , NACA Report 491 , 1935 , pp. 20 .

1193. Stack, John Von Doenhoff, Albert E , Tests of 16 related airfoils at high speed , NACA Report 492 , 1935 , pp. 21 .

1194. Draper, C S , The physical effects of detonation in a closed cylindrical chamber , NACA Report 493 , 1935 , pp. 19 .

1195. Weick, Fred E Soule, Hartley A Gough, Melvin N , A flight investigation of the lateral control characteristics of short wide ailerons and various spoilers with different amounts of wing dihedral , NACA Report 494 , 1935 , pp. 14 .

1196. Spanogle, J A Whitney, E G , A description and test results of a spark-ignition and a compression-ignition 2-stroke-cycle engine , NACA Report 495 , 1935 , pp. 17 .

1197. Theodorsen, Theodore , General theory of aerodynamic instability and the mechanism of flutter , NACA Report 496 , 1935 , pp. 23 .

1198. Dryden, Hugh L , Computation of the two-dimensional flow in a laminar boundary layer , NACA Report 497 , 1935 , pp. 9 .

1199. Clay, William C , Improved airplane windshields to provide vision in stormy weather , NACA Report 498 , 1935 , pp. 17 .

1200. Weick, Fred E Wenzinger, Carl J , Wind-tunnel research comparing lateral control devices, particularly at high angles of attack XII : upper-surface ailerons on wings with split flaps , NACA Report 499 , 1935 , pp. 15 .

1201. Rhode, Richard V , The influence of tip shape on the wing load distribution as determined by flight tests , NACA Report 500 , 1935 , pp. 20 .

1202. Diehl, Walter S , Relative loading on biplane wings of unequal chords , NACA Report 501 , 1935 , pp. 4 .

1203. Silverstein, Abe , Scale effect on Clark Y airfoil characteristics from NACA full-scale wind-tunnel tests , NACA Report 502 , 1935 , pp. 13 .

1204. Truscott, Starr , The effect of spray strips on the take-off performance of a model of a flying-boat hull , NACA Report 503 , 1935 , pp. 17 .

1205. Mchugh, James G , Tests of nacelle-propeller combinations in various positions with reference to wings IV : thick wing - various radial-engine cowlings - tandem propellers , NACA Report 505 , 1935 , pp. 41 .

1206. Valentine, E Floyd , Tests of nacelle-propeller combinations in various positions with reference to wings V : Clark Y biplane cellule - NACA cowled nacelle - tractor propeller , NACA Report 506 , 1935 , pp. 15 .

1207. Wood, Donald H Bioletti, Carlton , Tests of nacelle-propeller combinations in various positions with reference to wings VI : wings and nacelles with pusher propeller , NACA Report 507 , 1935 , pp. 31 .

1208. Georgii, W., Gliding in convection currents, NACA Technical Memorandum 761, 1935, pp. 10.

1209. .

1210. Lippisch, A., Effect of aerodynamic design on glider performance, NACA Technical Memorandum 762, 1935, pp. 18.

1211. Doetsch, Hans., The heat transfer of cooling fins on moving air, NACA Technical Memorandum 763, 1935, pp. 41.

1212. Muttray, H., The aerodynamic aspect of wing-fuselage fillets, NACA Technical Memorandum 764, 1935, pp. 20.

1213. .

1214. Leglise, Pierre., The 1934 contest for the Deutsch de la Meurthe trophy, NACA Technical Memorandum 765, 1935, pp. 59.

1215. Malmer, Ivar., The aeronautical laboratory of the Stockholm Technical Institute, NACA Technical Memorandum 766, 1935, pp. 23.

1216. Betz, A., Modification of wing-section shape to assure a predetermined change in pressure distribution, NACA Technical Memorandum 767, 1935, pp. 21.

1217. .

1218. .

1219. Muttray, H., The interdependence of profile drag and lift with Joukowski type and related airfoils, NACA Technical Memorandum 768, 1935, pp. 19.

1220. .

1221. Cicala, Placido., The bending of beams with thin tension flanges, NACA Technical Memorandum 769, 1935, pp. 16.

1222. Eula, Antonio., Hydrodynamic tests of models of seaplane floats, NACA Technical Memorandum 770, 1935, pp. 27.

1223. .

1224. Le Sueur, Maurice., Ground effect on the take-off and landing of airplanes, NACA Technical Memorandum 771, 1935, pp. 44.

1225. The Denis-Gruson six-component wind-tunnel balance, NACA Technical Memorandum 772, 1935, pp. 11.

1226. Oskar Schrenk, Experiments with suction-type wings, NACA TM-773, August 1935, pp. 50.

1227. Wagner, H. and Ballerstedt, W., Tension fields in originally curved, thin sheets during shearing stresses, NACA Technical Memorandum 774, 1935, pp. 14.

1228. Kiel, G., Total-head meter with small sensitivity to yaw, NACA Technical Memorandum 775, 1935, pp. 10.

1229. .

1230. Venediger, Herbert J., A discussion of the several types of two-stroke-cycle engines, NACA Technical Memorandum 776, 1935, pp. 34.

1231. .

1232. Hoerner, S., Tests of spheres with reference to Reynolds number, turbulence, and surface roughness, NACA Technical Memorandum 777, 1935, pp. 36.

1233. .

1234. Lippisch, A., Method for the determination of the spanwise lift distribution, NACA Technical Memorandum 778, 1935, pp. 47.

1235. .

1236. Muller, J., Weldability of high-tensile steels from experience in airplane construction, with special reference to welding crack susceptibility, NACA Technical Memorandum 779, 1935, pp. 28.

1237. .

1238. Shenstone, B. S. and Scott-Hall, S., Glider development in Germany :a technical survey of progress in design in Germany since 1922, NACA Technical Memorandum 780, 1935, pp. 19.

1239. Taylor, E S (Massachusetts Institute of Technology, Cambridge, Mass) , The importance of auto-ignition lag in knocking , NACA TN-452 , March 1935 , pp. 10 .

1240. Theodorsen, T , Propeller vibrations and the effect of the centrifugal force , NACA TN-516 , February 1935 , pp. 19 .

1241. Bamber, M J Zimmerman, C H , The aerodynamic forces and moments on a spinning model of the F4B-2 airplane as measured by the spinning balance , NACA TN-517 , February 1935 , pp. 21 .

1242. Moore, C S Foster, H H , Performance tests of a single-cylinder compression-ignition engine with a displacer piston , NACA TN-518 , February 1935 , pp. 23 .

1243. Stowell, E Z Deming, A F , Vortex noise from rotating cylindrical rods , NACA TN-519 , February 1935 , pp. 18 .

1244. Datwyler, G , Calculations of the effect of wing twist on the air forces acting on a monoplane wing , NACA TN-520 , 1935 , pp. 27 .

1245. Parsons, John F , Full-scale force and pressure-distribution tests on a tapered U.S.A. 45 airfoil , NACA TN-521 , March 1935 , pp. 16 .

1246. Dawson, John R , Tank tests of a model of a flying-boat hull with a fluted bottom , NACA TN-522 , March 1935 , pp. 13 .

1247. Lundquiest, Eugene E , Strength tests of thin-walled duralumin cylinders in combined transverse shear and bending , NACA TN-523 , April 1935 , pp. 29 .

1248. Noyes, Richard W , Wind-tunnel tests of a wing with a trailing-edge auxiliary airfoil used as a flap , NACA TN-524 , 1935 , pp. 13 .

1249. Hartman, Edwin P , The aerodynamic drag of flying-boat hull model as measured in the NACA 20-foot wind tunnel I. , NACA TN-525 , April 1935 , pp. 24 .

1250. Bamber, M J , Spinning characteristics of wings II : rectangular Clark Y biplane cellule: 25 percent stagger; 0 degree decalage; gap/chord 1.0 , NACA TN-526 , April 1935 , pp. 35 .

1251. Lundquist, Eugene E Burke, Walter F , Strength tests of thin-walled duralumin cylinders of elliptic section , NACA TN-527 , May 1935 , pp. 35 .

1252. Wheatley, John B Windler, Ray , Wind-tunnel tests of a cyclogiro rotor , NACA TN-528 , May 1935 , pp. 39 .

1253. Schwartz, A Murray (Stanford University) Bogert, Reid (Stanford University) , Analysis of a strut with a single elastic support in the span, with applications to the design of airplane jury-strut systems , NACA TN-529 , May 1935 , pp. 82 .

1254. Kuhn, Paul , Bending stresses due to torsion in cantilever box beams , NACA TN-530 , June 1935 , pp. 26 .

1255. Parkinson, J B , Tank tests of model 11-G flying-boat hull , NACA TN-531 , June 1935 , pp. 23 .

1256. Sontag, Harcourt (National Bureau of Standards) Borlik, E L (National Bureau of Standards) , Method of testing oxygen regulators , NACA TN-532 , June 1935 , pp. 10 .

1257. Taylor, E S (Massachusetts Institute of Technology) , The thermodynamics of combustion in the Otto cycle engine , NACA TN-533 , June 1935 , pp. 8 .

1258. James, Benjamin Wylie (Stanford University) , Principal effects of axial load on moment-distribution analysis of rigid structures , NACA TN-534 , July 1935 , pp. 60 .

1259. Bell, Joe W , The effect of depth of step on the water performance of a flying-boat hull model , NACA TN-535 , July 1935 , pp. 43 .

1260. Desmond, G L (Aerodynamical Laboratory, U.S.N) Mccrary, J A (Aerodynamical Laboratory, U.S.N) , The 6-foot-4-inch wind tunnel at the Washington Navy Yard , NACA TN-536 , August 1935 , pp. 21 .

1261. Scudder, N F Kirschbaum, H W , A preliminary determination of normal accelerations on racing airplanes , NACA TN-537 , August 1935 , pp. 9 .

1262. Dawson, John R , A general tank test of NACA model 11-C flying-boat hull, including the effect of changing the plan form of the step , NACA TN-538 , August 1935 , pp. 25 .

1263. Zimmerman, C H , Aerodynamic characteristics of several airfoils of low aspect ratio , NACA TN-539 , August 1935 , pp. 15 .

1264. Burke, Walter F , A deflection formula for single-span beams of constant section subjected to combined axial and transverse loads , NACA TN-540 , September 1935 , pp. 45 .

1265. Allison, John M , The effect of the angle of afterbody on the water performance of a flying-boat hull model , NACA TN-541 , September 1935 , pp. 48 .

1266. Kuhn, Paul , The initial torsional stiffness of shells with interior webs , NACA TN-542 , September 1935 , pp. 25 .

1267. Stack, John , The compressibility bubble , NACA TN-543 , October 1935 , pp. 21 .

1268. Von Doenhoff, Albert E , An application of the von Karman-Millikan laminar boundary-layer theory and comparison with experiment , NACA TN-544 , October 1935 , pp. 21 .

1269. Parkinson, J B , Tank tests of a model of a flying-boat hull having a longitudinally concave planing bottom , NACA TN-545 , November 1935 , pp. 23 .

1270. Weick, Fred E Shortal, Joseph A , Development of the NACA slot-lip aileron , NACA TN-547 , November 1935 , pp. 24 .

1271. Soule, H A , Flight tests of a balanced split flap with particular reference to rapid operation , NACA TN-548 , December 1935 , pp. 20 .

1272. Defrance, S J , Drag of prestone and oil radiators on the YO-31A airplane , NACA TN-549 , December 1935 , pp. 9 .

1273. Kuhn, Paul , Analysis of 2-spar cantilever wings with special reference to torsion and load transference , NACA Report 508 , 1936 , pp. 23 .

1274. Lundquist, Eugene E Burke, Walter F , General equations for the stress analysis of rings , NACA Report 509 , 1936 , pp. 10 .

1275. Weick, Fred E Noyes, Richard W , Wind-tunnel research comparing lateral control devices particularly at high angles of attack XIII : auxiliary airfoils used as external ailerons , NACA Report 510 , 1936 , pp. 22 .

1276. Schey, Oscar W Rollin, Vern G , The effect of baffles on the temperature distribution and heat-transfer coefficients of finned cylinders , NACA Report 511 , 1936 , pp. 13 .

1277. Rothrock, A M Cohn, Mildred , Some factors affecting combustion in an internal-combustion engine , NACA Report 512 , 1936 , pp. 17 .

1278. Brevoort, M J Joyner, U T , Experimental investigation of the Robinson-type cup anemometer , NACA Report 513 , 1936 , pp. 24 .

1279. Gough, Melvin N , The measurement of the field of view from airplane cockpits , NACA Report 514 , 1936 , pp. 12 .

1280. Wheatley, John B Hood, Manley J , Full-scale wind-tunnel tests of a PCA-2 autogiro rotor , NACA Report 515 , 1936 , pp. 10 .

1281. Kaplan, Carl , Potential flow about elongated bodies of revolution , NACA Report 516 , 1936 , pp. 20 .

1282. Soule, H A Mcavoy, W H , Flight investigation of lateral control devices for use with full-span flaps , NACA Report 517 , 1936 , pp. 11 .

1283. Biermann, David Herrnstein, William H , Jr , The drag of airplane wheels, wheel fairings, and landing gears II : nonretractable and partly retractable landing gears , NACA Report 518 , 1936 , pp. 10 .

1284. Bamber, M J Zimmerman, C H , Spinning characteristics of wings I : rectangular Clark Y monoplane wing , NACA Report 519 , 1936 , pp. 20 .

1285. Lee, Dana W , A comparison of fuel sprays from several types of injection nozzles , NACA Report 520 , 1936 , pp. 38 .

1286. Zimmerman, Charles H , An analysis of longitudinal stability in power-off flight with charts for use in design , NACA Report 521 , 1936 , pp. 39 .

1287. Herrnstein, William H , Jr Biermann, David , The drag of airplane wheels, wheel fairings, and landing gears - III , NACA Report 522 , 1936 , pp. 11 .

1288. Wheatley, John B , The influence of wing setting on the wing load and rotor speed of a PCA-2 autogiro as determined in flight , NACA Report 523 , 1936 , pp. 4 .

1289. Schubauer, G B , A turbulence indicator utilizing the diffusion of heat , NACA Report 524 , 1936 , pp. 9 .

1290. Rothrock, A M Waldron, C D , Some effects of injection advance angle, engine-jacket temperature, and speed on combustion in a compression-ignition engine , NACA Report 525 , 1936 , pp. 15 .

1291. Stowell, E Z Deming, A F , Noise from two-blade propellers , NACA Report 526 , 1936 , pp. 9 .

1292. Schubauer, G B , Air flow in a separating laminar boundary layer , NACA Report 527 , 1936 , pp. 12 .

1293. Harris, Thomas A , Reduction of hinge moments of airplane control surfaces by tabs , NACA Report 528 , 1936 , pp. 32 .

1294. Scudder, N F Seidman, Oscar , A flight investigation of the spinning of the F4B-2 biplane with various loads and tail surfaces , NACA Report 529 , 1936 , pp. 22 .

1295. Jacobs, Eastman N Clay, William C , Characteristics of the NACA 23012 airfoil from tests in the full-scale and variable-density tunnels , NACA Report 530 , 1936 , pp. 10 .

1296. Fiock, Ernest F King, H Kendall , The effect of water vapor on flame velocity in equivalent carbon monoxide and oxygen mixtures , NACA Report 531 , 1936 , pp. 6 .

1297. Fiock, Ernest F Roeder, Carl H , The soap-bubble method of studying the combustion of mixtures of carbon monoxide and oxygen , NACA Report 532 , 1936 , pp. 14 .

1298. Rothrock, A M Marsh, E T , Distribution and regularity of injection from a multicylinder fuel-injection pump , NACA Report 533 , 1936 , pp. 12 .

1299. Platt, Robert C , Aerodynamic characteristics of a wing with Fowler flaps including flap loads, downwash, and calculated effect on take-off , NACA Report 534 , 1936 , pp. 17 .

1300. Gerrish, Harold C Foster, H , Hydrogen as an auxiliary fuel in compression-ignition engines , NACA Report 535 , 1936 , pp. 6 .

1301. Wheatley, John B Bioletti, Carlton , Wind-tunnel tests of a 10-foot-diameter gyroplane rotor , NACA Report 536 , 1936 , pp. 10 .

1302. Jacobs, Eastman N Pinkerton, Robert M , Tests in the variable-density wind tunnel of related airfoils having the maximum camber unusually far forward , NACA Report 537 , 1936 , pp. 9 .

1303. Brombacher, W G , Altitude-pressure tables based on the United States standard atmosphere , NACA Report 538 NACA-TR-246 , 1936 , pp. 14 .

1304. Wallace, Rudolf , Investigation of full-scale split trailing-edge wing flaps with various chords and hinge locations , NACA Report 539 , 1936 , pp. 16 .

1305. Jacobs, Eastman N Ward, Kenneth E , Interference of wing and fuselage from tests of 209 combinations in the NACA variable-density tunnel , NACA Report 540 , 1936 , pp. 37 .

1306. Platt, Robert C , Aerodynamic characteristics of wings with cambered external airfoil flaps, including lateral control, with a full-span flap , NACA Report 541 , 1936 , pp. 17 .

1307. Kussner, H. G., Status of wing flutter, NACA Technical Memorandum 782, 1936, pp. 55.

1308. .

1309. Liebers, F., Analysis of the three lowest bending frequencies of a rotating propeller, NACA Technical Memorandum 783, 1936, pp. 18.

1310. Wagner, H. and Pretschner, W., Torsion and buckling of open sections, NACA Technical Memorandum 784, 1936, pp. 19.

1311. Heck, O. S. and Ebner, H., Methods and formulas for calculating the strength of plate and shell constructions as used in airplane design, NACA Technical Memorandum 785, 1936, pp. 44.

1312. .

1313. Noth, H. and Polte, W., The formation of ice on airplanes, NACA Technical Memorandum 786, 1936, pp. 19.

1314. .

1315. Kramer, M., The 5- by 7-meter wind tunnel of the DVL, NACA Technical Memorandum 788, 1936, pp. 14.

1316. Forthmann. E., Turbulent jet expansion, NACA Technical Memorandum 789, 1936, pp. 19.

1317. .

1318. Holfelder, Otto., Ignition and flame development in the case of diesel fuel injection, NACA Technical Memorandum 790, 1936, pp. 48.

1319. .

1320. Schmidbauer, Hans., Behavior of turbulent boundary layers on curved convex walls, NACA Technical Memorandum 791, 1936, pp. 32.

1321. .

1322. Tollmien, W., General instability criterion of laminar velocity distributions, NACA Technical Memorandum 792, 1936, pp. 38.

1323. .

1324. Huber, Maximilian T., Bending of beams of thin sections, NACA Technical Memorandum 793, 1936, pp. 16.

1325. Dufaure De Lajarte, A., Chief characteristics and advantages of tailless airplanes, NACA Technical Memorandum 794, 1936, pp. 45.

1326. Gruson, M. F., Similitude in hydrodynamic tests involving planing, NACA Technical Memorandum 795, 1936, pp. 9.

1327. Stuper, J., Contribution to the problem of airfoils spanning a free jet, NACA Technical Memorandum 796, 1936, pp. 36.

1328. .

1329. Wentzel, W., Ignition process in Diesel engines, NACA Technical Memorandum 797, 1936, pp. 26.

1330. .

1331. .

1332. Winter, H., Flow phenomena on plates and airfoils of short span, NACA Technical Memorandum 798, 1936, pp. 32.

1333. Ferrari, C., The transport of vorticity through fluids in turbulent motion : in the light of the Prandtl and Taylor theories, NACA Technical Memorandum 799, 1936, pp. 33.

1334. Borkmann, K., Charts for checking the stability of compression members in trusses, NACA Technical Memorandum 800, 1936, pp. 25.

1335. Herbert Wagner, Torsion and Buckling of Open Sections, NACA TM 807, October 1936, pp. 18, (Translated from the 25th Anniversary Number of the Technische Hochscule, Danzig, 1904-1929, pp. 329-343).

1336. .

1337. .

1338. .

1339. Gough, M N Beard, A P , Limitations of the pilot in applying forces to airplane controls , NACA TN-550 , 1936 , pp. 24 .

1340. Dawson, John R , Tank tests of three models of flying-boat hulls of the pointed-step type with different angles of dead rise - NACA model 35 series , NACA TN-551 , 1936 , pp. 41 .

1341. Weick, Fred E , Wind-tunnel tests of wing flaps suitable for direct control of glide-path angle , NACA TN-552 , 1936 , pp. 18 .

1342. Gough, Melvin N , Notes on the technique of landing airplanes equipped with wing flaps , NACA TN-553 , 1936 , pp. 13 .

1343. Kaplan, Carl , Circular motion of bodies of revolution , NACA TN-554 , February 1936 , pp. 19 .

1344. McAvoy, W. H., Piloting technique for recovery from spins, NACA Technical Note 555, 1936, pp. 8.

1345. Hartman, Edwin P., Considerations of the take-off problem, NACA Technical Note 557, 1936, pp. 18.

1346. .

1347. .

1348. Schey, Oscar W Ellerbrock, Herman H , Jr , The performance of a DePalma Roots-type supercharger , NACA TN-558 , March 1936 , pp. 25 .

1349. Brevoort, Maurice J , Combustion-engine temperatures by the sodium line-reversal method , NACA TN-559 , March 1936 , pp. 12 .

1350. Sullivan, J E (Bureau of Aeronautics, Navy Department) , A comparison of corrosion-resistant steel (18 percent chromium - 8 percent nickel) and aluminum alloy (24st) , NACA TN-560 , March 1936 , pp. 13 .

1351. Parsons, John F , Full-scale wind-tunnel to determine a satisfactory location for a service Pitot-static tube on a low-wing monoplane , NACA TN-561 , March 1936 , pp. 34 .

1352. Kuhn, Paul , Remarks on the elastic axis of shell wings , NACA TN-562 , April 1936 , pp. 13 .

1353. Parkinson, J B , Tank tests of models of floats for single-float seaplanes First series. , NACA TN-563 , April 1936 , pp. 28 .

1354. Thompson, F L , Procedure for determining speed and climbing performance of airships , NACA TN-564 , April 1936 , pp. 40 .

1355. Gerrish, Harold C Ayer, Bruce E , Influence of fuel-oil temperature on the combustion in a prechamber compression-ignition engine , NACA TN-565 , 1936 , pp. 23 .

1356. Bell, Joe W , Tank tests of a model of the NC flying-boat hull - N.A.C.A. model 44 , NACA TN-566 , May 1936 , pp. 27 .

1357. Jacobs, Eastman N Pinkerton, Robert M , Tests of N.A.C.A. airfoils in the variable-density wind tunnel Series 230. , NACA TN-567 , May 1936 , pp. 15 .

1358. Wetmore, J W , Calculated effect of various types of flap on take-off over obstacles , NACA TN-568 , May 1936 , pp. 25 .

1359. Moore, Charles S Foster, Hampton H , Boosted performance of a compression-ignition engine with a displaced piston , NACA TN-569 , May 1936 , pp. 22 .

1360. Zimmerman, C H , Effect of changes in tail arrangement upon the spinning of a low-wing monoplane model , NACA TN-570 , June 1936 , pp. 13 .

1361. Pearson, H A , A method of estimating the aerodynamic effects of ordinary and split flaps of airfoils similar to the Clark Y , NACA TN-571 , June 1936 , pp. 32 .

1362. Schey, Oscar W Ellerbrock, Herman H , Jr , Performance of air-cooled engine cylinders using blower cooling , NACA TN-572 , July 1936 , pp. 31 .

1363. Womack, S H J (National Bureau of Standards) Peterson, J B (National Bureau of Standards) , Carbon-monoxide indicators for aircraft , NACA TN-573 , July 1936 , pp. 21 .

1364. Allison, John M Ward, Kenneth E , Tank tests of models of flying boat hulls having longitudinal steps , NACA TN-574 , July 1936 , pp. 58 .

1365. Kirschbaum, H W , Estimation of moments of inertia of airplanes from design data , NACA TN-575 , July 1936 , pp. 11 .

1366. Allison, John M , Tanks test of a model of the hull of the Navy PB-1 flying boat - N.A.C.A. Model 52 , NACA TN-576 , August 1936 , pp. 28 .

1367. Moore, Charles S Collins, John H , Jr , Friction of compression-ignition engines , NACA TN-577 , August 1936 , pp. 23 .

1368. Dearborn, C H Soule, H A , Full-scale wind-tunnel and flight tests of a Fairchild 22 airplane equipped with a Fowler flap , NACA TN-578 , August 1936 , pp. 45 .

1369. White, Roland J (California Institute of Technology) Martin, Victor J (California Institute of Technology) , Charts for calculating the performance of airplanes having constant-speed propellers , NACA TN-579 , September 1936 , pp. 22 .

1370. Dawson, John R Truscott, Starr , A general tank test of a model of the hull of the British Singapore IIC flying boat , NACA TN-580 , September 1936 , pp. 30 .

1371. Wheatley, John B , A study of autogiro rotor-blade oscillations in the plane of the rotor disk , NACA TN-581 , September 1936 , pp. 26 .

1372. Wheatley, John B Bioletti, Carlton , Analysis and model tests of autogiro jump take-off , NACA TN-582 , October 1936 , pp. 33 .

1373. Gerrish, Harold C Voss, Fred , Mixture distribution in a single-row radial engine , NACA TN-583 , October 1936 , pp. 19 .

1374. Schey, Oscar W Pinkel, Benjamin , Effect of several factors on the cooling of a radial engine in flight , NACA TN-584 , November 1936 , pp. 19 .

1375. Brueggeman, Wm C (National Bureau of Standards) , Mechanical properties of aluminum-alloy rivets , NACA TN-585 , November 1936 , pp. 37 .

1376. Donely, Philip , The forces and moments on airplane engine mounts , NACA TN-587 , December 1936 , pp. 22 .

1377. Garrick, I E , Potential flow about arbitrary biplane wing sections , NACA Report 542 , 1937 , pp. 29 .

1378. Parkinson, John B Dawson, John R , Tank tests of NACA model 40 series of hulls for small flying boats and amphibians , NACA Report 543 , 1937 , pp. 29 .

1379. Cohn, Mildred Spencer, Robert C , Combustion in a bomb with a fuel-injection system , NACA Report 544 , 1937 , pp. 12 .

1380. Rothrock, A M Waldron, C D , Effects of air-fuel spray and flame formation in a compression-ignition engine , NACA Report 545 , 1937 , pp. 9 .

1381. Schubauer, G B Dryden, H L , The effect of turbulence on the drag of flat plates , NACA Report 546 , 1937 , pp. 5 .

1382. Silverstein, Abe White, James A , Wind-tunnel interference with particular reference to off-center positions of the wing and to the downwash at the tail , NACA Report 547 , 1937 , pp. 13 .

1383. Shortal, Joseph A , Effect of tip shape and dihedral on lateral-stability characteristics , NACA Report 548 , 1937 , pp. 10 .

1384. Wenzinger, Carl J , Wind-tunnel investigation of the aerodynamic balancing of upper-surface ailerons and split flaps , NACA Report 549 , 1937 , pp. 18 .

1385. Schey, Oscar W Rollin, Vern G , Cooling characteristics of a 2-row radial engine , NACA Report 550 , 1937 , pp. 10 .

1386. Peterson, John B Smith, Clyde W , Aircraft compass characteristics , NACA Report 551 , 1937 , pp. 11 .

1387. Wheatley, John B Bioletti, Carlton , Wind-tunnel tests of 10-foot-diameter autogiro rotors , NACA Report 552 , 1937 , pp. 14 .

1388. Fiock, Ernst F Roeder, Carl H , Some effects of argon and helium upon explosions of carbon monoxide and oxygen , NACA Report 553 , 1937 , pp. 10 .

1389. Wenzinger, Carl J , Wind-tunnel investigation of ordinary and split flaps on airfoils of different profile , NACA Report 554 , 1937 , pp. 14 .

1390. Brevoort, M J Rollin, Vern G , Air flow around finned cylinders , NACA Report 555 , 1937 , pp. 10 .

1391. Marvin, Charles F , Jr Wharton, Armistead Roeder, Carl H , Further studies of flame movement and pressure development in an engine cylinder , NACA Report 556 , 1937 , pp. 13 .

1392. Zimmerman, C H , Preliminary tests in the NACA free-spinning wind tunnel , NACA Report 557 , 1937 , pp. 18 .

1393. Platt, Robert C , Turbulence factors of NACA wind tunnels as determined by sphere tests , NACA Report 558 , 1937 , pp. 20 .

1394. Scudder, N F , The forces and moments acting on parts of the XN2Y-1 airplane during spins , NACA Report 559 , 1937 , pp. 8 .

1395. Jones, Robert T , A simplified application of the method of operators to the calculation of disturbed motions of an airplane , NACA Report 560 , 1937 , pp. 12 .

1396. Rothrock, A M Waldron, C D , Effect of nozzle design on fuel spray and flame formation in a high-speed compression-ignition engine , NACA Report 561 , 1937 , pp. 12 .

1397. Dryden, Hugh L , Air flow in the boundary layer near a plate , NACA Report 562 , 1937 , pp. 26 .

1398. Pinkerton, Robert M , Calculated and measured pressure distributions over the midspan section of the NACA 4412 airfoil , NACA Report 563 , 1937 , pp. 16 .

1399. Windler, Ray , Tests of a wing-nacelle-propeller combination at several pitch settings up to 42 degrees , NACA Report 564 , 1937 , pp. 8 .

1400. Lee, Dana W , Measurements of fuel distribution within sprays for fuel-injection engines , NACA Report 565 , 1937 , pp. 15 .

1401. Silverstein, Abe Gulick, B G , Ground-handling forces on a 1/40-scale model of the U. S. Airship "Akron." , NACA Report 566 , 1937 , pp. 11 .

1402. Garrick, I E , Propulsion of a flapping and oscillating airfoil , NACA Report 567 , 1937 , pp. 9 .

1403. Foster, H H , The quiescent-chamber type compression-ignition engine , NACA Report 568 , 1937 , pp. 10 .

1404. Robinson, Russell G Herrnstein, William H , Jr , Wing-nacelle-propeller interference for wings of various spans force and pressure-distribution tests , NACA Report 569 , 1937 , pp. 16 .

1405. Weick, Fred E Jones, Robert T , The effect of lateral controls in producing motion of an airplane as computed from wind-tunnel data , NACA Report 570 , 1937 , pp. 26 .

1406. Wenzinger, Carl J Harris, Thomas A , Pressure distribution over a rectangular airfoil with a partial-span split flap , NACA Report 571 , 1937 , pp. 12 .

1407. Anderson, Raymond F , Determination of the characteristics of tapered wings , NACA Report 572 , 1937 , pp. 20 .

1408. Platt, Robert C Abbott, Ira H , Aerodynamic characteristics of NACA 23012 and 23021 airfoils with 20-percent-chord external-airfoil flaps of NACA 23012 section , NACA Report 573 , 1937 , pp. 20 .

1409. Wenzinger, Carl J , Pressure distribution over an airfoil section with a flap and tab , NACA Report 574 , 1937 , pp. 11 .

1410. Sherman, Albert , Interference of wing and fuselage from tests of 28 combinations in the NACA variable-density tunnel , NACA Report 575 , 1937 , pp. 8 .

1411. (Author(s) Not Available) , Aircraft accidents.method of analysis , NACA Report 576 NACA-TR-357 NACA-TR-308 , 1937 , pp. 12 .

1412. Soule, Hartley A , Flight measurements of the dynamic longitudinal stability of several airplanes and a correlation of the measurements with pilots' observations of handling characteristics , NACA Report 578 , 1937 , pp. 6 .

1413. Wetmore, J W , The rolling friction of several airplane wheels and tires and the effect of rolling friction on take-off , NACA Report 583 , 1937 , pp. 8 .

1414. Brueggeman, W C , Strength of welded aircraft joints , NACA Report 584 , 1937 , pp. 32 .

1415. Pearson, H A , Span load distribution for tapered wings with partial-span flaps , NACA Report 585 , 1937 , pp. 18 .

1416. Jacobs, Eastman N Sherman, Albert , Airfoil section characteristics as affected by variations of the Reynolds number , NACA Report 586 , 1937 , pp. 41 .

1417. Schey, Oscar W Ellerbrock, Herman H , Jr , Blower cooling of finned cylinders , NACA Report 587 , 1937 , pp. 12 .

1418. Rothrock, A M Waldron, C D , Fuel spray and flame formation in a compression-ignition engine employing air flow , NACA Report 588 , 1937 , pp. 15 .

1419. Zimmerman, Charles H , An analysis of lateral stability in power-off flight with charts for use in design , NACA Report 589 , 1937 , pp. 21 .

1420. Pearson, H A , Pressure-distribution measurements on O-2H airplane in flight , NACA Report 590 , 1937 , pp. 33 .

1421. Wheatley, John B , An analytical and experimental study of the effect of periodic blade twist on the thrust, torque, and flapping motion of an autogiro rotor , NACA Report 591 , 1937 , pp. 7 .

1422. Theodorsen, Theodore Brevoort, M J Stickle, George W , Full-scale tests of NACA cowlings , NACA Report 592 , 1937 , pp. 30 .

1423. Theodorsen, Theodore Brevoort, M J Stickle, George W , Cooling of airplane engines at low air speeds , NACA Report 593 , 1937 , pp. 10 .

1424. Theodorsen, Theodore Stickle, George W Brevoort, M J , Characteristics of six propellers including the high-speed range , NACA Report 594 , 1937 , pp. 38 .

1425. Theodorsen, Theodore Brevoort, M J Stickle, George W Gough, M N , Full-scale tests of a new type NACA nose-slot cowling , NACA Report 595 , 1937 , pp. 9 .

1426. Brevoort, M J Stickle, George W Ellerbrock, Herman H , Jr , Cooling tests of a single-row radial engine with several NACA cowlings , NACA Report 596 , 1937 , pp. 10 .

1427. Lesley, E P Worley, George F Moy, Stanley , Air propellers in yaw , NACA Report 597 , 1937 , pp. 15 .

1428. Mock, W C , Jr , Alternating-current equipment for the measurement of fluctuations of air speed in turbulent flow , NACA Report 598 , 1937 , pp. 18 .

1429. Rhode, Ricahrd V Pearson, Henry A , Flight tests of the drag and torque of the propeller in terminal-velocity dives , NACA Report 599 , 1937 , pp. 10 .

1430. Wheatley, John B , An analysis of the factors that determine the periodic twist of an autogiro rotor blade, with a comparison of predicted and measured results , NACA Report 600 , 1937 , pp. 11 .

1431. Stang, Ambrose H Ramberg, Walter Back, Goldie , Torsion tests of tubes , NACA Report 601 , 1937 , pp. 21 .

1432. Shortal, Joseph A , Wind-tunnel and flight tests of slot-lip ailerons , NACA Report 602 , 1937 , pp. 25 .

1433. Platt, Robert C Shortal, Joseph A , Wind-tunnel investigation of wings with ordinary ailerons and full-span external-airfoil flaps , NACA Report 603 , 1937 , pp. 22 .

1434. Mchugh, James G , Pressure-distribution measurements at large angles of pitch on fins of different span-chord ratio on a 1/40-scale model of the U. S. Airship "Akron." , NACA Report 604 , 1937 , pp. 20 .

1435. Weick, Fred E Jones, Robert T , Resume and analysis of NACA lateral control research , NACA Report 605 , 1937 , pp. 27 .

1436. Peterson, John B Womack, S H J , Electrical thermometers for aircraft , NACA Report 606 , 1937 , pp. 16 .

1437. Bamber, M J House, R O , Spinning characteristics of the XN2Y-1 airplane obtained from the spinning balance and compared with results from the spinning tunnel and from flight tests , NACA Report 607 , 1937 , pp. 19 .

1438. Kuhn, Paul , Stress analysis of beams with shear deformation of the flanges , NACA Report 608 , 1937 , pp. 19 .

1439. Silverstein, Abe Katzoff, S , Experimental investigation of wind-tunnel interference on the downwash behind an airfoil , NACA Report 609 , 1937 , pp. 8 .

1440. Jacobs, Eastman N Pinkerton, Robert M Greenberg, Harry , Tests of related forward-camber airfoils in the variable-density wind tunnel , NACA Report 610 , 1937 , pp. 35 .

1441. Wenzinger, Carl J , Wind-tunnel investigation of tapered wings with ordinary ailerons and partial-span split flaps , NACA Report 611 , 1937 , pp. 9 .

1442. Kuhn, Paul , Strain measurements on small duralumin box beams in bending , NACA TN-588 , 1937 , pp. 24 .

1443. Pearson, H A , Theoretical span loading and moments of tapered wings produced by aileron deflection , NACA TN-589 , 1937 , pp. 42 .

1444. Ward, Kenneth E , Hydrodynamic tests in the N.A.C.A. tank of a model of the hull of the Short Calcutta flying boat , NACA TN-590 , 1937 , pp. 35 .

1445. Parsons, John F Silverstein, Abe , Full scale span load distribution on a tapered wing with split flaps of various spans , NACA TN-591 , February 1937 , pp. 29 .

1446. Biermann, David , A study of the factors affecting the range of airplanes , NACA TN-592 , February 1937 , pp. 94 .

1447. Wildhack, W A , Pressure drop in tubing in aircraft instrument installations , NACA TN-593 , 1937 , pp. 30 .

1448. Dawson, John R , Tank tests of two models of flying-boat hulls to determine the effect of ventilating the step , NACA TN-594 , February 1937 , pp. 14 .

1449. Buckwalter, John C (Stanford University) Reed, Warren D (Stanford University) Niles, Alfred S (Stanford University) , Bending tests of circular cylinders of corrugated aluminum-alloy sheet , NACA TN-595 , March 1937 , pp. 41 .

1450. Dearborn, C H Soule, H A , Full-scale wind-tunnel and flight test of a Fairchild 22 airplane equipped with a Zap flap and Zap ailerons , NACA TN-596 , March 1937 , pp. 35 .

1451. Soule, Hartley A , Notes on the calculation of the minimum horizontal tail surface for airplanes equipped with wing flaps , NACA TN-597 , April 1937 , pp. 26 .

1452. Gauvain, William E , Wind-tunnel tests of a Clark Y wing with 'Maxwell' leading-edge slots , NACA TN-598 , April 1937 , pp. 16 .

1453. Pearson, H A , Charts expressing the time, velocity, and altitude relations for an airplane diving in a standard atmosphere , NACA TN-599 , April 1937 , pp. 21 .

1454. Lee, Dana W Marsh, E T , Discharge characteristics of a double injection-valve single-pump injection system , NACA TN-600 , May 1937 , pp. 21 .

1455. Dumont, C (Aluminum Company of America, Aluminum Research Labs., New Kensington, Penn) Hill, H N (Aluminum Company of America, Aluminum Research Labs., Kensington, Penn) , The lateral instability of deep rectangular beams , NACA TN-601 , May 1937 , pp. 40 .

1456. Biermann, Arnold E , Heat transfer from cylinders having closely spaced fins , NACA TN-602 , May 1937 , pp. 25 .

1457. Rothrock, A M Spencer, R C , A preliminary study of flame propagation in a spark-ignition engine , NACA TN-603 , June 1937 , pp. 31 .

1458. Reed, Warren D Clay, William C , Full-scale wind-tunnel and flight tests of a Fairchild 22 airplane equipped with external-airfoil flaps , NACA TN-604 , July 1937 , pp. 35 .

1459. Deming, A. F., Noise from propellers with symmetrical sections at zero blade angle, NACA Technical Note 605, 1937, pp. 33.

1460. .

1461. Pearson, H A , Empirical corrections to the span load distribution at the tip , NACA TN-606 , August 1937 , pp. 17 .

1462. Pekelsma, Robert E (Department of Aeronautical Engineering, University of Michigan) , The behavior of thin-will monocoque cylinders under torsional vibration , NACA TN-607 , August 1937 , pp. 15 .

1463. Seidman, Oscar Neihouse, A I , Free-spinning wind-tunnel tests of a low-wing monoplane with systemic changes in wings and tails , NACA TN-608 , August 1937 , pp. 31 .

1464. Diehl, W S (Bureau of Aeronautics, Navy Department) , Considerations affecting the additional weight required in mass balance of ailerons , NACA TN-609 , August 1937 , pp. 12 .

1465. Earle, Sherod L Dutee, Francis J , Effect of air-entry angle on performance of a 2-stroke-cycle compression-ignition engine , NACA TN-610 , August 1937 , pp. 27 .

1466. Draper, C S (Massachusetts Institute of Technology, Cambridge , Mass) , The sonic altimeter for aircraft , NACA TN-611 , August 1937 , pp. 122 .

1467. Bamber, M J House, R O , Spinning characteristics of wings III : rectangular and tapered , NACA TN-612 , September 1937 , pp. 44 .

1468. Clauser, Milton (California Institute of Technology) Clauser, Francis (California Institute of Technology) , The effect of curvature on the transition from laminar to turbulent boundary layer , NACA TN-613 , September 1937 , pp. 39 .

1469. Abbott, Ira H , Fuselage-drag tests in the variable-density wind tunnel: streamline bodies of revolution, fineness ratio of 5 , NACA TN-614 , September 1937 , pp. 18 .

1470. Klemin, Alexander (New York University) , Motion of the two-control airplane in rectilinear flight after initial disturbances with introduction of controls following an exponential law , NACA TN-615 , September 1937 , pp. 41 .

1471. Thompson, F L , The measurement of air speed in airplanes , NACA TN-616 , 1937 , pp. 24 .

1472. Lundquist, Eugene E , Stability of structural members under axial load , NACA TN-617 , 1937 , pp. 30 .

1473. Holt, M (Aluminum Research Laboratories) Hartman, E C (Aluminum Research Laboratories) , Increasing the strength of aluminum-alloy columns by prestressing , NACA TN-618 , 1937 , pp. 13 .

1474. Moore, Charles S Collins, John H , Compression-ignition engine performance at altitudes and at various air pressures and temperatures , NACA TN-619 , November 1937 , pp. 40 .

1475. Brevoort, Maurice J , Energy loss, velocity distribution, and temperature distribution for a baffled cylinder model , NACA TN-620 , October 1937 , pp. 37 .

1476. Rollin, Vern G Ellerbrock, Herman H , Pressure drop across finned cylinders enclosed in a jacket , NACA TN-621 , November 1937 , pp. 28 .

1477. Soule, H A Hootman, James A , Flight tests of an airplane showing dependence of the maximum lift coefficient on the test conditions , NACA TN-622 , November 1937 , pp. 16 .

1478. Mcavoy, William H , Maximum forces applied by pilots to wheel-type controls , NACA TN-623 , November 1937 , pp. 26 .

1479. Sontag, Harcourt (National Bureau of Standards) Johnson, Daniel P (National Bureau of Standards) , Performance characteristics of venturi tubes used in aircraft for operating air-driven gyroscopic instruments , NACA TN-624 , November 1937 , pp. 28 .

1480. Bamber, M J House, R O , Spinning characteristics of wings IV : changes in stagger of rectangular Clark Y cellules , NACA TN-625 , December 1937 , pp. 29 .

1481. Knight, Montgomery (Georgia School of Technology) Hefner, Ralph A (Georgia School of Technology) , Static thrust analysis of the lifting airscrew , NACA TN-626 , December 1937 , pp. 62 .

1482. Wenzinger, Carl J , Pressure distribution over a Clark Y-H airfoil section with a split flap , NACA TN-627 , December 1937 , pp. 12 .

1483. Kline, G M (National Bureau of Standards) , Plastics as structural materials for aircraft , NACA TN-628 , December 1937 , pp. 25 .

1484. Stowell, E Z , A sound pressure-level meter without amplification , NACA TN-629 , December 1937 , pp. 10 .

1485. Seidman, Oscar Neihouse, A I , Free spinning wind-tunnel tests of a low-wing monoplane with systematic wings and tails , NACA TN-630 , December 1937 , pp. 29 .

1486. Sherman, Albert , Wing-fuselage interference comparison of conventional and airfoil-type-fuselage combinations , NACA WR-L-509 , March 1937 , pp. 7 .

1487. Moore, Charles S Collins, John H , Jr , Prechamber compression-ignition engine performance , NACA Report 577 , 1938 , pp. 26 .

1488. Jones, Robert T , A study of the two-control operation of an airplane , NACA Report 579 , 1938 , pp. 16 .

1489. Selden, Robert F Spencer, Robert C , Heat transfer to fuel sprays injected into heated gases , NACA Report 580 , 1938 , pp. 17 .

1490. Dryden, Hugh L Schubauer, G B Mock, W C , Jr Skramstad, H K , Measurements of intensity and scale of wind-tunnel turbulence and their relation to the critical Reynolds number of spheres , NACA Report 581 , 1938 , pp. 32 .

1491. Lundquist, Eugene E Fligg, Claude M , A theory for primary failure of straight centrally loaded columns , NACA Report 582 , 1938 , pp. 27 .

1492. Pinkel, Benjamin , Heat-transfer processes in air-cooled engine cylinders , NACA Report 612 , 1938 , pp. 16 .

1493. Pinkerton, Robert M , The variation with Reynolds number of pressure distribution over an airfoil section , NACA Report 613 , 1938 , pp. 20 .

1494. Wenzinger, Carl J , Pressure distribution over an NACA 23012 airfoil with an NACA 23012 external-airfoil flap , NACA Report 614 , 1938 , pp. 15 .

1495. Osgood, William R , Column strength of tubes elastically restrained against rotation at the ends , NACA Report 615 , 1938 , pp. 38 .

1496. Gerrish, Harold C Voss, Fred , Interrelation of exhaust-gas constituents , NACA Report 616 , 1938 , pp. 8 .

1497. Selden, Robert F , Auto-ignition and combustion of diesel fuel in a constant-volume bomb , NACA Report 617 , 1938 , pp. 13 .

1498. Silverstein, Abe Katzoff, S Hootman, James A , Comparative flight and full-scale wind-tunnel measurements of the maximum lift of an airplane , NACA Report 618 , 1938 , pp. 7 .

1499. Lindsey, W F , Drag of cylinders of simple shapes , NACA Report 619 , 1938 , pp. 8 .

1500. Wenzinger, Carl J Anderson, Walter B , Pressure distribution over airfoils with Fowler flaps , NACA Report 620 , 1938 , pp. 23 .

1501. Kaplan, Carl , Compressible flow about symmetrical Joukowski profiles , NACA Report 621 , 1938 , pp. 5 .

1502. Rothrock, A M Spencer, R C , A photographic study of combustion and knock in a spark-ignition engine , NACA Report 622 , 1938 , pp. 21 .

1503. Bailey, F J , Jr , A study of the torque equilibrium of an autogiro rotor , NACA Report 623 , 1938 , pp. 10 .

1504. Kaplan, Carl , Two-dimensional subsonic compressible flow past elliptic cylinders , NACA Report 624 , 1938 , pp. 8 .

1505. Diehl, Walter S , A discussion of certain problems connected with the design of hulls of flying boats and the use of general test data , NACA Report 625 , 1938 , pp. 8 .

1506. Wetmore, J W , The transition phase in the take-off of an airplane , NACA Report 626 , 1938 , pp. 11 .

1507. Anderson, Raymond F , The experimental and calculated characteristics of 22 tapered wings , NACA Report 627 , 1938 , pp. 23 .

1508. Pinkerton, Robert M Greenberg, Harry , Aerodynamic characteristics of a large number of airfoils tested in the variable-density wind tunnel , NACA Report 628 , 1938 , pp. 48 .

1509. Garrick, I E , On some reciprocal relations in the theory of nonstationary flows , NACA Report 629 , 1938 , pp. 4 .

1510. Soule, H A Gracey, W , A flight comparison of conventional ailerons on a rectangular wing and of conventional and floating wing-tip ailerons on a tapered wing , NACA Report 630 , 1938 , pp. 5 .

1511. Eastman N. Jacobs and R. V. Rhode, Airfoil Section Characteristics as Applied to the Prediction of Air Forces and Their Distribution on Wings, NACA Report 631, 1938 , pp. 29 .

1512. Osgood, William R , The crinkling strength and the bending strength of round aircraft tubing , NACA Report 632 , 1938 , pp. 15 .

1513. Wenzinger, Carl J Delano, James B , Pressure distribution over an NACA 23012 airfoil with a slotted and a plain flap , NACA Report 633 , 1938 , pp. 32 .

1514. Allen, H Julian , Calculation of the chordwise load distribution over airfoil sections with plain, split, or serially hinged trailing-edge flaps , NACA Report 634 , 1938 , pp. 16 .

1515. Pearson, Henry A Jones, Robert T , Theoretical stability and control characteristics of wings with various amounts of taper and twist , NACA Report 635 , 1938 , pp. 17 .

1516. Kuhn, Paul , Approximate stress analysis of multistringer beams with shear deformation of the flanges , NACA Report 636 , 1938 , pp. 21 .

1517. Silverstein, Abe Becker, John V , Determination of boundary-layer transition on three symmetrical airfoils in the NACA full-scale wind tunnel , NACA Report 637 , 1938 , pp. 15 .

1518. Jones, Robert T , The influence of lateral stability on disturbed motions of an airplane with special reference to the motions produced by gusts , NACA Report 638 , 1938 , pp. 10 .

1519. Biermann, David Hartman, Edwin P , The effect of compressibility on eight full-scale propellers operating in the take-off and climbing range , NACA Report 639 , 1938 , pp. 31 .

1520. Hartman, Edwin P Biermann, David , The aerodynamic characteristics of full-scale propellers having 2, 3, and 4 blades of Clark y and R.A.F. 6 airfoil sections , NACA Report 640 , 1938 , pp. 24 .

1521. Hartman, Edwin P Biermann, David , The negative thrust and torque of several full-scale propellers and their application to various flight problems , NACA Report 641 , 1938 , pp. 18 .

1522. Biermann, David Hartman, Edwin P , Tests of five full-scale propellers in the presence of a radial and a liquid-cooled engine nacelle, including tests of two spinners , NACA Report 642 , 1938 , pp. 27 .

1523. Hartman, Edwin P Biermann, David , The aerodynamic characteristics of four full-scale propellers having different plan forms , NACA Report 643 , 1938 , pp. 9 .

1524. Hartman, Edwin P Biermann, David , The torsional and bending deflection of full-scale aluminum-alloy propeller blades under normal operating conditions , NACA Report 644 , 1938 , pp. 8 .

1525. Highley, Frank H , Wind-tunnel tests of carburetor-intake rams , NACA TN-631 , 1938 , pp. 17 .

1526. Soule, H A Gracey, W , Improvement of aileron effectiveness by the prevention of air leakage through the hinge gap as determined in flight , NACA TN-632 , 1938 , pp. 17 .

1527. Bamber, M J House, R O , Spinning characteristics of wings V : N.A.C.A. 0009, 23018, and 6718 monoplane wings , NACA TN-633 , 1938 , pp. 37 .

1528. Tozier, Robert E , The N.A.C.A. optical engine indicator , NACA TN-634 , 1938 , pp. 13 .

1529. Allison, John M , Tank tests of a model of one hull of the Savoia S-55-X flying boat -N.A.C.A. Model 46 , NACA TN-635 , February 1938 , pp. 34 .

1530. Imlay, Frederick H , The estimation of the rate of change of yawing moment with sideslip , NACA TN-636 , February 1938 , pp. 18 .

1531. (Author(s) Not Available) , Preliminary fatigue studies on aluminum alloy aircraft engines , NACA TN-637 , February 1938 , pp. 45 .

1532. Allison, John , Tank tests of Model 36 flying boat hull , NACA TN-638 , March 1938 , pp. 26 .

1533. Von Doenhoff, Albert E , A preliminary investigation of boundary-layer transition along a flat plate with adverse pressure gradient , NACA TN-639 , March 1938 , pp. 24 .

1534. Sherman, Albert , Interference of wing and fuselage from tests of the 18 combinations in the N.A.C.A. variable-density tunnel - combination with split flaps , NACA TN-640 , March 1938 , pp. 17 .

1535. Sherman, Albert , Interference of wing and fuselage from tests of 17 combinations in the NACA variable-density tunnel combination with special junctures , NACA TN-641 , March 1938 , pp. 23 .

1536. Sherman, Albert , Interference of wing and fuselage from tests of eight combinations in the NACA variable-density tunnelcombinations with tapered fillets and straight-side junctures , NACA TN-642 , March 1938 , pp. 15 .

1537. Diehl, Walter S , A study of flying-boat take-off , NACA TN-643 , April 1938 , pp. 30 .

1538. Donely, Philip Pearson, Henry A , Flight and wind-tunnel tests of an XBM-1 dive bomber , NACA TN-644 , April 1938 , pp. 37 .

1539. Soule, Hartley A GOUGH MELVIN N , Some aspects of the stalling of modern low-lying monoplanes , NACA TN-645 , April 1938 , pp. 14 .

1540. Hartman, Edwin P , Wind-tunnel tests of a 2-engine airplane model as a preliminary study of flight conditions arising on the failure of the engine , NACA TN-646 , April 1938 , pp. 53 .

1541. Rothbrock, A M Biermann, Arnold E , Engine performance and knock rating of fuels for high-output aircraft engines , NACA TN-647 , April 1938 , pp. 24 .

1542. Truscott, Starr Parkinson, J B , The increase in frictional resistance caused by various types of rivet heads as determined by tests of planing surfaces , NACA TN-648 , May 1938 , pp. 16 .

1543. Brevoort, Maurice J , The effect of air-passage length on the optimum fin spacing for maximum cooling , NACA TN-649 , May 1938 , pp. 12 .

1544. Wenzinger, Carl J , Wind-tunnel tests of a Clark Y wing having split flaps with gaps , NACA TN-650 , May 1938 , pp. 8 .

1545. Biermann, Arnold E , Effect of spark-timing regularity on the knock of engine performance , NACA TN-651 , May 1938 , pp. 8 .

1546. Lundquist, Eugene E Kroll, W D , Tables of stiffness and carry-over factor for structural members under axial load , NACA TN-652 , June 1938 , pp. 23 .

1547. Soule, H A Hootman, James A , A flight investigation of the reduction of aileron operating force by means of fixed tabs and differential linkage, with notes on linkage design , NACA TN-653 , June 1938 , pp. 25 .

1548. Schey, Oscar W Clark, J Denny , Fuel consumption of a carburetor engine at various speeds and torques , NACA TN-654 , June 1938 , pp. 20 .

1549. Brevoort, M J , Principles involved in the cooling of a finned and baffled cylinder , NACA TN-655 , June 1938 , pp. 24 .

1550. Parkinson, J B HOUSE R O , Hydrodynamic and aerodynamic tests of models of floats for single-float seaplanes NACA models 41-D, 41-E, 61-A, 73, and 73-A , NACA TN-656 , July 1938 , pp. 59 .

1551. Parkinson, J B , Tank tests to show the effect rivet heads on the water performance of a seaplane-float , NACA TN-657 , July 1938 , pp. 13 .

1552. Lundquist, Eugene E , Generalized analysis of experimental observations in problems of elastic stability , NACA TN-658 , July 1938 , pp. 18 .

1553. Wenzinger, Carl J Bamber, Millard J , Wind-tunnel of three lateral-control devices in combination with a full-span slotted flap on an NACA 23012 airfoil , NACA TN-659 , August 1938 , pp. 19 .

1554. Bleakney, William M , Fatigue testing of wing beam by the resonance method , NACA TN-660 , August 1938 , pp. 43 .

1555. Wenzinger, Carl J Ames, Milton B , Jr , Wind-tunnel investigation of rectangular and tapered NACA 23012 wings with plain ailerons and full-span split flaps , NACA TN-661 , August 1938 , pp. 22 .

1556. Brombacher, W G Trent, W C , Gyroscopic instruments for instrument flying , NACA TN-662 , September 1938 , pp. 50 .

1557. House, R O , The effects of partial-span plain flaps on the aerodynamic characteristics of a rectangular and a tapered Clark Y wing , NACA TN-663 , September 1938 , pp. 14 .

1558. Seidman, Oscar NEIHOUSE A I , Free-spinning wind-tunnel tests of a low-wing monoplane with systematic changes in wings and tails III : mass distributed along the wings , NACA TN-664 , September 1938 , pp. 30 .

1559. Stack, John Lindsey, W F , Tests of N-85, N-86 and N-87 airfoil sections in the 11-inch high speed wind tunnel , NACA TN-665 , September 1938 , pp. 12 .

1560. Klemin, Alexander Pepper, Perry A Wittner, Howard A , Longitudinal stability in relation to the use of an automatic pilot , NACA TN-666 , September 1938 , pp. 64 .

1561. Jones, Robert T , Operational treatment of the nonuniform-lift theory in airplane dynamics , NACA TN-667 , October 1938 , pp. 12 .

1562. Truscott, Starr Parkinson, J B Ebert, John W , Jr Valentine, E Floyd , Hydrodynamic and aerodynamic tests of models of flying-boat hulls designed flow aerodynamic drag - NACA models 74, 74-A, and 75 , NACA TN-668 , October 1938 , pp. 58 .

1563. Robinson, Russell G , The drag of inflatable rubber de-icers , NACA TN-669 , October 1938 , pp. 11 .

1564. Thopmson, F L , NACA stall-warning indicator , NACA TN-670 , October 1938 , pp. 15 .

1565. Von Doenhoff, Albert E , A method of rapidly estimating the position of the laminar separation point , NACA TN-671 , October 1938 , pp. 11 .

1566. Abbott, Ira H Sherman, Albert , Flow observations with tufts and lampblack of the stalling of four typical airfoil sections in the NACA variable-density tunnel , NACA TN-672 , October 1938 , pp. 18 .

1567. Stickle, George W Joyner, Upshur T , The pressure available for ground cooling in front of the cowling of air-cooled airplane engines , NACA TN-673 , November 1938 , pp. 18 .

1568. Rogowski, A R (Massachusetts Institute of Technology) Bouchard, C L (Massachusetts Institute of Technology) , Scavenging a piston-ported two-stroke cylinder , NACA TN-674 , November 1938 , pp. 43 .

1569. Marsh, Edred T , Discharge characteristics of a simulated unit injection system , NACA TN-676 , November 1938 , pp. 15 .

1570. Benson, William M (Stanford University) , Tests of a contra-propeller for aircraft , NACA TN-677 , November 1938 , pp. 23 .

1571. Dawson, John R Hartman, Edwin P , Hydrodynamic and aerodynamic tests of four models of outboard floats : (N.A.C.A. models 51-A, 51-B, 51-C, and 51-D) , NACA TN-678 , December 1938 , pp. 45 .

1572. Deming, A F , Noise from propellers with symmetrical sections at zero blade angle, II , NACA TN-679 , December 1938 , pp. 20 .

1573. House, R O , The aerodynamic drag of five models of side floats N.A.C.A. Models 51-E, 51-F, 51-G, 51-H, 51-J , NACA TN-680 , December 1938 , pp. 10 .

1574. Dawson, John R , A general tank test of a model of the hull of the Pem-1 flying boat including a special working chart for the determination of hull performance , NACA TN-681 , December 1938 , pp. 28 .

1575. Wilson, Herbert A , Jr , Aerodynamic characteristics of a 4-engine monoplane showing effects of enclosing the engines in the wing and comparisons of tractor- and pusher-propeller arrangements , NACA WR-L-456 , April 1938 , pp. 22 .

1576. Schey, Oscar W Pinkel, Benjamin Ellerbrock, Herman H , Jr , Correction of temperatures of air-cooled engine cylinders for variation in engine and cooling conditions , NACA Report 645 , 1939 , pp. 24 .

1577. Stack, John Lindsey, W F Littell, Robert E , The compressibility burble and the effect of compressibility on pressures and forces acting on a airfoil , NACA Report 646 , 1939 , pp. 34 .

1578. Goett, Harry J Bullivant, W Kenneth , Tests of NACA 0009, 0012, and 0018 airfoils in the full-scale tunnel , NACA Report 647 , 1939 , pp. 8 .

1579. Silverstein, Abe Katzoff, S , Design charts for predicting downwash angles and wake characteristics behind plain and flapped wings , NACA Report 648 , 1939 , pp. 25 .

1580. Aitchison, C S Tuckerman, L B , The pack method for compressive tests of thin specimens of materials used in thin-wall structures , NACA Report 649 , 1939 , pp. 11 .

1581. Biermann, David Hartman, Edwin P , The aerodynamic characteristics of six full-scale propellers having different airfoil sections , NACA Report 650 , 1939 , pp. 34 .

1582. Silverstein, Abe Katzoff, S Bullivant, W Kenneth , Downwash and wake behind plain and flapped airfoils , NACA Report 651 , 1939 , pp. 28 .

1583. Schubauer, G B , Air flow in the boundary layer of an elliptic cylinder , NACA Report 652 , 1939 , pp. 33 .

1584. Lee, Dana W , A study of air flow in an engine cylinder , NACA Report 653 , 1939 , pp. 13 .

1585. Rockfeller, W C , General airplane performance , NACA Report 654 , 1939 , pp. 25 .

1586. Rothrock, A M Biermann, Arnold E , The knocking characteristics of fuels in relation to maximum permissible performance of aircraft engines , NACA Report 655 , 1939 , pp. 22 .

1587. Osgood, William R Holt, Marshall , The column strength of two extruded aluminum-alloy h-sections , NACA Report 656 , 1939 , pp. 24 .

1588. Rothrock, A M Spencer, R C , The influence of directed air flow on combustion in spark-ignition engine , NACA Report 657 , 1939 , pp. 14 .

1589. Biermann, David HARTMAN EDWIN P , Tests of two full-scale propellers with different pitch distributions, at blade angles up to 60 degrees , NACA Report 658 , 1939 , pp. 15 .

1590. Kies, J A Quick, G W , Effect of service stress on impact resistance, x-ray diffraction patterns, and microstructure of 25s aluminum alloy , NACA Report 659 , 1939 , pp. 22 .

1591. Goett, Harry J , Experimental investigation of the momentum method for determining profile drag , NACA Report 660 , 1939 , pp. 7 .

1592. Abbott, Ira H Greenberg, Harry , Tests in the variable-density wind tunnel of the NACA 23012 airfoil with plain and split flaps , NACA Report 661 , 1939 , pp. 9 .

1593. Stickle, George W , Design of NACA cowlings for radial air-cooled engines , NACA Report 662 , 1939 , pp. 11 .

1594. Mutchler, Willard , The effect of continuous weathering on light metal alloys used in aircraft , NACA Report 663 NACA-TR-490 , 1939 , pp. 27 .

1595. Wenzinger, Carl J Harris , Thomas A , Wind-tunnel investigation of an NACA 23012 airfoil with various arrangements of slotted flaps , NACA Report 664 , 1939 , pp. 31 .

1596. Person, Henry A Anderson, Raymond F , Calculation of the aerodynamic characteristics of tapered wings with partial-span flaps , NACA Report 665 , 1939 , pp. 18 .

1597. Johnson, Daniel P , Aircraft rate-of-climb indicators , NACA Report 666 , 1939 , pp. 10 .

1598. Bicknell, Joseph , Determination of the profile drag of an airplane wing in flight at high Reynolds numbers , NACA Report 667 , 1939 , pp. 9 .

1599. Wenzinger, Carl J Harris, Thomas A , Wind-tunnel investigation of NACA 23012, 23021, and 23030 airfoils with various sizes of split flap , NACA Report 668 , 1939 , pp. 13 .

1600. Jacobs, Eastman N Abbott, Ira H , Airfoil section data obtained in the NACA variable-density tunnel as affected by support interference and other corrections , NACA Report 669 , 1939 , pp. 32 .

1601. Mcadam, D J Mebs, R W , Tensile elastic properties of 18:8 chromium-nickel steel as affected by plastic deformation , NACA Report 670 , 1939 , pp. 42 .

1602. Kaplan, Carl , A theoretical study of the moment on a body in a compressible fluid , NACA Report 671 , 1939 , pp. 18 .

1603. Seidman, Oscar Neihouse, A I , Free-spinning wind-tunnel tests of a low-wing monoplane with systematic changes in wings and tails IV : effect of center-of-gravity location , NACA Report 672 , 1939 , pp. 20 .

1604. Silverstein, Abe Joyner, Upshur T , Experimental verification of the theory of oscillating airfoils , NACA Report 673 , 1939 , pp. 5 .

1605. Brevoort, M J Joyner, U T , Cooling on the front of an air-cooled engine cylinder in a conventional engine cowling , NACA Report 674 , 1939 , pp. 13 .

1606. Goett, Harry J Reeder, J P , Effects of elevator nose shape, gap, balance, and tabs on the aerodynamic characteristics of a horizontal tail surface , NACA Report 675 , 1939 , pp. 25 .

1607. Ellerbrock, Herman H , Jr Biermann, Arnold E , Surface heat-transfer coefficients of finned cylinders , NACA Report 676 , 1939 , pp. 14 .

1608. Wenzinger, Carl J Harris, Thomas A , Wind-tunnel investigation of NACA 23012 airfoil with various arrangements of slotted flaps , NACA Report 677 , 1939 , pp. 24 .

1609. Sherman, Albert , Interference of tail surfaces and wing and fuselage from tests of 17 combinations in the NACA variable-density tunnel , NACA Report 678 , 1939 , pp. 21 .

1610. Wenzinger, Carl J Gauvain, Willikam E , Wind-tunnel investigation of an NACA 23012 airfoil with a slotted flap and three types of auxiliary flap , NACA Report 679 , 1939 , pp. 27 .

1611. Mchugh, James G Derring, Eldridge H , The effect of nacelle-propeller diameter ratio on body interference and on propeller and cooling characteristics , NACA Report 680 , 1939 , pp. 19 .

1612. Losch, F., Kramer, K. N., Bock, G. and Nikodemus, R., Calculation of the induced efficiency of heavily loaded propellers having infinite number of blades, NACA Technical Memorandum 884, 1939, pp. 61.

1613. Findeisen, W., Meteorological-physical limitations of icing in the atmosphere, NACA Technical Memorandum 885, 1939, pp. 10.

1614. Gebelein, H., Theory of two-dimensional potential flow about arbitrary wing sections, NACA Technical Memorandum 886, 1939, pp. 50.

1615. Cicala, P., Comparison of theory with experiment in the phenomenon of wing flutter, NACA Technical Memorandum 887, 1939, pp. 31.

1616. .

1617. Ritz, L., Ice formation on wings, NACA Technical Memorandum 888, 1939, pp. 12.

1618. Kuchemann, D., Investigation of the lift distribution over the separate wings of a biplane, NACA Technical Memorandum 889, 1939, pp. 40.

1619. .

1620. Ruden, P., Experiments on a slotted wing, NACA Technical Memorandum 890, 1939, pp. 28.

1621. .

1622. .

1623. Schmidt, Fritz A. F., Theoretical and experimental study of ignition lag and engine knock, NACA Technical Memorandum 891, 1939, pp. 37.

1624. .

1625. Cremona, C., Investigations and tests in the towing basin at Guidonia, NACA Technical Memorandum 892, 1939, pp. 23.

1626. .

1627. Winter, H., Contribution to the theory of the heated duct radiator, NACA Technical Memorandum 893, 1939, pp. 14.

1628. .

1629. Vohrer, Eugen., The way to increased airplane engine power, NACA Technical Memorandum 894, 1939, pp. 27.

1630. Ragazzi, Paolo., The power of aircraft engines at altitude, NACA Technical Memorandum 895, 1939, pp. 39.

1631. Gothert, B., The drag of airplane radiators with special reference to air heating :comparison of theory and experiment, NACA Technical Memorandum 896, 1939, pp. 50.

1632. .

1633. Langweiler, Heinz., The hydrodynamic theory of detonation, NACA Technical Memorandum 899, 1939, pp. 34.

1634. .

1635. .

1636. Schmidt, Rudolf., The effect of the masses of the controls on the longitudinal stability with free elevator. Part I, NACA Technical Memorandum 900, 1939, pp. 22.

1637. Ferri, Antonio., Investigations and experiments in the Guidonia wind tunnel, NACA Technical Memorandum 901, 1939, pp. 31.

1638. Betz, A. and Flugge-Lotz, I., Design of centrifugal impeller blades, NACA Technical Memorandum 902, 1939, pp. 29.

1639. .

1640. .

1641. Mayer, Edwin., Effect of transition in cross-sectional shape on the development of the velocity and pressure distribution of turbulent flow in pipes, NACA Technical Memorandum 903, 1939, pp. 51.

1642. Barbre, R., Stability of rectangular plates with longitudinal or transverse stiffeners under uniform compression, NACA Technical Memorandum 904, 1939, pp. 57.

1643. Penzig, F., Temperature-indicating paints, NACA Technical Memorandum 905, 1939, pp. 19.

1644. Hoerner, Sighard., Forces and moments on a yawed airfoil, NACA Technical Memorandum 906, 1939, pp. 19.

1645. Hohenemser, K., Dynamic stability of a helicopter with hinged rotor blades, NACA Technical Memorandum 907, 1939, pp. 19.

1646. .

1647. Zeman, J., Two-stroke-cycle engines with unsymmetrical control diagram : supercharged engines, NACA Technical Memorandum 908, 1939, pp. 42.

1648. Betz, Albert., The theory of contra-vanes applied to the propeller, NACA Technical Memorandum 909, 1939, pp. 28.

1649. .

1650. Bader, W., Measurements on a low-wing model in the rotating jet and comparison with flight measurements, NACA Technical Memorandum 910, 1939, pp. 42.

1651. Weinhart, H., Knocking in the Otto-cycle engine, NACA Technical Memorandum 911, 1939, pp. 25.

1652. .

1653. Muller, J., Increase of the specific load under tension, compression, and buckling of welded steel tubes in airplane construction by suitable treatment of structural steel and by proper design, NACA Technical Memorandum 912, 1939, pp. 13.

1654. Kiel, Georg., Measurement of the true dynamic and static pressures in flight, NACA Technical Memorandum 913, 1939, pp. 43.

1655. Zinner, Karl., Engine knock and combustion chamber form, NACA Technical Memorandum 914, 1939, pp. 26.

1656. Schapitz, E., Feller, H. and Koller, H., Experimental and analytical investigation of a monocoque wing model loaded in bending, NACA Technical Memorandum 915, 1939, pp. 43.

1657. .

1658. Peschard, Marcel., Activation of hydrocarbons and the octane number, NACA Technical Memorandum 916, 1939, pp. 37.

1659. .

1660. Walchner, O., The effect of compressibility on the pressure reading of a Prandtl pitot tube at subsonic flow velocity, NACA Technical Memorandum 917, 1939, pp. 13.

1661. .

1662. Truscott, Starr., The enlarged N.A.C.A. tank, and some of its work, NACA Technical Memorandum 918, 1939, pp. 37.

1663. .

1664. Report on ice formation on aircraft, NACA Technical Memorandum 919, 1939, pp. 21.

1665. Franke, A. and Weinig, F., The effect of the slipstream on an airplane wing, NACA Technical Memorandum 920, 1939, pp. 49.

1666. .

1667. G. Sissingh, Contribution to the Aerodynamics of Rotating-Wing Aircraft, NACA TM 921, December 1939, pp. 41 .

1668. Pittoni, Mario., The Breda wind tunnel, NACA Technical Memorandum 922, 1939, pp. 15.

1669. Wenger, Hermann., Measurement of the air-flow velocity in the cylinder of an airplane engine, NACA Technical Memorandum 923, 1939, pp. 31.

1670. Reynolds, Blake (Massachusetts Institute of Technology) Schecter, Harry (Massachusetts Institute of Technology) Taylor, E S (Massachusetts Institute of Technology) , The charging process in a high-speed, single-cylinder, four-stroke engine , NACA TN-675 , February 1939 , pp. 61 .

1671. Robert T. Jones, The unsteady lift of a finite wing, NACA TN 682, January 1939, pp. 19.

1672. Troller, TH (Daniel Guggenheim Airship Institute, Akron, Ohio) Rokaus, F (Daniel Guggenheim Airship Institute, Akron, Ohio) , Pressure-distribution measurements on a tapered wing with a full-span split flap in curved flight , NACA TN-683 , 1939 , pp. 17 .

1673. Ramberg, Walter (National Bureau of Standards) MCPHERSON ALBERT E (National Bureau of Standards) Levy, Sam (National Bureau of Standards) , Experimental study of deformation and of effective width in axially loaded sheet-stringer panels , NACA TN-684 , February 1939 , pp. 108 .

1674. Kuethe, Arnold (Daniel Guggenheim Airship Institute, Akron, Ohio) , Circulation measurements about the tip of an airfoil during flight through a gust , NACA TN-685 , February 1939 , pp. 27 .

1675. Lundquist, Eugene E , Local instability of symmetrical rectangular tubes under axial compression , NACA TN-686 , February 1939 , pp. 26 .

1676. Kuhn, Paul , Loads imposed on intermediate frames of stiffened shells , NACA TN-687 , February 1939 , pp. 45 .

1677. Schey, Oscar W Clark, J Denny , Comparative performance of engines using a carburetor, manifold injection, and cylinder injection , NACA TN-688 , February 1939 , pp. 22 .

1678. Lesley, E P (Daniel Guggenheim Aero. Lab., Stanford, Univ) , Tandem air propellers , NACA TN-689 , February 1939 , pp. 17 .

1679. Wenzinger, Carl J Rogallo, Francis M , Resume of air-load data on slats and flaps , NACA TN-690 , March 1939 , pp. 37 .

1680. Kuhn, Paul , Some elementary principles of shell stress analysis with notes on the use of the shear center , NACA TN-691 , March 1939 , pp. 46 .

1681. Diehl, Walter S (Bureau of Aeronautics, Navy Department) , Some fundamental considerations in regard to the use of power in landing an airplane , NACA TN-692 , March 1939 , pp. 10 .

1682. Goett, Harry J Bicknell, Joseph , Comparison of profile-drag and boundary-layer measurements obtained in flight and in the full-scale wind tunnel , NACA TN-693 , March 1939 , pp. 16 .

1683. Fishbein, Meyer (Stanford University) , Physical properties of synthetic resin materials , NACA TN-694 , March 1939 , pp. 33 .

1684. Moore, R L (Aluminum Company of America, New Kensington, Penn) Paul, D A (Aluminum Company of America, New Kensington, Penn) , Torsional stability of aluminum alloy seamless tubing , NACA TN-696 , March 1939 , pp. 21 .

1685. Coleman, Robert , The frequency of torsional vibration of a tapered beam , NACA TN-697 , March 1939 , pp. 22 .

1686. Lesley, E P (Daniel Guggenheim Aero. Lab., Stanford University) , Propeller tests to determine the effect of number of blades at two typical solidities , NACA TN-698 , April 1939 , pp. 21 .

1687. House, R O , Tests of an N.A.C.A. 23012 Airfoil with a slotted deflector flap , NACA TN-699 , April 1939 , pp. 9 .

1688. Weiss, Herbert K , Theory of automatic control of airplanes , NACA TN-700 , April 1939 , pp. 49 .

1689. Waldron, C D , Intermittent-flow coefficients of a poppet valve , NACA TN-701 , April 1939 , pp. 14 .

1690. Bamber, M J , Wind-tunnel tests of several forms of fixed wing slot in combination with a slotted flap on an N.A.C.A. 23012 airfoil , NACA TN-702 , April 1939 , pp. 27 .

1691. Bamber, M J House, R O , Wind-tunnel investigation of effect of yaw on lateral-stability characteristics I : four N.A.C.A. 23012 wings of various plan forms with and without dihedral , NACA TN-703 , April 1939 , pp. 18 .

1692. Kuhn, Paul , Some notes on the numerical solution of shear-lag and mathematically related problems , NACA TN-704 , May 1939 , pp. 19 .

1693. Recant, Isidore G , Wind-tunnel investigation of ground effect on wings with flaps , NACA TN-705 , May 1939 , pp. 26 .

1694. Donely, Philip , An experimental investigation of the normal acceleration of an airplane model in a gust , NACA TN-706 , May 1939 , pp. 37 .

1695. Moore, Charles S Foster, Hampton H , Compression-ignition engine performance with undoped and doped fuel oils and alcohol mixtures , NACA TN-707 , August 1939 , pp. 32 .

1696. Allen, H. Julian, A Simplified Method for the Calculation of Airfoil Pressure Distribution, NACA Technical Note 708, 1939, pp. 8.

1697. Hill, H N (Aluminum Company of America) , A semi-graphical method for analyzing strains measured on three or four gage lines intersecting at 45 degrees , NACA TN-709 , May 1939 , pp. 9 .

1698. Selden, Robert F , A comparison of ignition characteristics of diesel fuels as determined in engines and in a constant-volume bomb , NACA TN-710 , June 1939 , pp. 11 .

1699. Seidman, Oscar Donlan, Charles J , An approximate spin design criterion for monoplanes , NACA TN-711 , June 1939 , pp. 11 .

1700. Rodert, Lewis A , A preliminary study of the prevention of ice on aircraft by the use of engine-exhaust heat , NACA TN-712 , June 1939 , pp. 18 .

1701. Anderson, Raymond F , A comparison of several tapered wings designed to avoid tip stalling , NACA TN-713 , June 1939 , pp. 28 .

1702. Wetmore, J W , Flight tests of retractable ailerons on a highly tapered wing , NACA TN-714 , June 1939 , pp. 17 .

1703. Harris, Thomas A , Wind-tunnel investigation of an N.A.C.A. 23012 airfoil with two arrangements of a wide-chord slotted flap , NACA TN-715 , June 1939 , pp. 24 .

1704. Parkinson, John B Olson, Roland E House, Rufus O , Hydrodynamic and aerodynamic tests of a family of models of seaplane floats with varying angles of dead rise - N.A.C.A. Models 57-A, 57-B, and 57-C , NACA TN-716 , July 1939 , pp. 36 .

1705. Lundquist, Eugene E , A method of estimating the critical buckling load for structural members , NACA TN-717 , July 1939 , pp. 37 .

1706. Axilrod, Benjamin M (National Bureau of Standards) Kline, Gordon M (National Bureau of Standards) , Resistance of transparent plastics to impact , NACA TN-718 , July 1939 , pp. 31 .

1707. House, Rufus O , The effects of partial-span slotted flaps on the aerodynamic characteristics of a rectangular and a tapered N.A.C.A. 23012 wing , NACA TN-719 , July 1939 , pp. 11 .

1708. Stickle, George W , Flight tests of N.A.C.A. nose-slot cowlings on the BFC-1 airplane , NACA TN-720 , August 1939 , pp. 34 .

1709. Ramberg, Walter (National Bureau of Standards) Mcpherson, Albert E (National Bureau of Standards) Levy, Sam (National Bureau of Standards) , Compressive tests of a monocoque box , NACA TN-721 , August 1939 , pp. 23 .

1710. Lundquist, Eugene E , Local instability of centrally loaded columns of channel section and Z-section , NACA TN-722 , August 1939 , pp. 20 .

1711. Rothrick, A M Selden, R , Adhesion of ice in its relation to the de-icing of airplanes , NACA TN-723 , August 1939 , pp. 14 .

1712. Hood, Manley J , The effects of surface waviness and of rib stitching on wing drag , NACA TN-724 , August 1939 , pp. 19 .

1713. Bell, Joe W Olson, Roland E , Tank tests to determine the effects of the chine flare of a flying-boat hull N.A.C.A. Model Series 62 and 69 , NACA TN-725 , August 1939 , pp. 38 .

1714. Gottlieb, R (University of Maryland) Thompson, T M (University of Maryland) Witt, E C (University of Maryland) , Combined beam-column stresses of aluminum-alloy channel sections , NACA TN-726 , September 1939 , pp. 18 .

1715. Rodert, Lewis A , A flight investigation of the distribution of ice-inhibiting fluids on a propeller blade , NACA TN-727 , September 1939 , pp. 13 .

1716. Duschik, Frank , Wind-tunnel investigation of an N.A.C.A. 23021 airfoil with two arrangements of a 40-percent-chord slotted flap , NACA TN-728 , September 1939 , pp. 23 .

1717. Kline, Gordon M (National Bureau of Standards) Schiefer, Herbert F (National Bureau of Standards) , An instrument for estimating tautness of doped fabrics on aircraft , NACA TN-729 , September 1939 , pp. 12 .

1718. Bamber, M J House, R G , Wind-tunnel investigation of effect of yawing on lateral-stability characteristics II : rectangular N.A.C.A. 23012 wing with a circular fuselage , NACA TN-730 , September 1939 , pp. 14 .

1719. Donely, Philip Shufflebarger, C C , Tests in the gust tunnel of a model of the XBM-1 airplane , NACA TN-731 , October 1939 , pp. 14 .

1720. Sherman, Albert , A simple method of obtaining span load distributors , NACA TN-732 , October 1939 , pp. 25 .

1721. Nile, Alfred S (Stanford University) , Experimental study of torsional column failure , NACA TN-733 , October 1939 , pp. 60 .

1722. Street, William G Ames, Milton B , Pressure-distribution investigation of an N.A.C.A. 0009 airfoil with a 50-percent-chord plain flap and three tabs , NACA TN-734 , November 1939 , pp. 42 .

1723. Troller, TH (Daniel Guggenheim Airship Institute) Rokus, F (Daniel Guggenheim Airship Institute) , Pressure-distribution measurements on a tapered wing with a partial-span split flap in curved flight , NACA TN-735 , November 1939 , pp. 13 .

1724. Mutchler, Willard (National Bureau of Standards) Galvin, W G (National Bureau of Standards) , Tidewater and weather-exposure tests on metals used in aircraft , NACA TN-736 , November 1939 , pp. 56 .

1725. Weller, R Bussey, J K , Photoelastic analysis of three-dimensional stress systems using scattered light , NACA TN-737 , November 1939 , pp. 24 .

1726. Kuhn, Paul , A recurrence formula for shear-lag problems , NACA TN-739 , December 1939 , pp. 24 .

1727. Dumont, C (Aluminum Company of America) , Stress concentration around an open circular hole in a plate subjected to bending normal to the plane of the plate , NACA TN-740 , December 1939 , pp. 25 .

1728. Bailey, F J , Jr Gustafon, F B , Observations in flight of the region of stalled flow over the blades of an autogiro rotor , NACA TN-741 , December 1939 , pp. 20 .

1729. Rokus, Frank G (Daniel Guggenheim Airship Institute) , Pressure-distribution measurements on a rectangular wing with a partial-span split flap in curved flight , NACA TN-742 , December 1939 , pp. 17 .

1730. Stowell, Elbridge Z Lundquist, Eugene E , Local instability of columns with I-, Z-, channel, and rectangular-tube sections , NACA TN-743 , December 1939 , pp. 19 .

1731. Ellerbrock, Herman H , Jr , Heat-transfer tests of a steel cylinder barrel with aluminum fins , NACA WR-E-194 , August 1939 , pp. 7 .

1732. Sherman, Albert , Preliminary report on the characteristics of the NACA 4400R series airfoils , NACA WR-L-451 , March 1939 , pp. 3 .

1733. Turner, L I , Jr , Ground-cooling and flight tests of an airplane equipped with a nose-blower engine cowling , NACA WR-L-478 , October 1939 , pp. 16 .

1734. Mchugh, James G , Tests of several model nacelle-propeller arrangements in front of a wing , NACA WR-L-510 , September 1939 , pp. 18 .

1735. Pearson, Henry A , Acceleration, stress, and deflection measurements on the XB-15 bomber in gusty air , NACA WR-L-540 , June 1939 , pp. 13 .

1736. Jones, Robert T , The unsteady lift of a wing of finite aspect ratio , NACA Report 681 , 1940 , pp. 8 .

1737. Fiock, Ernest F Marvin, Charles F , Jr Caldwell, Frank R Roeder, Carl H , Flame speeds and energy considerations for explosions in a spherical bomb , NACA Report 682 , 1940 , pp. 20 .

1738. Pinkel, Benjamin Ellerbrock, Herman H , Jr , Correlation of cooling data from an air-cooled cylinder and several multicylinder engines , NACA Report 683 , 1940 , pp. 25 .

1739. Hartman, Erwin P Biermann, David , Static thrust and power characteristics of six full-scale propellers , NACA Report 684 , 1940 , pp. 16 .

1740. Theodorsen, Theodore Garrick, I E , Mechanism of flutter.a theoretical and experimental investigation of the flutter problem , NACA Report 685 , 1940 , pp. 46 .

1741. Kantrowitz, Arthur , Stability of castering wheels for aircraft landing gears , NACA Report 686 , 1940 , pp. 16 .

1742. Stickle, George W Naiman, Irven Crigler, John L , Effect of exit-slot position and opening on the available cooling pressure for NACA nose-slot cowlings , NACA Report 687 , 1940 , pp. 12 .

1743. Silverstein, Abe Katzoff, S , Aerodynamic characteristics of horizontal tail surfaces , NACA Report 688 , 1940 , pp. 21 .

1744. Wenzinger, Carl J Harris, Thomas A , Preliminary wind-tunnel investigation of an NACA 23012 airfoil with various arrangements of venetian-blind flaps , NACA Report 689 , 1940 , pp. 16 .

1745. Katzoff, S , Longitudinal stability and control with special reference to slipstream effects , NACA Report 690 , 1940 , pp. 29 .

1746. Seidman, Oscar Neihouse, A I , Free-spinning wind-tunnel tests of a low-wing monoplane with systematic changes in wings and tails V : effect of airplane relative density , NACA Report 691 , 1940 , pp. 43 .

1747. Donely, Philip , Effective gust structure at low altitudes as determined from the reactions of an airplane , NACA Report 692 , 1940 , pp. 23 .

1748. Imlay, Frederick H , A theoretical study of lateral stability with an automatic pilot , NACA Report 693 , 1940 , pp. 13 .

1749. Diehl, Walter S , The application of basic data on planing surfaces to the design of flying-boat hulls , NACA Report 694 , 1940 , pp. 7 .

1750. Wetmore, J W Turner, L I , Jr , Determination of ground effect from tests of a glider in towed flight , NACA Report 695 , 1940 , pp. 13 .

1751. Mcadam, D J Mebs, R W , Tensile elastic properties of typical stainless steels and nonferrous metals as affected by plastic deformation and by heat treatment , NACA Report 696 , 1940 , pp. 78 .

1752. Kuhn, Paul , Investigations on the incompletely developed plane diagonal-tension field , NACA Report 697 , 1940 , pp. 26 .

1753. Manganiello, Eugene J , Piston temperatures in an air-cooled engine for various operating conditions , NACA Report 698 , 1940 , pp. 9 .

1754. Taylor, E S Leary, W A Diver, J R , Effect of fuel-air ratio, inlet temperature, and exhaust pressure on detonation , NACA Report 699 , 1940 , pp. 25 .

1755. Soule, H A , Preliminary investigation of the flying qualities of airplanes , NACA Report 700 , 1940 , pp. 17 .

1756. Brueggeman, W C Roop, Frederick C , Mechanical properties of flush-riveted joints , NACA Report 701 , 1940 , pp. 29 .

1757. Olson, R E Allison, J M , The calculated effect of various hydrodynamic and aerodynamic factors on the take-off of a large flying boat , NACA Report 702 , 1940 , pp. 16 .

1758. Soule, H A Anderson, R F , Design charts relating to the stalling of tapered wings , NACA Report 703 , 1940 , pp. 11 .

1759. Schrenk, O., A Simple approximation method for obtaining the spanwise lift distribution, NACA Technical Memorandum 948, 1940, pp. 20.

1760. De Forest, A V (Massachusetts Institute of Technology) Leaderman, H (Massachusetts Institute of Technology) , The development of electrical strain gages , NACA TN-744 , 1940 , pp. 52 .

1761. Donely, Philip Shufflebarger, C C , Tests of a gust-alleviating flap in the gust tunnel , NACA TN-745 , 1940 , pp. 25 .

1762. Burgess, C P (Bureau of Aeronautics, Navy Department) , The frequencies of cantilever wings in beam and torsional vibrations , NACA TN-746 , 1940 , pp. 14 .

1763. London, Albert (National Bureau of Standards) , Principles, practices, and progress of noise reduction in airplanes , NACA TN-748 , 1940 , pp. 81 .

1764. Ward, Kenneth E , A new method of studying the flow of the water along the bottom of a model of a flying-boat hull , NACA TN-749 , February 1940 , pp. 25 .

1765. Reissner, Hans (Armour Institute of Technology) , A generalized vortex theory of the screw propeller and its application , NACA TN-750 , February 1940 , pp. 50 .

1766. Coleman, Robert P , Damping formulas and experimental values of damping in flutter models , NACA TN-751 , February 1940 , pp. 26 .

1767. Klenperer, W B (The Soaring Society of America, Inc) , Measurement of the forces acting on gliders in towed flight , NACA TN-753 , February 1940 , pp. 23 .

1768. Rodert, Lewis A , An investigation of the prevention of ice on the airplane windshield , NACA TN-754 , March 1940 , pp. 22 .

1769. Recant, I G , Wind-tunnel investigation of an NACA 23030 airfoil with various arrangements of slotted flaps , NACA TN-755 , March 1940 , pp. 33 .

1770. Rogowski, A R (Massachusetts Institute of Technology) Bouchard, C L (Massachusetts Institute of Technology) Fayatte Taylor, C (Massachusetts Institute of Technology) , The effects of piston-head shape, cylinder-head shape, and exhaust restriction, on the performance of a piston-ported two-stroke cylinder , NACA TN-756 , March 1940 , pp. 42 .

1771. Pearson, Henry A , A study of unsymmetrical-loading conditions , NACA TN-757 , April 1940 , pp. 47 .

1772. Donely, Philip Pierce, Harold B Pepoon, Philip W , Measurements and analysis of the motion of a Canard airplane model in gusts , NACA TN-758 , April 1940 , pp. 31 .

1773. Ames, Milton B. and Sears, Richard I., Pressure-distribution investigation on an NACA 0009 airfoil with a 30-percent-chord plain flap and three tabs, NACA Technical Note 759, 1940, pp. 44.

1774. .

1775. .

1776. Howard, Walter B , Jr , A full-scale investigation of the effect of several factors on the shimmy of cantering wheels , NACA TN-760 , April 1940 , pp. 23 .

1777. Ames, Milton B , Jr Sears, Richard I , Pressure-distribution investigation of an NACA 0009 airfoil with an 80-percent-chord plain flap and three tabs , NACA TN-761 , May 1940 , pp. 35 .

1778. Ames, Milton B , Jr , Wind-tunnel investigation of two airfoils with 25-percent-chord Gwinn and plain flaps , NACA TN-763 , May 1940 , pp. 14 .

1779. Bailey, F J , Jr , Flight investigation of control-stick vibration of the YG-1B autogiro , NACA TN-764 , June 1940 , pp. 19 .

1780. Pinkel, Benjamin Mangniello, Eugene J , A method of measuring piston temperatures , NACA TN-765 , June 1940 , pp. 17 .

1781. Lee, Dana W., A study of the air movement in two aircraft-engine cylinders, NACA Technical Note 766, 1940, pp. 13.

1782. .

1783. .

1784. Lee, Dana W , The effects of engine speed and mixture temperature on the knocking characteristics of several fuels , NACA TN-767 , July 1940 , pp. 20 .

1785. Rothrock, A M Biermann, Arnold E , Correlation of knocking characteristics of fuels in an engine having a hemispherical combustion chamber , NACA TN-768 , July 1940 , pp. 18 .

1786. Seidman, Oscar Mcavoy, William H , Spin tests of a low-lying monoplane in flight and in the free-spinning wind tunnel , NACA TN-769 , July 1940 , pp. 11 .

1787. Dumont, C (Aluminum Company of America) Hill, H N (Aluminum Company of America) , The lateral stability of equal-flanged aluminum-alloy I-beams subjected to pure bending , NACA TN-770 , August 1940 , pp. 28 .

1788. Gerrish, Harold C Voss, Fred , Analysis of cylinder-pressure-indicator diagrams showing effects of mixture strength and spark timing , NACA TN-772 , August 1940 , pp. 14 .

1789. Hill, H N (Aluminum Company of America) , Chart for critical compressive stress of flat rectangular plates , NACA TN-773 , August 1940 , pp. 17 .

1790. Hasting, Charles E , Ionization in the knock zone of an internal-combustion engine , NACA TN-774 , September 1940 , pp. 20 .

1791. Pass, H. R., Analysis of wind-tunnel data on directional stability and control, NACA Technical Note 775, 1940, pp. 43.

1792. Neihouse, A I , The aileron as an aid to recovery from the spin , NACA TN-776 , September 1940 , pp. 22 .

1793. Thompson, F. L. and Gilruth, R. R., Notes on the stalling of vertical tail surfaces and on fin design, NACA Technical Note 778, 1940, pp. 15.

1794. .

1795. .

1796. .

1797. Gracey, William , Measured moments of inertia of 32 airplanes , NACA TN-780 , October 1940 , pp. 29 .

1798. Joyner, Upshur T , Mathematical analysis of aircraft intercooler design , NACA TN-781 , October 1940 , pp. 19 .

1799. Swanson, Robert S Harris, Thomas A , Wind tunnel tests of an NACA 23021 airfoil equipped with a slotted extensible and a plain extensible flap , NACA TN-782 , November 1940 , pp. 11 .

1800. Jones, Alun R Rodert, Lewis A , A flight investigation of exhaust-heat de-icing , NACA TN-783 , November 1940 , pp. 23 .

1801. Winter, George (Cornell University) , Stress distribution in and equivalent width of flanges of wide, thin-wall steel beams , NACA TN-784 , 1940 , pp. 26 .

1802. Hoggard, H Page, Jr , Wind tunnel investigation of fuselage stability in yaw with various arrangements of fins , NACA TN-785 , November 1940 , pp. 16 .

1803. Upscon, Ralph H (Stout Skycraft Corporation) , Structural tests of a stainless steel wing panel by hydrostatic loading , NACA TN-786 , November 1940 , pp. 36 .

1804. Ku, P M (Massachusetts Institute of Technology) , Factors affecting heat transfer in the internal-combustion engine , NACA TN-787 , December 1940 , pp. 26 .

1805. Harmon, Hubert N , Drag determination of the forward component of a tricycle landing gear , NACA TN-788 , December 1940 , pp. 26 .

1806. Aitchison, C S (National Bureau of Standards) , Extension of pack method for compressive tests , NACA TN-789 , December 1940 , pp. 10 .

1807. Paul, D A (Aluminum Company of America) Moore, R L (Aluminum Company of America) , Cyclic stress-strain studies of metals in torsion , NACA TN-790 , December 1940 , pp. 19 .

1808. Ellerbrock, Herman H , Jr , Heat-transfer tests of two steel cylinder barrels with aluminum fins manufactured by factory production method , NACA WR-E-195 , August 1940 , pp. 4 .

1809. Ellerbrock, Herman H , Jr , Heat transfer tests of a steel cylinder barrel with aluminum fins with improved bonding between steel barrel and aluminum base , NACA WR-E-196 , July 1940 , pp. 8 .

1810. Mann, Alvin H , Heat-transfer tests of a steel cylinder barrel with aluminum fins of optimum proportions , NACA WR-E-204 , November 1940 , pp. 7 .

1811. Purser, Paul E , Wind-tunnel investigation of an NACA 23012 airfoil with two sizes of balanced split flap , NACA WR-L-441 , November 1940 , pp. 13 .

1812. Baals, Donald D , Wind tunnel tests of a submerged-engine fuselage design , NACA WR-L-485 , October 1940 , pp. 16 .

1813. Dearborn, C. H. and Silverstein, Abe., Drag Analysis of Single-Engine Military Airplanes Tested in the NACA Full-Scale Wind Tunnel, NACA Wartime Report L 489, 1940, pp. 42.

1814. Von Doenhoff, Albert E , Investigation of the boundary layer about a symmetrical airfoil in a wind tunnel of low turbulence , NACA WR-L-507 , August 1940 , pp. 14 .

1815. Draley, Eugene C , High-speed drag tests of several fuselage shapes in combination with a wing , NACA WR-L-542 , August 1940 , pp. 15 .

1816. Rothrock, A M Spencer, R C Miller, Cearcy D , A high-speed motion-picture study of normal combustion, knock and preignition in a spark-ignition engines , NACA Report 704 , 1941 , pp. 16 .

1817. House, Rufus O Wallace, Arthur R , Wind-tunnel investigation of effect of interference on lateral-stability characteristics of four NACA 23012 wings, an elliptical and a circular fuselage and vertical fins , NACA Report 705 , 1941 , pp. 20 .

1818. Wenzinger, Carl J Rogallo, Francis M , Wind-tunnel investigation of spoiler, deflector, and slot lateral-control devices on wings with full-span split and slotted flaps , NACA Report 706 , 1941 , pp. 30 .

1819. Gracey, William , The additional-mass effect of plates as determined by experiments , NACA Report 707 , 1941 , pp. 10 .

1820. Bullivant, W Kenneth , Tests of the NACA 0025 and 0035 airfoils in the full-scale wind tunnel , NACA Report 708 , 1941 , pp. 17 .

1821. Jones, Robert T Cohen, Doris , An analysis of the stability of an airplane with free controls , NACA Report 709 , 1941 , pp. 12 .

1822. Spencer, R C , Preignition characteristics of several fuels under simulated engine conditions , NACA Report 710 , 1941 , pp. 16 .

1823. Gilruth, R R White, M D , Analysis and prediction of longitudinal stability of airplanes , NACA Report 711 , 1941 , pp. 16 .

1824. Stickle, George W Crigler, John L , Propeller analysis from experimental data , NACA Report 712 , 1941 , pp. 18 .

1825. Rogallo, F M , Internal-flow systems for aircraft , NACA Report 713 , 1941 , pp. 27 .

1826. Dutee, Francis J , An apparatus for measuring rates of discharge of a fuel-injection system , NACA Report 714 , 1941 , pp. 8 .

1827. Gilruth, R R Turner, W N , Lateral control required for satisfactory flying qualities based on flight tests of numerous airplanes , NACA Report 715 , 1941 , pp. 7 .

1828. Bailey, F J , Jr , A simplified theoretical method of determining the characteristics of a lifting rotor in forward flight , NACA Report 716 , 1941 , pp. 18 .

1829. Waldron, C D , Flow coefficients of monosleeve valves , NACA Report 717 , 1941 , pp. 13 .

1830. Harris, Thomas A Lowry, John G , Pressure distribution over NACA 23012 airfoil with a slotted and a split flap , NACA Report 718 , 1941 , pp. 26 .

1831. Brevoort, M J Joyner, U T , The problem of cooling an air-cooled cylinder on an aircraft engine , NACA Report 719 , 1941 , pp. 15 .

1832. Stickle, George W Naiman, Irven Crigler, John L , Pressure available for cooling with cowling flaps , NACA Report 720 , 1941 , pp. 11 .

1833. Ames, Milton B Sears, Richard I , Determination of control-surface characteristics from NACA plain-flap and tab data , NACA Report 721 , 1941 , pp. 27 .

1834. Jones, Robert T Cohen, Doris , A graphical method of determining pressure distribution in two-dimensional flow , NACA Report 722 , 1941 , pp. 7 .

1835. Harris, Thomas A Recant, Isidore G , Wind-tunnel investigation of NACA 23012, 23021, and 23030 airfoils equipped with 40-percent-chord double slotted flaps , NACA Report 723 , 1941 , pp. 31 .

1836. Roop, Frederick C , Effect of aging on mechanical properties of aluminum-alloy rivets , NACA Report 724 , 1941 , pp. 17 .

1837. Stickle, George W Crigler, John L Naiman, Irven , Effect of body nose shape on the propulsive efficiency of a propeller , NACA Report 725 , 1941 , pp. 29 .

1838. Biermann, Arnold E Ellerbrock, Herman H , Jr , The design of fins for air-cooled cylinders , NACA Report 726 , 1941 , pp. 24 .

1839. Voss, Fred , Design of nozzles for the individual cylinder exhaust jet propulsion system , NACA WR-E-83 NACA-Report 765 , April 1941 , pp. 34 .

1840. Eckert, E. and Weise, W., The temperature of unheated bodies in a high-speed gas stream, NACA Technical Memorandum 1000, 1941, pp. 21.

1841. .

1842. Newell, Joseph S (Massachusetts Institute of Technology) Reissner, Eric (Massachusetts Institute of Technology) , Shear lag in corrugated sheets used for the chord member of a box beam , NACA TN-791 , 1941 , pp. 70 .

1843. Stickley, G W (Aluminum Company of America) , Effect of alternately high and low repeated stresses upon the fatigue strength of 25S-T aluminum alloy , NACA TN-792 , 1941 , pp. 7 .

1844. Templin, R L (Aluminum Company of America) Howell, F M (Aluminum Company of America) Hartmann, E C (Aluminum Company of America) , The compressive yield strength of extruded shapes of 24st aluminum alloy , NACA TN-793 , 1941 , pp. 19 .

1845. Buck, Richard S (Pratt & Whitney Aircraft) , Two-stage supercharging , NACA TN-794 , February 1941 , pp. 33 .

1846. Wasielewski, Eugene W King, J Austin , Effect of several supercharger control methods on engine performance , NACA TN-795 , February 1941 , pp. 25 .

1847. Ames, Milton B Sears, Richard I , Determination of control-surface characteristics from NACA plain-flap and tab data , NACA TN-796 , 1941 , pp. 46 .

1848. KATZOFF S Mutterperl, William , The end-plate effect of a horizontal-tail surface on vertical tail surface , NACA TN-797 , February 1941 , pp. 25 .

1849. Hill, H N (Aluminum Company of America) , Compression tests of some 17S-T aluminum-alloy specimens of I cross section , NACA TN-798 , March 1941 , pp. 22 .

1850. Rodert, Lewis A , The effects of aerodynamic heating on ice formations on airplane propellers , NACA TN-799 , March 1941 , pp. 17 .

1851. Holt, Marshall (Aluminum Company of America) , Tests on stiffened circular cylinders , NACA TN-800 , March 1941 , pp. 20 .

1852. Wenzinger, Carl J Bowen, John D , Tests of round and flat spoilers on a tapered wing in the NACA 19-foot pressure wind tunnel , NACA TN-801 , March 1941 , pp. 12 .

1853. Shufflebarger, C C , Tests of a gust-alleviating wing in the gust tunnel , NACA TN-802 , April 1941 , pp. 22 .

1854. Rhode, Richard V , Some effects of rainfall on flight of airplanes and on instrument indications , NACA TN-803 , April 1941 , pp. 16 .

1855. Recant, Isidore G Wallace, Arthur R , Wind-tunnel investigation of the effect of vertical position of the wing on the side flow in the region of the vertical tail , NACA TN-804 , April 1941 , pp. 32 .

1856. Roop, Frederick C (National Bureau of Standards) , Effect of aging on mechanical properties of aluminum-alloy rivets , NACA TN-805 , April 1941 , pp. 33 .

1857. Roark, Raymond J (University of Wisconsin) , Stresses and deflections in thin shells and curved plates due to concentrated and variously distributed loading , NACA TN-806 , May 1941 , pp. 26 .

1858. Donlan, Charles C , Spin tests of two models of a low-wing monoplane to investigate scale effect in the model test range , NACA TN-807 , May 1941 , pp. 23 .

1859. Lowry, John G , Wind-tunnel investigation of an NACA 23012 airfoil with several arrangements of slotted flaps with extended lips , NACA TN-808 , 1941 , pp. 20 .

1860. Imlay, Frederick H , The theoretical lateral motions of an automatically controlled airplane subjected to a yawing moment disturbance , NACA TN-809 , June 1941 , pp. 24 .

1861. Shortal, Joseph A Osterbout, Clayton J , Preliminary stability and control tests in the NACA free-flight wind tunnel and correlation with flight tests , NACA TN-810 , June 1941 , pp. 30 .

1862. Holt, Marshall (Aluminum Company of America) , The effect of methods of testing on the ultimate loads supported by stiffened flat sheet panels under edge compression , NACA TN-811 , June 1941 , pp. 27 .

1863. Pepper, Perry A (New York University) , Minimum induced drag in wing-fuselage interference , NACA TN-812 , September 1941 , pp. 49 .

1864. Turner, L I , Jr Bierman, David Boothy, W B , Cooling effects of an airplane equipped with an NACA cowling and a wing-duct cooling system , NACA TN-813 , June 1941 , pp. 25 .

1865. Bamber, Millard J , Effects of some present-day airplane design trends on requirements for lateral stability , NACA TN-814 , June 1941 , pp. 25 .

1866. Ellerbrock, Herman H , Jr Bullock, Robert O , Cooling and performance tests of a Continental A-75 engine , NACA TN-816 , July 1941 , pp. 32 .

1867. Jones, Robert T , Correction of the lifting-line theory for the effect of the chord , NACA TN-817 , 1941 , pp. 9 .

1868. Mebs, R W (National Bureau of Standards) Mcadams, D J (National Bureau of Standards) , The tensile elastic properties at low temperatures of 18:8 Cr-Ni steel as affected by heat treatment and slight plastic deformation , NACA TN-818 , July 1941 , pp. 24 .

1869. Paul, D A (Aluminum Company of America.) Howell, F M (Aluminum Company of America) Grieshaber, H E (Aluminum Company of America) , Comparison of stress-strain curves obtained by single-thickness and pack methods , NACA TN-819 , August 1941 , pp. 17 .

1870. Corson, Blake W , The aerodynamics of a wind-tunnel fan , NACA TN-820 , 1941 , pp. 35 .

1871. Moore, R L (Aluminum Company of America) , Some comparative tests of plain and alclad 24s-t sheet , NACA TN-821 , August 1941 , pp. 24 .

1872. Lesley, E P (Stanford University) , Tandem air propellers - II , NACA TN-822 , August 1941 , pp. 33 .

1873. Recant, I G , Plate method of ground representation for wind-tunnel determination of elevator effectiveness in landing , NACA TN-823 , September 1941 , pp. 16 .

1874. Hutton, J O (University of Maryland) , Combined beam-column stresses of aluminum-alloy channel sections , NACA TN-824 , September 1941 , pp. 22 .

1875. Recant, Isadore G Wallace, Arthur R , Wind-tunnel investigation of effect of yaw on lateral-stability characteristics III : symmetrically tapered wing at various positions on circular fuselage with and without a vertical tail , NACA TN-825 , September 1941 , pp. 25 .

1876. Howell, F M (Aluminum Company of America) , Variation of properties throughout cross section of two extruded shapes , NACA TN-826 , September 1941 , pp. 14 .

1877. Driggs, H I (Navy Department) , Analytical determination of control system pulley-axis angles , NACA TN-827 , September 1941 , pp. 13 .

1878. Pearson, H A Garvin, J B , Velocity gained and altitude lost in recoveries from inclined flight paths , NACA TN-829 , October 1941 , pp. 26 .

1879. Peterson, John B (National Bureau of Standards) , Damping characteristics of dashpots , NACA TN-830 , 1941 , pp. 19 .

1880. Rea, James Buchanan (Massachusetts Institute of Technology) , A method of determining the equilibrium performance and the stability of an engine equipped with an exhaust turbosupercharger , NACA TN-831 , November 1941 , pp. 43 .

1881. Pollard, R E (National Bureau of Standards) Reinhart, Fred M (National Bureau of Standards) , Relief of residual stress in streamline tie rods by heat treatment , NACA TN-832 , November 1941 , pp. 54 .

1882. Kuhn, Paul , Ultimate stresses developed by 24S-T sheet in incomplete diagonal tension , NACA TN-833 , December 1941 , pp. 11 .

1883. Knight, Montgomery (Georgia School of Technology) Hegner, Ralph A (Georgia School of Technology) , Analysis of ground effect on the lifting airscrew , NACA TN-835 , December 1941 , pp. 36 .

1884. Olson, Roland E Lina, Lindsay J , Hydrodynamic tests of a 1/10-size model of the hull of the Latecoere 521 flying boat : NACA model 83 , NACA TN-836 , December 1941 , pp. 23 .

1885. Jones, Robert , Notes on the stability and control of tailless airplanes , NACA TN-837 , 1941 , pp. 29 .

1886. Krsek, Alois, Jr , Investigation of naphthalene as a possible aircraft fuel , NACA WR-E-168 , August 1941 , pp. 12 .

1887. Ames, Milton B , Wind-tunnel investigation of control-surface characteristics III : a small aerodynamic balance of various nose shapes used with a 30-percent-chord flap on an NACA 0009 airfoil , NACA WR-L-301 , August 1941 , pp. 18 .

1888. Eastman, Donald R , Wind-tunnel investigation of control-surface characteristics IV : a medium aerodynamic balance of various nose shapes used with a 30-percent-chord flap on an NACA 0009 airfoil , NACA WR-L-355 , September 1941 , pp. 14 .

1889. Sears, Richard I , Wind-tunnel investigation of control-surface characteristics I : effect of gap on the aerodynamic characteristics of an NACA 0009 airfoil with a 30-percent-chord plain flap , NACA WR-L-377 , June 1941 , pp. 10 .

1890. Hoggard, H Page, Jr , Wind-tunnel investigation of control-surface characteristics II : a large aerodynamic balance of various nose shapes with a 30-percent-chord flap on an NACA 0009 airfoil , NACA WR-L-380 , August 1941 , pp. 12 .

1891. Garvin, J B , An analytical study of wing and tail loads associated with an elevator deflection , NACA WR-L-443 , June 1941 , pp. 20 .

1892. Turner, Thomas R , Wind-tunnel investigation of perforated split flaps for use as dive brakes on a rectangular NACA 23012 airfoil , NACA WR-L-445 , July 1941 , pp. 10 .

1893. Schuldenfrei, Marvin J , Wind-tunnel investigation of an NACA 23021 airfoil with two sizes of balanced split flaps , NACA WR-L-449 , February 1941 , pp. 13 .

1894. Olson, Roland E , Tank tests of a 1/5 full-size dynamically similar model of the Army OA-9 amphibian with motor-driven propellers : NACA model 117 , NACA WR-L-475 , December 1941 , pp. 13 .

1895. Conway, Robert N , The selection of propellers for high thrust at low airspeed , NACA WR-L-483 , October 1941 , pp. 18 .

1896. Pierce, Harold B , Dynamic stress calculations for two airplanes in various gusts , NACA WR-L-484 , September 1941 .

1897. Tifford, Arthur N , Internally finned honeycomb radiators , NACA WR-L-492 , December 1941 , pp. 12 .

1898. Mastrocola, Nicholas , Static characteristics of Hamilton Standard propellers having Clark Y and NACA 16 series blade sections , NACA WR-L-529 , August 1941 , pp. 12 .

1899. Gray, W H , Wind-tunnel tests of two Hamilton Standard propellers embodying Clark Y and NACA 16 series blade sections , NACA WR-L-530 , August 1941 , pp. 7 .

1900. Platt, Robert C , A flight investigation of the boundary-layer characteristics and profile drag of the NACA 35-215 laminar-flow airfoil at high Reynolds numbers , NACA WR-L-532 , May 1941 , pp. 11 .

1901. Lowry, John G , Power-off wind-tunnel tests of the 1/8-scale model of the Brewster F2A airplane , NACA WR-L-543 , June 1941 , pp. 7 .

1902. Goett, Harry J. and Pass, H. R., Effect of propeller operation on the pitching moments of single-engine monoplanes, NACA Wartime Report L 761, 1941, pp. 31.

1903. Miller, Cearcy D , A study by high-speed photography of combustion and knock in a spark-ignition engine , NACA Report 727 , 1942 , pp. 22 .

1904. Kaplan, Carl , On the use of residue theory for treating the subsonic flow of a compressible fluid , NACA Report 728 , 1942 , pp. 9 .

1905. Bell, E Barton , Test of single-stage axial-flow fan , NACA Report 729 , 1942 , pp. 16 .

1906. Robinson, Russell G Delano, James B , An investigation of the drag of windshields in the 8-foot high-speed wind tunnel , NACA Report 730 , 1942 , pp. 13 .

1907. Jones, Robert T Cohen, Doris , Determination of optimum plan forms for control surfaces , NACA Report 731 , 1942 , pp. 6 .

1908. Harris, Thomas A Lowry, John G , Pressure distribution over an NACA 23012 airfoil with a fixed slot and a slotted flap , NACA Report 732 , 1942 , pp. 13 .

1909. Lundquist, Eugene E Stowell, Elbridge Z , Critical compressive stress for flat rectangular plates supported along all edges and elastically restrained against rotation along the unloaded edges , NACA Report 733 , 1942 , pp. 11 .

1910. Lundquist, Eugene E Stowell, Elbridge Z , Critical compressive stress for outstanding flanges , NACA Report 734 , 1942 , pp. 11 .

1911. Lundquist, Eugene E Stowell, Elbridge Z , Restraint provided a flat rectangular plate by a sturdy stiffener along an edge of the plate , NACA Report 735 , 1942 , pp. 5 .

1912. Theodorsen, Theodore Garrick, I E , Nonstationary flow about a wing-aileron-tab combination including aerodynamic balance , NACA Report 736 , 1942 , pp. 10 .

1913. Levy, Samuel , Bending of rectangular plates with large deflections , NACA Report 737 , 1942 , pp. 19 .

1914. Katzoff, S Sweberg, Harold H , Ground effect on downwash angles and wake location , NACA Report 738 , 1942 , pp. 12 .

1915. Kuhn, Paul Chiarito, Patrick T , Shear lag in box beams methods of analysis and experimental investigations , NACA Report 739 , 1942 , pp. 38 .

1916. Levy, Samuel , Square plate with clamped edges under normal pressure producing large deflections , NACA Report 740 , 1942 , pp. 14 .

1917. Theodorsen, Theodore Garrick, I E , Flutter calculations in three degrees of freedom , NACA Report 741 , 1942 , pp. 18 .

1918. Rogallo, F M Spano, Bartholomew S , Wind-tunnel investigation of an NACA 23012 airfoil with 30 percent-chord venetian-blind flaps , NACA Report 742 , 1942 , pp. 8 .

1919. Harris, Thomas A Recant, Isidore G , Investigation in the 7- by 10-foot wind tunnel of ducts for cooling radiators within an airplane wing , NACA Report 743 , 1942 , pp. 19 .

1920. Mcpherson, Albert E Ramberg, Walter Levy, Samuel , Normal-pressure tests of circular plates with clamped edges , NACA Report 744 , 1942 , pp. 17 .

1921. Robinson, Russell G Becker, John V , High-speed tests of conventional radial-engine cowlings , NACA Report 745 , 1942 , pp. 13 .

1922. Silverstein, Abe Wilson, Herbert A , Jr , Drag and propulsive characteristics of air-cooled engine-nacelle installations for large airplane , NACA Report 746 , 1942 , pp. 18 .

1923. Biermann, David Hartman, Edwin P , Wind-tunnel tests of four- and six-blade single- and dual-rotating tractor propellers , NACA Report 747 , 1942 , pp. 29 .

1924. Ramberg, Walter Mcpherson, Albert E Levy, Samuel , Normal-pressure tests of rectangular plates , NACA Report 748 , 1942 , pp. 23 .

1925. Biermann, David Conway, Robert N , Propeller charts for the determination of the rotational speed for the maximum ratio of the propulsive efficiency to the specific fuel consumption , NACA Report 749 , 1942 , pp. 18 .

1926. Becker, John V LEONARD LLOYD H , High-speed tests of a model twin-engine low-wing transport airplane , NACA Report 750 , 1942 , pp. 22 .

1927. Diehl, Walter S , The mean aerodynamic chord and the aerodynamic center of a tapered wing , NACA Report 751 , 1942 , pp. 8 .

1928. Mccullough, George B , A method for determining the rate of heat transfer from a wing or streamline body , NACA WR-A-40 NACA-Report 830 , December 1942 , pp. 23 .

1929. Keune, F., Two-dimensional potential flow past an ordinary thick wing profile, NACA Technical Memorandum 1023, 1942, pp. 62.

1930. Semenov, N. N., Thermal theory of combustion and explosion, NACA Technical Memorandum 1024, 1942, pp. 56.

1931. Sokolik, A. S., Self-ignition and combustion of gases, NACA Technical Memorandum 1025, 1942, pp. 53.

1932. N. N. Semenov, Thermal Theory of Combustion and Explosion III. Theory of Normal Flame Propagation, NACA Technical Memorandum 1026, 1942, pp. 79.

1933. Bleeker, W., The formation of ice on aircraft, NACA Technical Memorandum 1027, 1942, pp. 12.

1934. Robitzsch, M., The icing of aircraft, NACA Technical Memorandum 1028, 1942, pp. 10.

1935. Mohr, Ernst, The navier-stokes stress principle for viscous fluids, NACA Technical Memorandum 1029, 1942, pp. 14.

1936. Hantzsche, W. and Wendt, H., The compressible potential flow past elliptic symmetrical cylinders at zero angle of attack and with no circulation, NACA Technical Memorandum 1030, 1942, pp. 19.

1937. Blumrich, S., Contribution to the design of plywood shells, NACA Technical Memorandum 1031, 1942, pp. 21.

1938. Fuchs, D., Wind-tunnel investigations of diving brakes, NACA Technical Memorandum 1033, 1942, pp. 17.

1939. Ackeret, J. and Keller, D. C., Aerodynamic heat-power engine operating on a closed cycle, NACA Technical Memorandum 1034, 1942, pp. 34.

1940. Steiglitz, A., Control of torsional vibrations by pendulum masses, NACA Technical Memorandum 1035, 1942, pp. 45.

1941. Multhopp, R., Aerodynamics of the fuselage, NACA Technical Memorandum 1036, 1942, pp. 41.

1942. Schweitzer, P H (The Pennsylvania State College) Deluca, Frank, Jr (The Pennsylvania State College) , The tracer gas method of determining the charging efficiency of two-stroke-cycle diesel engines , NACA TN-838 , 1942 , pp. 42 .

1943. Forbes, J E (Massachusetts Institute of Technology) Taylor, E S (Massachusetts Institute of Technology) , Rise in temperature of the charge in its passage through the inlet valve and port of an air-cooled aircraft engine cylinder , NACA TN-839 , 1942 , pp. 42 .

1944. Atchison, C S (National Bureau of Standards) Miller, James A (National Bureau of Standards) , Tensile and pack compressive tests of some sheets of aluminum alloy, 1025 carbon steel, and chromium-nickel steel , NACA TN-840 , February 1942 , pp. 33 .

1945. Weller, R (State College of Washington) Hiddlehurst, D J (State College of Washington) Steiner, R (State College of Washington) , The photoviscous properties of fluids , NACA TN-841 , February 1942 , pp. 43 .

1946. Mutchler, Willard (National Bureau of Standards) Galvin, W G (National Bureau of Standards) , Tidewater and weather-exposure tests on metals used in aircraft II. , NACA TN-842 , February 1942 , pp. 55 .

1947. Hartmann, E C (Aluminum Company of America) Sharp, W H (Aluminum Company of America) , A summary of results of various investigations of the mechanical properties of aluminum alloys at low temperatures , NACA TN-843 , May 1942 , pp. 13 .

1948. Klemperer, W B (Southern California Soaring Association, Inc) , Investigation of the forces acting on gliders in automobile-pulley-winch and airplane towed flight , NACA TN-844 , March 1942 , pp. 40 .

1949. Katzoff, S Sweberg, Harold H , Ground effect on downwash angles and wake location , NACA TN-845 , May 1942 , pp. 26 .

1950. Levy, Samuel (National Bureau of Standards) , Square plate with clamped edges under normal pressure producing large deflections , NACA TN-847 , 1942 , pp. 30 .

1951. Mcpherson, Albert E (National Bureau of Standards) Ramberg, Walter (National Bureau of Standards) Levy, Samuel (National Bureau of Standards) , Normal-pressure tests of circular plates with clamped edges , NACA TN-848 , 1942 , pp. 56 .

1952. Ramberg, Walter (National Bureau of Standards) Mcpherson, Albert E (National Bureau of Standards) Levy, Samuel (National Bureau of Standards) , Normal-pressure tests of rectangular plates , NACA TN-849 , June 1942 , pp. 52 .

1953. Workman, E J (University of New Mexico) Holzer, R E (University of New Mexico) , A preliminary investigation of the electrical structure of thunderstorms , NACA TN-850 , July 1942 , pp. 46 .

1954. Lundquist, Eugene E Stowell, Elbridge Z , Strength tests of thin-walled elliptic duralumin cylinders in pure bending and in combined pure bending and torsion , NACA TN-851 , June 1942 , pp. 16 .

1955. Dolan, Thomas J (University of Illinois, Urbana, Illinois) , Effects of range of stress and of special notches on fatigue properties of aluminum alloys suitable for airplane propellers , NACA TN-852 , June 1942 , pp. 40 .

1956. Levy, Samuel (National Bureau of Standards) Greenman, Samuel (National Bureau of Standards) , Bending with large deflection of a clamped rectangular plate with length-width ratio of 1.5 under normal pressure , NACA TN-853 , April 14, 1942 , pp. 51 .

1957. Templin, R L (Aluminum Company of America) Fogwell, J W (Aluminum Company of America) , Design of tools for press-countersinking or dimpling 0.040-inch-thick-24S-T sheet , NACA TN-854 , August 1942 , pp. 12 .

1958. Cohen, Doris , A method for determining the camber and twist of a surface to support a given distribution of lift , NACA TN-855 , August 1942 , pp. 24 .

1959. Ramberg, Walter Levy, Samuel Mcpherson, Albert E , Effect of rivet and spot-weld spacing on the strength of axially loaded sheet-stringer panels , NACA TN-856 , August 1942 , pp. 48 .

1960. STRICKLEY G W (Aluminum Company of America) , Improvement of fatigue life of an aluminum alloy by overstressing , NACA TN-857 , August 1942 , pp. 15 .

1961. Truscott, Starr Dawson, John R , A comparison of the results from general tank tests of 1/6- and 1/12-full-size models of the British Singapore IIC flying boat , NACA TN-858 , August 1942 , pp. 26 .

1962. Dunn, Louis G (California Institute of Technology, Pasadena, Calif) , On the distribution of stress in a thin plate elastically supported along two edges at loads beyond the stability limit , NACA TN-859 , October 1942 , pp. 67 .

1963. Lundquist, Eugene E Schwartz, Edward B , The critical compression load for a universal testing machine when the specimen is loaded through knife edges , NACA TN-860 , September 1942 , pp. 20 .

1964. Munger, Maurice Wilsted, H D Mulcahy, B A , The effect of valve cooling upon maximum permissible engine output as limited by knock , NACA TN-861 , September 1942 , pp. 20 .

1965. Moore, R L (Aluminum Company of America) , An investigation of the effectiveness of stiffeners on shear-resistant plate-girder webs , NACA TN-862 , September 1942 , pp. 62 .

1966. Hootman, J A Jones, A R , Results of landing tests of various airplanes , NACA TN-863 , September 1942 , pp. 26 .

1967. Workman, E J (University of New Mexico) Helzer, R E (University of New Mexico) Pelsor, G T (University of New Mexico) , The electrical structure of thunderstorms , NACA TN-864 , November 1942 , pp. 66 .

1968. Hartmann, E C (Aluminum Company of America) Stickley, G W (Aluminum Company of America) , The direct-stress fatigue strength of 17S-T aluminum alloy throughout the range from 1/2 to 500,000,000 cycles of stress , NACA TN-865 , September 1942 , pp. 10 .

1969. Lundquist, Eugene E Schwartz, Edward B , A study of general instability of box beams with truss-type ribs , NACA TN-866 , November 1942 , pp. 37 .

1970. Moore, R L (Aluminum Company of America) Holt, Marshall (Aluminum Company of America) , Beam and torsion tests of aluminum-alloy 615-T tubing , NACA TN-867 , October 1942 , pp. 24 .

1971. Clark, Donald S (California Institute of Technology) , The influence of impact velocity on the tensile characteristics of some aircraft metals and alloys , NACA TN-868 , October 1942 , pp. 62 .

1972. HARTMANN E C (Aluminum Company of America) Stickley, G W (Aluminum Company of America) , Summary of results of tests made by aluminum research laboratories of spot-welded joints and structural elements , NACA TN-869 , November 1942 , pp. 41 .

1973. Ruffner, Benjamin F (Oregon State College, Corvallis, Oreg) , Stress analysis of monocoque fuselage bulkheads by the photoelastic method , NACA TN-870 , December 1942 , pp. 55 .

1974. Niles, Alfred S (Stanford University, California) Viscovich, Steven J (Stanford University, California) , Stability of elastically supported columns , NACA TN-871 , March 23, 1942 , pp. 21 .

1975. Levy, Samuel (National Bureau of Standards, Washington, D.C) Mcpherson, Albert E (National Bureau of Standards, Washington, D.C) Ramberg, Walter (National Bureau of Standards, Washington D.C) , Torsion tests of a monocoque box , NACA TN-872 , November 1942 , pp. 34 .

1976. Mcpherson, Albert E (National Bureau of Standards) Ramberg, Walter (National Bureau of Standards) Levy, Samuel (National Bureau of Standards) , Bending tests of a monocoque box , NACA TN-873 , 1942 , pp. 35 .

1977. Von Hippel, Arthur R (Massachusetts Institute of Technology) Dietz, A G H (Massachusetts Institute of Technology) , Curing of resin-wood combinations by high-frequency heating , NACA TN-874 , December 1942 , pp. 47 .

1978. Klemperer, W B (Douglas Aircraft Company, Inc) , A rosette strain computer , NACA TN-875 , December 1942 , pp. 16 .

1979. Wildhack, W A (National Bureau of Standards, Washington, D.C) Goerke, V H (National Bureau of Standards, Washington, D.C) , The limiting useful deflections of corrugated metal diaphragms , NACA TN-876 , December 1942 , pp. 47 .

1980. Paul, D A (Aluminum Company of America, New Kensington, Penna) , An exploration of the longitudinal tensile and compressive properties throughout an extruded shape of 24S-T aluminum alloy , NACA TN-877 , December 1942 , pp. 13 .

1981. Glodeck, Edward , Performance characteristics of mixed-flow impeller and vaned diffuser with several modifications , NACA WR-E-197 , July 1942 , pp. 9 .

1982. King, J Austin , Performance of two-stage turbosupercharger using mixed-flow impellers , NACA WR-E-203 , October 1942 , pp. 7 .

1983. Smith, Norman F , Aerodynamic tests of an M-31 bomb in the 8-foot high-speed tunnel , NACA WR-L-132 , August 25, 1942 , pp. 7 .

1984. Sears, Richard I , Wind tunnel investigation of control surface characteristics IX : some analytical considerations and experimental test results for an internally balanced flap , NACA WR-L-339 , July 1942 , pp. 21 .

1985. Hoggard, H Page, Jr , Wind tunnel investigation of control-surface characteristics X : a 30-percent-chord plain flap with straight contour on the NACA 0015 airfoil , NACA WR-L-366 , September 1942 , pp. 12 .

1986. Gillis, Clarence L , Wind-tunnel investigation of control-surface characteristics VIII : a large aerodynamic balance of two nose shapes used with a 30-percent-chord flap on an NACA 0015 airfoil , NACA WR-L-378 , July 1942 .

1987. Ashworth, C Dixon , Tests in the 19-foot pressure tunnel of a 1/2.75-scale model of the F4U-1 airplane with several balanced elevators, full-span flaps, and droppable gas tank , NACA WR-L-440 , October 1942 , pp. 15 .

1988. Schuette, Evan H , Strength tests of thin-wall truncated cones of circular section , NACA WR-L-442 , December 1942 , pp. 17 .

1989. Phillips, William H , A flight investigation of short-period longitudinal oscillations of an airplane with free elevator , NACA WR-L-444 , May 1942 , pp. 12 .

1990. Runckel, Jack F , The effect of pitch on force and moment characteristics of full-scale propellers of five solidities , NACA WR-L-446 , June 1942 , pp. 12 .

1991. Hoggard, H Page, Jr , Wind-tunnel investigation of control-surface characteristics VII : a medium aerodynamic balance of two nose shapes used with a 30-percent-chord flap on an NACA 0015 airfoil , NACA WR-L-448 , July 1942 , pp. 17 .

1992. Underwood, W J , Notes on the effects of trailing-edge shapes of low-drag airfoils on profile drag and the trim and balance of control surfaces , NACA WR-L-450 , March 1942 , pp. 2 .

1993. Walker, Walter G , Summary of V-G records taken on transport airplanes from 1932 to 1942 , NACA WR-L-453 , July 1942 , pp. 10 .

1994. Liddell, Robert B , Wind-tunnel investigation of control-surface characteristics VI : a 30-percent-chord plain flap on the NACA 0015 airfoil , NACA WR-L-454 , June 1942 , pp. 14 .

1995. Silverstein, Abe , Tests of propeller-speed cooling blowers , NACA WR-L-455 , July 1942 , pp. 4 .

1996. Seidman, Oscar , Influence of loading condition on piloting technique for spin recovery for pursuit airplanes , NACA WR-L-461 , June 1942 .

1997. Wright, Ray M , Investigation of drag and pressure distribution of windshields at high speeds , NACA WR-L-462 , 1942 , pp. 25 .

1998. Mattson, Axel T , Tests of a large spherical turret and a modified turret on a typical bomber fuselage , NACA WR-L-463 , October 1942 , pp. 6 .

1999. Jones, Robert T. and Ames, Milton B., Jr., Wind-tunnel investigation of control-surface characteristics V : the use of a beveled trailing edge to reduce the hinge moment of a control surface, NACA Wartime Report L 464, 1942, pp. 10.

2000. Fehlner, Leo F , A study of the effect of adverse yawing moment on lateral maneuverability at a high lift coefficient , NACA WR-L-465 , September 1942 , pp. 12 .

2001. Lowry, John G , Adjustment of stick force by a nonlinear aileron-stick linkage , NACA WR-L-467 , November 1942 , pp. 4 .

2002. Olson, Roland E , The longitudinal stability of flying boats as determined by tests of models in the NACA tank II : effect of variations in form of hull on longitudinal stability , NACA WR-L-468 , November 1942 , pp. 22 .

2003. Pearson, H A , Condensation trails : where they occur and what can be done about them , NACA WR-L-474 , September 1942 , pp. 7 .

2004. Benson, James M , The porpoising characteristics of a planing surface representing the forebody of a flying-boat hull , NACA WR-L-479 , May 1942 , pp. 16 .

2005. Lowry, John G , Wind-tunnel investigation of a plain aileron and a balanced aileron on a tapered wing with full-span duplex flaps , NACA WR-L-481 , July 1942 , pp. 11 .

2006. Baals, Donald D , High-speed tests of a ducted body with various air-outlet openings , NACA WR-L-486 , May 1942 , pp. 8 .

2007. Knopf, George S , A method for the design of cooling systems for aircraft power-plant installations , NACA WR-L-491 , March 1942 , pp. 13 .

2008. Kuhn, Paul , The influence of bulkhead spacing on bending stresses due to torsion , NACA WR-L-501 , May 1942 , pp. 9 .

2009. Fedziuk, Henry A , High-speed wind-tunnel tests of gun openings in the nose of the fuselage of a 1/4-scale model , NACA WR-L-502 , July 1942 , pp. 5 .

2010. Wallace, Arthur R , Wind tunnel investigation of effect of yaw on lateral-stability characteristics IV : symmetrically tapered wing with a circular fuselage having a wedge-shaped rear and a vertical tail , NACA WR-L-520 , March 1942 , pp. 14 .

2011. Gottlieb, Robert , Test data on the shear strength of machine countersunk-riveted joints assembled by an NACA flush-riveting procedure , NACA WR-L-523 , December 1942 , pp. 4 .

2012. Recant, Isidore G. and Swanson, Robert S., Determination of the stability and control characteristics of airplanes from tests of powered models, NACA Wartime Report L 710, 1942, pp. 41.

2013. W. D. Kroll, Gordon P. Fisher and George J. Heimrel, Charts for calculation of the critical stress for local instability of columns with I-, Z-, channel and rectangular-tube section, NACA ARR 3K04; Wartime Report L-429, November, 1943, pp. 29.

2014. Eugene E. Lundquist , Elbridge Z. Stowell and Evan H. Schuette, Principles of moment distribution applied to stability of structures composed of bars or plates, NACA ARR-3K06; Wartime Report L-326, November 1943, pp. 47.

2015. W. D. Kroll, Tables of stiffness and carry-over factor for flat rectangular plates under compression, NACA ARR 3K27; NACA Wartime Report L-398, November, 1943, pp. 47.

2016. Kaplan, Carl , On a new method for calculating the potential flow past a body of revolution , NACA Report 752 , 1943 , pp. 13 .

2017. Olson, Roland E Land, Norman S , Methods used in the NACA tank for the investigation of the longitudinal-stability characteristics of models of flying boats , NACA Report 753 , 1943 , pp. 16 .

2018. Sanders, J C Wilsted, H D Mulcahy, B A , Operating temperatures of a sodium-cooled exhaust valve as measured by a thermocouple , NACA Report 754 , 1943 , pp. 11 .

2019. Gilruth, R R , Requirements for satisfactory flying qualities of airplanes , NACA Report 755 , 1943 , pp. 9 .

2020. Rothrock, Addison M Krsek, Alois, Jr Jones, Anthony W , The induction of water to the inlet air as a means of internal cooling in aircraft-engine cylinders , NACA Report 756 , 1943 , pp. 13 .

2021. Gerrish, Harold C Meem, J Lawrence, Jr , The measurement of fuel-air ratio by analysis for the oxidized exhaust gas , NACA Report 757 , 1943 , pp. 7 .

2022. Sinnette, John T Schey, Oscar W King, J Austin , Performance of NACA eight-stage axial-flow compressor designed on the basis of airfoil theory , NACA Report 758 , 1943 , pp. 19 .

2023. Pearson, Henry A , Derivation of charts for determining the horizontal tail load variation with any elevator motion , NACA Report 759 , 1943 , pp. 15 .

2024. Sanders, Newell D , A method of estimating the knock rating of hydrocarbon fuel blend , NACA Report 760 , 1943 , pp. 7 .

2025. Miller, Cearcy D Olsen, H Lowell , Identification of knock in NACA high-speed photographs of combustion in a spark-ignition engine , NACA Report 761 , 1943 , pp. 21 .

2026. Greenberg, Harry Sternfield, Leonard , A theoretical investigation of the lateral oscillations of an airplane with free rudder with special reference to the effect of friction , NACA Report 762 , 1943 , pp. 16 .

2027. Stack, John , Tests of airfoils designed to delay the compressibility burble , NACA Report 763 , 1943 , pp. 14 .

2028. Allen, H Julian Look, Bonne C , A method for calculating heat transfer in the laminar flow region of bodies , NACA Report 764 , 1943 , pp. 6 .

2029. Parkinson, John B Olson, Roland E Draley, Eugene C Luoma, Arvo A , Aerodynamic and hydrodynamic tests of a family of models of flying hulls derived from a streamline body -- NACA model 84 series , NACA Report 766 , 1943 , pp. 89 .

2030. Hood, Manley J Allen, H Julian , The problem of longitudinal stability and control at high speeds , NACA Report 767 , 1943 , pp. 5 .

2031. Kaplan, Carl , The flow of a compressible fluid past a curved surface , NACA Report 768 , 1943 , pp. 23 .

2032. Campbell, John P Seacord, Charles L , Jr , The effect of mass distribution on the lateral stability and control characteristics of an airplane as determined by tests of a model in the free-flight tunnel , NACA Report 769 , 1943 , pp. 13 .

2033. Swanson, Robert S Toll, Thomas A , Jet-boundary corrections for reflection-plane models in rectangular wind tunnel , NACA Report 770 , 1943 , pp. 28 .

2034. Johnston, J Ford , Review of flight tests of NACA C and D cowlings on the XP-42 airplane , NACA Report 771 , 1943 , pp. 10 .

2035. Von Doenhoff, Albert E Tetervin, Neal , Determination of general relations for the behavior of turbulent boundary layers , NACA Report 772 , 1943 , pp. 25 .

2036. Becker, John V Baals, Donald D , Analysis of heat and compressibility effects in internal flow systems and high-speed tests of a ram-jet system , NACA Report 773 , 1943 , pp. 46 .

2037. Ribner, Herbert S , Propellers in yaw , NACA WR-L-219 NACA-ARR-3L09 NACA-Report 820 , December 1943 , pp. 60 .

2038. Kynoch, William (University of Michigan, Ann Arbor, Mich) Patronsky, L A (University of Michigan, Ann Arbor, Mich) , Effect of fillers and of mixing procedure on the strength of plastic materials , NACA TN-878 , 1943 , pp. 37 .

2039. Moore, R L (Aluminum Company of America, New Kensington, Penna) , Torsional strength of aluminum-alloy round tubing , NACA TN-879 , 1943 , pp. 20 .

2040. Weske, John R (Case School of Applied Science) , Methods of measurement of high air velocities by the hot-wire method , NACA TN-880 , February 1943 , pp. 22 .

2041. Weske, John R (Case School of Applied Science) , A hot-wire circuit with very small time lag , NACA TN-881 , February 1943 , pp. 25 .

2042. Niles, Alfred S (Stanford University, Calif) , Tests of flat panels with four types of stiffeners , NACA TN-882 , 1943 , pp. 50 .

2043. Holt, Marshall (Aluminum Company of America) , Tests of aluminum-alloy stiffened-sheet specimens cut from an airplane wing , NACA TN-883 , 1943 , pp. 23 .

2044. Levy, Samuel (National Bureau of Standards) Krupen, Philip (National Bureau of Standards) , Large-deflection theory for end compression of long rectangular plates rigidly clamped along two edges , NACA TN-884 , 1943 , pp. 34 .

2045. Moore, R L (Aluminum Company of America) Paul, D A (Aluminum Company of America) , Torsion tests of 24S-T aluminum-alloy noncircular bar and tubing , NACA TN-885 , 1943 , pp. 24 .

2046. Mebs, R W (National Bureau of Standards) Mcadam, D J , Jr (National Bureau of Standards) , Torsional elastic properties of 18:8 chromium-nickel steel as affected by plastic deformation and by heat treatment , NACA TN-886 , 1943 , pp. 49 .

2047. Mcpherson, Albert E (National Bureau of Standards) , A portable calibrator for dynamic strain gages , NACA TN-887 , February 1943 , pp. 23 .

2048. Hill, H N (Aluminum Company of America) , Torsion of flanged members with cross sections restrained against warping , NACA TN-888 , March 1943 , pp. 28 .

2049. Kies, J A (National Bureau of Standards) Holshouser, W L (National Bureau of Standards) , Effects of prior fatigue-stressing of the impact resistance of chromium-molybdenum aircraft steel , NACA TN-889 , March 1943 , pp. 71 .

2050. Delano, James B , Pressure distribution on the fuselage of a midwing airplane model at high speeds , NACA TN-890 , February 1943 , pp. 18 .

2051. Charters, Alex C , Jr (California Institute of Technology) , Transition between laminar and turbulent flow by transverse contamination , NACA TN-891 , March 1943 , pp. 17 .

2052. Shih-I, Pai (California Institute of Technology) , Turbulent flow between rotating cylinders , NACA TN-892 , March 1943 , pp. 26 .

2053. Hildebrand, Francis B (Massachusetts Institute of Technology) Reissner, Eric (Massachusetts Institute of Technology) , Least-work analysis of the problem of shear lag in box beams , NACA TN-893 , 1943 , pp. 125 .

2054. Hildebrand, Francis B (Massachusetts Institute of Technology, Cambridge, Mass) , The exact solution of shear-lag problems in flat panels and box beams assumed rigid in the transverse direction , NACA TN-894 , 1943 , pp. 90 .

2055. Levy, Samuel (National Bureau of Standards) , Large-deflection theory of curved sheet , NACA TN-895 , May 1943 , pp. 30 .

2056. Osgood, William R (National Bureau of Standards) , Round heat-treated chromium-molybdenum-steel tubing under combined loads , NACA TN-896 , July 1943 , pp. 54 .

2057. Sharp, W H (Aluminum Company of America) Moore, R L (Aluminum Company of America) , Bearing tests of magnesium-alloy sheet , NACA TN-897 , June 1943 , pp. 24 .

2058. Mcpherson, A E (National Bureau of Standards) , Adaptor for measuring principal strains with Tuckerman strain gage , NACA TN-898 , 1943 , pp. 18 .

2059. Holt, M (Aluminum Company of America) , Column strength of magnesium alloy AM-57S , NACA TN-899 , July 1943 , pp. 17 .

2060. Seliger, Victor (Lockheed Aircraft Corporation) , Effect of rivet pitch upon the fatigue strength of single-row riveted joints of 0.025- to 0.025-inch 24S-T alclad , NACA TN-900 , July 1943 , pp. 39 .

2061. Moore, R L (Aluminum Company of America) Wescoat, C (Aluminum Company of America) , Bearing strengths of some wrought-aluminum alloys , NACA TN-901 , August 1943 , pp. 20 .

2062. Lundquist, Eugene E Rossman, Carl A Houbolt, John C , A method for determining the column curve from tests of columns with equal restraints against rotation on the ends , NACA TN-903 , August 1943 , pp. 30 .

2063. Sherwood, A W (University of Maryland) , The strength of thin-wall cylinders of D cross section in combined pure bending and torsion , NACA TN-904 , September 1943 , pp. 22 .

2064. (Author(s) Not Available) , Some investigations of the general instability of stiffened metal cylinders I : review of theory and bibliography , NACA TN-905 , 1943 , pp. 26 .

2065. (Author(s) Not Available) , Some investigations of the general instability of stiffened metal cylinders II : preliminary tests of wire-braced specimens and theoretical studies , NACA TN-906 , 1943 , pp. 72 .

2066. (Author(s) Not Available) , Some investigations of the general instability of stiffened metal cylinders III : continuation of tests of wire-braced specimens and preliminary tests of sheet-covered specimens , NACA TN-907 , 1943 , pp. 24 .

2067. (Author(s) Not Available) , Some investigations of the general instability of stiffened metal cylinders IV : continuation of tests of sheet-covered specimens and studies of the buckling phenomena of unstiffened circular cylinders , NACA TN-908 , 1943 , pp. 68 .

2068. Guggenheim Aeronautical Laboratory, Some Investigations of the General Instability of Stiffened Metal Cylinders V - Stiffened Metal Cylinders Subjected to Pure Bending, NACA TN-909, August 1943.

2069. (Author(s) Not Available) , Some investigations of the general instability of stiffened metal cylinders VI : stiffened metal cylinders subjected to combined bending and transverse shear , NACA TN-910 , 1943 , pp. 87 .

2070. (Author(s) Not Available) , Some investigations of the general instability of stiffened metal cylinders VII : stiffened metal cylinders subjected to combined bending and torsion , NACA TN-911 , November 1943 , pp. 50 .

2071. Aitchison, C S (National Bureau of Standards) Miller, James A (National Bureau of Standards) , A subpress for compressive tests , NACA TN-912 , December 1943 , pp. 20 .

2072. Aitchison, C S (National Bureau of Standards) Miller, James A (National Bureau of Standards) , Tensile and compressive tests of magnesium alloy J-1 sheet , NACA TN-913 , December 1943 , pp. 7 .

2073. Dolan, Thomas J (University of Illinois) , Certain mechanical strength properties of aluminum alloys 25S-T and X76S-T , NACA TN-914 , October 1943 , pp. 45 .

2074. Livengood, James C (Massachusetts Institute of Technology) Stanitz, John D (Massachusetts Institute of Technology) , The effect of inlet-valve design, size, and lift on the air capacity and output of a four-stroke engine , NACA TN-915 , November 1943 , pp. 32 .

2075. Sharp, W H (Aluminum Company of America) , The effect of the type of specimen on the shear strengths of driven rivets , NACA TN-916 , November 1943 , pp. 15 .

2076. Russell, H W (Battelle Memorial Institute) Gillett, H W (Battelle Memorial Institute) Jackson, L R (Battelle Memorial Institute) Foley, G M (Battelle Memorial Institute) , The effect of surface finish on the fatigue performance of certain propeller materials , NACA TN-917 , December 1943 , pp. 27 .

2077. Donnell, L H (Chance Vought Aircraft) , The stability of isotropic or orthotopic cylinders or flat or curved panels, between and across stiffeners, with any edge conditions between hinged and fixed, under any combination of compression and shear , NACA TN-918 , December 1943 , pp. 71 .

2078. Rogowski, A R (Massachusetts Institute of Technology) Taylor, C Fayette (Massachusetts Institute of Technology) , Part-throttle operation and control of a piston-ported two-stroke cylinder , NACA TN-919 , November 1943 , pp. 56 .

2079. Moore, R L (Aluminum Company of America) Wescoat, C (Aluminum Company of America) , Bearing strengths of bare and alclad XA75S-T and 24S-T81 aluminum alloy sheet , NACA TN-920 , December 1943 , pp. 10 .

2080. Scott, Merit (Pennsylvania State College, State College, PA) Weber, Robert L (Pennsylvania State College, State College, PA) , Requirements for auxiliary stiffeners attached to panels under combined compression and shear , NACA TN-921 , September 16, 1943 , pp. 31 .

2081. Lowry, John G , Resume of hinge-moment data for unshielded horn- balanced control surfaces , NACA WR-L-169 NACA-RB-3F19 , June 1943 , pp. 6 .

2082. Purser, Paul E , Wind-tunnel investigation of control-surface characteristics XIV : NACA 0009 airfoil with a 20-percent-chord double plain flap , NACA WR-L-290 NACA-ARR-3F29 , June 1943 , pp. 18 .

2083. Gillis, Clarence L and Lockwood, Vernard E, Wind-tunnel investigation of control-surface characteristics XIII : various flap overhangs used with a 30-percent-chord flap in an NACA 66-009 airfoil, NACA WR-L-314, 1943.

2084. Ribner, Herbert S , Proposal for a propeller side-force factor , NACA WR-L-336 NACA-RB-3L02 , December 1943 , pp. 10 .

2085. Schuldenfrei, Marvin , Some notes on the determination of the stick-fixed neutral point from wind-tunnel data , NACA WR-L-344 NACA-RB-3I20 , September 1943 , pp. 14 .

2086. Letko, W, Denaci, H G and Freed, C, Wind tunnel tests of ailerons at various speeds I : ailerons of 0.20 airfoil chord and true contour with 0.35 aileron-chord extreme blunt nose balance on the NACA 66,2-216 airfoil, NACA WR-L-431, 1943.

2087. Denaci, H G and Bird, J D , Wind-tunnel tests of ailerons at various speeds II : ailerons of 0.20 airfoil chord and true contour with 0.60 aileron-chord sealed internal balance on the NACA 66,2-216 airfoil, NACA WR-L-432, 1943.

2088. Anderson, R A , Wind tunnel tests of ailerons at various speeds IV : ailerons of 0.20 airfoil chord and true contour with 0.35 aileron-chord extreme blunt-nose balance on the NACA 23012 airfoil , NACA WR-L-433 NACA-ACR-3H28 , August 1943 , pp. 17 .

2089. Denaci, H G , Wind tunnel tests of ailerons at various speeds V : pressure distributions over the NACA 66,2-216 and NACA 23012 airfoils with various balances on 0.20-chord ailerons , NACA WR-L-434 NACA-ACR-3K05 , November 1943 , pp. 12 .

2090. Crandall, Stewart M , Wind-tunnel investigation of trimming tabs on a thickened and beveled aileron on a tapered low-drag wing , NACA WR-L-435 , March 1943 , pp. 9 .

2091. Nelson, W J , Wind tunnel investigation of rear underslung fuselage ducts , NACA WR-L-438 NACA-ARR-3121 , September 1943 , pp. 24 .

2092. Dingeldein, Richard C , Full-scale tunnel investigation of the pressure distribution over the tail of the P-47B airplane , NACA WR-L-439 NACA-ARR-3E25 , May 1943 , pp. 15 .

2093. Hoggard, H Page , Wind tunnel investigation of control-surface characteristics XI : various large overhang and internal-type aerodynamic balances for a straight- contour flap on the NACA 0015 airfoil , NACA WR-L-447 , 1943 , pp. 15 .

2094. Tetervin, Neal , Tests in the NACA two-dimensional low-turbulence tunnel of airfoil sections designed to have small pitching moments and high lift-drag ratios , NACA WR-L-452 NACA-CB-3I13 , September 1943 , pp. 14 .

2095. Toll, Thomas A , Jet-boundary corrections for reflection-plane models in rectangular wind tunnels , NACA WR-L-458 NACA-ARR-3E22 , May 1943 , pp. 44 .

2096. Turner, Thomas R , Wind-tunnel investigation of effect of yaw on lateral-stability characteristics V : symmetrically tapered wing with a circular fuselage having a horizontal and a vertical tail , NACA WR-L-459 NACA-ARR-3F23 , June 1943 , pp. 15 .

2097. Gelbart, Abe , On a function-theory method for obtaining potential-flow patterns of a compressible fluid , NACA WR-L-460 NACA-ARR-3G27 , July 1943 , pp. 12 .

2098. Schuette, Evan H , Critical stresses for plates , NACA WR-L-466 NACA-ARR-3J27 , October 1943 , pp. 17 .

2099. Riebe, John M , Wind-tunnel investigation of an NACA 23012 airfoil with a 0.30-airfoil-chord double slotted flap , NACA WR-L-469 NACA-ARR-3L10 , December 1943 , pp. 18 .

2100. Moggio, Edwin M , The longitudinal shear strength required in double-angle columns of 24S-T aluminum alloy , NACA WR-L-472 NACA-RB-3E08 , May 1943 , pp. 8 .

2101. Ritchie, Virgil S , A simplified chart for determining Mach number and true airspeed from airspeed-indicator readings , NACA WR-L-473 , March 1943 .

2102. Hastings, Charles E , NACA radio ground-speed system for aircraft , NACA WR-L-477 , February 1943 , pp. 15 .

2103. Draper, John W , Free-flight-tunnel investigation of the effect of the fuselage length and the aspect ratio and size of the vertical tail on lateral stability and control , NACA WR-L-487 NACA-ARR-3D17 , April 1943 , pp. 14 .

2104. Mendelsohn, Robert A , Wind-tunnel tests of a piston-type control booster on an airfoil and aileron model , NACA WR-L-494 NACA-RB-3K15 , November 1943 , pp. 8 .

2105. Crate, Harold , A preliminary study of machine-countersunk flush rivets subjected to a combined static and alternating shear load , NACA WR-L-495 NACA-RB-3L01 , December 1943 , pp. 3 .

2106. Mattson, Axel T , The effect of spinner-body gap on the pressures available for cooling in the NACA E-type cowling , NACA WR-L-497 , March 1943 , pp. 8 .

2107. Mckinney, Marion O , Jr , Flight tests of a glider model towed by twin parallel towlines , NACA WR-L-498 NACA-RB-3D30 , April 1943 , pp. 11 .

2108. Levin, L Ross , Tests of 10-inch 24S-T aluminum-alloy shear panels with 1-1/2-inch holes I , NACA WR-L-500 NACA-RB-3F29 , June 1943 , pp. 8 .

2109. Pitkin, Marvin , Effect of wing leading-edge slots on the spin and recovery characteristics of airplanes , NACA WR-L-504 NACA-ARR-3D29 , April 1943 , pp. 12 .

2110. Vogeley, A W, Flight measurements of compressibility effects on a three-blade thin Clark Y propeller operating at constant advance-diameter ratio and blade angle, NACA WR-L-505, 1943.

2111. Fischel, Jack , Wind-tunnel investigation of a full-span retractable flap in combination with full-span plain and internally balanced ailerons on a tapered wing , NACA WR-L-506 NACA-ARR-3H23 , August 1943 , pp. 19 .

2112. Hoggard, H. Page, Jr., Wind tunnel investigation of control surface characteristics XII : various cover-plate alinements on the NACA 0015 airfoil with a 30 percent chord flap and large sealed internal balance, NACA Wartime Report L 511, 1943, pp. 13.

2113. Benson, James M , Hydrodynamic-stability tests of a model of a flying boat and of a planing surface having a small downward projection (hook) on the planing bottom near the step , NACA WR-L-518 , 1943 , pp. 4 .

2114. Schuette, Evan H , Test data on the shear strength of joints assembled with round-head and brazier-head rivets , NACA WR-L-519 NACA-RB-3F21 , June 1943 , pp. 3 .

2115. Seacord, Charles L , Jr , Effect of wing loading and altitude on lateral stability and control characteristics of an airplane as determined by tests of a model in the free-flight tunnel , NACA WR-L-522 NACA-ARR-3F25 , June 1943 , pp. 14 .

2116. Mckee, John W , Wind-tunnel investigation of a plain aileron with thickened and beveled trailing edges on a tapered low-drag wing , NACA WR-L-526 , 1943 , pp. 15 .

2117. Houbolt, John C , A preliminary study of the effect of compressive load on the fairness of a low-drag wing specimen with Z-section stiffeners , NACA WR-L-527 , 1943 , pp. 5 .

2118. Braslow, Albert L , Investigation of surface irregularities on an NACA 63(420)-416, a=1.0 airfoil section for the Glenn L. Martin Company design 195 , NACA WR-L-534 , October 1943 , pp. 8 .

2119. Dow, Norris F , The analysis of strains indicated by multiple-strand resistance-type wire strain gages used as rosettes , NACA WR-L-536 , 1943 , pp. 17 .

2120. Sears, Richard I., Wind-tunnel data on the aerodynamic characteristics of airplane control surfaces, NACA Wartime Report L 663, 1943, pp. 33.

2121. Purser, Paul E. and Riebe, John M., Wind-tunnel investigation of control-surface characteristics XV : various contour modifications of a 0.30-airfoil-chord plain flap on an NACA 66(215)-014 airfoil, NACA Wartime Report L 668, 1943, pp. 33.

2122. Richard T. Whitcomb, The relation between spanwise variations in the critical Mach number and spanwise load distributions, NACA-WR-L-182, NACA-CB-L4L07, December 1944, pp. 8 .

2123. Goett, Harry J Delaney, Noel K , Effect of tilt of the propeller axis on the longitudinal-stability characteristics of single-engine airplanes , NACA Report 774 , 1944 , pp. 28 .

2124. Theodorsen, Theodore , The theory of propellers I : determination of the circulation function and the mass coefficient for dual-rotating propellers , NACA Report 775 , 1944 , pp. 17 .

2125. Theodorsen, Theodore, The theory of propellers II : method for calculating the axial interference, NACA Report 776, 1944 , pp. 21 .

2126. Theodorsen, Theodore , The theory of propellers III : the slipstream contraction with numerical values for two-blade and four-blade propellers , NACA Report 777 , 1944 , pp. 23 .

2127. Theodorsen, Theodore , The theory of propellers IV : thrust, energy, and efficiency formulas for single and dual rotating propellers with ideal circulation distribution , NACA Report 778 , 1944 , pp. 7 .

2128. Schey, Oscar W Rollin, Verne G Ellerbrock, Herman H , Jr , The effect of increased cooling surface on performance of aircraft-engine cylinders as shown by tests of the NACA cylinder , NACA Report 779 , 1944 , pp. 21 .

2129. Heaslet, Max A , Compressible potential flow with circulation about a circular cylinder , NACA Report 780 , 1944 , pp. 7 .

2130. Goett, Harry J Jackson, Roy P Belsley, Steven E , Wind-tunnel procedure for determination of critical stability and control characteristics of airplanes , NACA Report 781 , 1944 , pp. 17 .

2131. Allen, H Julian Vincenti, Walter G , Wall interference in a two-dimensional-flow wind tunnel, with consideration of the effect of compressibility , NACA Report 782 , 1944 , pp. 30 .

2132. Goldstein, Arthur W Ellerbrock, Herman H , Jr , Compressibility and heating effects on pressure loss and cooling of a baffled cylinder barrel , NACA Report 783 , 1944 , pp. 22 .

2133. Reuter, J George Valerino, Michael F , Intercooler cooling-air weight flow and pressure drop for minimum drag loss , NACA Report 784 , 1944 , pp. 15 .

2134. Miller, Cearcy D Logan, Walter O , Jr , Preknock vibrations in a spark-ignition engine cylinder as revealed by high-speed photography , NACA Report 785 , 1944 , pp. 20 .

2135. Turner, L Richard Desmon, Leland G , Performance of blowdown turbine driven by exhaust gas of nine-cylinder radial engine , NACA Report 786 , 1944 , pp. 11 .

2136. Cohen, Doris , A theoretical investigation of the rolling oscillations of an airplane with ailerons free , NACA Report 787 NACA-TR-709 NACA-ARR-4A06 NACA-WR-L-361. , 1944 , pp. 12 .

2137. Garrick, I E , On the plane potential flow past a lattice of arbitrary airfoils , NACA Report 788 , 1944 , pp. 16 .

2138. Garrick, I E Kaplan, Carl , On the flow of a compressible fluid by the hodograph method I : unification and extension of present-day results , NACA Report 789 , 1944 , pp. 24 .

2139. Garrick, I E Kaplan, Carl , On the flow of a compressible fluid by the hodograph method II : fundamental set of particular flow solutions of the Chaplygin differential equation , NACA Report 790 , 1944 , pp. 21 .

2140. Greenberg, Harry Sternfield, Leonard , A theoretical investigation of longitudinal stability of airplane with free controls including effect of friction in control system , NACA Report 791 , 1944 , pp. 21 .

2141. (Author(s) Not Available) , Flight studies of the horizontal-tail loads experienced by a fighter airplane in abrupt maneuvers , NACA Report 792 , 1944 , pp. 16 .

2142. Theodorsen, Theodore Regier, Arthur , Experiments on drag of revolving disks, cylinders, and streamline rods at high speeds , NACA Report 793 , 1944 , pp. 18 .

2143. Kaplan, Carl , The flow of a compressible fluid past a circular arc profile , NACA Report 794 , 1944 , pp. 26 .

2144. Batterson, Sidney A , The NACA impact basin and water landing tests of a float model at various velocities and weights , NACA Report 795 , 1944 , pp. 7 .

2145. Donlan, Charles , An interim report on the stability and control of tailless airplanes , NACA Report 796 , 1944 , pp. 16 .

2146. Phillips, William H , Application of spring tabs to elevator controls , NACA Report 797 , 1944 , pp. 14 .

2147. Jones, Robert T Greenberg, Harry , Effect of hinge-moment parameters on elevator stick forces in rapid maneuvers , NACA Report 798 , 1944 , pp. 8 .

2148. Pearson, Henry A Aiken, William S , Jr , Charts for the determination of wing torsional stiffness required for specified rolling characteristics or aileron reversal speed , NACA Report 799 , 1944 , pp. 10 .

2149. Teplitz, Jerome , Effects of small angles of sweep and moderate amounts of dihedral on stalling and lateral characteristics of a wing-fuselage combination equipped with partial- and full-span double slotted flaps , NACA Report 800 , 1944 , pp. 20 .

2150. Jones, Robert T , A method for studying the hunting oscillations of and airplane with a simple type of automatic control , NACA Report 801 , 1944 , pp. 4 .

2151. Ellis, Macon C , Jr Brown, Clinton E , NACA investigation of a jet-propulsion system applicable to flight , NACA Report 802 , 1944 , pp. 17 .

2152. Crane, Robert M Holtzclaw, Ralph W , Wind-tunnel investigation of the effects of profile modification and tabs on the characteristics of ailerons on a low-drag airfoil , NACA Report 803 , 1944 , pp. 50 .

2153. Houbolt, John C , Bending and shear stresses developed by the instantaneous arrest of the root of a moving cantilever beam , NACA WR-L-63 NACA-ARR-L4I27 NACA-Report 828 , November 1944 , pp. 18 .

2154. Sottorf, W., Analysis of experimental investigations of the planing process on the surface of water, NACA Technical Memorandum 1061, 1944, pp. 57.

2155. Latzko, H., Heat transfer in a turbulent liquid or gas stream, NACA Technical Memorandum 1068, 1944, pp. 58.

2156. Demer, L J (University of Notre Dame) Kavanaugh, E S (University of Notre Dame) , Ovalization of tubes under bending and compression , NACA TN-922 , March 1944 , pp. 31 .

2157. Benson, James M , Piloting of flying boats with special reference to porpoising and skipping , NACA TN-923 , February 1944 , pp. 19 .

2158. Niles, Alfred S (Stanford University) , Elastic properties of channels with unflanged lightening homes , NACA TN-924 , March 1944 , pp. 82 .

2159. Hilderbrand, Francis B (Massachusetts Institute of Technology) , A least-squares procedure for the solution of the lifting-line integral equation , NACA TN-925 , February 1944 , pp. 42 .

2160. Hildebrand, Francis B (Massachusetts Institute of Technology) Reissner, Eric (Massachusetts Institute of Technology) , The influence of the aerodynamic span effect on the magnitude of the torsional-divergence velocity and on the shape of the corresponding deflection mode , NACA TN-926 , 1944 , pp. 49 .

2161. Hill, H N (Aluminum of America) , Determination of stress-strain relations from "offset" yield strength values , NACA TN-927 , February 1944 , pp. 8 .

2162. Mebs, R W (National Bureau of Standards) Mcadam, D J , Jr (National Bureau of Standards) , The influence of plastic deformation and of heat treatment on Poisson's ratio for 18:8 chromium-nickel steel , NACA TN-928 , February 1944 , pp. 12 .

2163. Mignot, J E (Lockheed Aircraft Corporation) Combs, Henry (Lockheed Aircraft Corporation) Ensrud, A F (Lockheed Aircraft Corporation) , Analysis of circular shell-supported frames , NACA TN-929 , 1944 , pp. 84 .

2164. Schuette, Evan H Bartone, Leonard M Mandel, Merven W , Tensile tests of round-head, flat-head, and brazier-head rivets , NACA TN-930 , March 1944 , pp. 9 .

2165. Brueggeman, W C (National Bureau of Standards) Mayer, M , Jr (National Bureau of Standards) , Guides for preventing buckling in axial fatigue tests of thin sheet-metal specimens , NACA TN-931 , April 1944 , pp. 19 .

2166. Emmons, Howard W , The numerical solution of compressible fluid flow problems , NACA TN-932 , 1944 , pp. 53 .

2167. Goodier, J N (Cornell University) Thomson, W T (Cornell University) , Applicability of similarity principles to structural models , NACA TN-933 , July 1944 , pp. 69 .

2168. Hoff, N J (Polytechnic Institute of Brooklyn) Levy, Robert S (Polytechnic Institute of Brooklyn) Kempner, Joseph (Polytechnic Institute of Brooklyn) , Numerical procedures for the calculation of the stresses in Monocoques I : diffusion of tensile stringer loads in reinforced panels , NACA TN-934 , June 1944 , pp. 52 .

2169. Boden, R H (Massachusetts Institute of Technology) Schecter, Harry (Massachusetts Institute of Technology) , Dynamics of the inlet system of a four-stroke engine , NACA TN-935 , 1944 , pp. 38 .

2170. Bradley, Kathryn H (National Bureau of Standards) Axilrod, B M (National Bureau of Standards) , Plastic mountings for aircraft windshields , NACA TN-936 , May 1944 , pp. 24 .

2171. Ballhaus, W F (Stanford University) Niles, A S (Stanford University) , Simplified truss stability criteria , NACA TN-937 , July 1944 , pp. 43 .

2172. Hoff, N J (Polytechnic Institute of Brooklyn, Brooklyn, N.Y) Klein, Bertram (Polytechnic Institute of Brooklyn, Brooklyn, N.Y) , The inward bulge type buckling of monocoque cylinders I : calculation of the effect upon the buckling stress of a compressive force, a nonlinear direct stress distribution, and a shear force , NACA TN-938 , 1944 , pp. 48 .

2173. Hoff, N J (Polytechnic Institute of Brooklyn, Brooklyn, N.Y) Fuchs, S J (Polytechnic Institute of Brooklyn, Brooklyn, N.Y) Cirillo, Adam J (Polytechnic Institute of Brooklyn, Brooklyn, N.Y) , The inward bulge type buckling of monocoque cylinders II : experimental investigation of the buckling in combined bending and compression , NACA TN-939 , 1944 , pp. 72 .

2174. Manson, S S , Charts for rapid analysis of 45 degree strain-rosette data , NACA TN-940 , May 1944 , pp. 26 .

2175. Manson, S S , An automatic electrical analyzer for 45 degree strain-rosette data , NACA TN-941 , May 1944 , pp. 23 .

2176. Hartman, E C (Aluminum Company of America) Wescoat, C (Aluminum Company of America) , The shear of aluminum alloy driven rivets as affected by increasing D/t ratios , NACA TN-942 , July 1944 , pp. 24 .

2177. Head, Richard M (California Institute of Technology, Pasadena, California) Sechler, Ernest J (California Institute of Technology, Pasadena, California) , Normal pressure tests on unstiffened flat plates , NACA TN-943 , 1944 , pp. 59 .

2178. Ramberg, Walter (National Bureau of Standard) Levy, Samuel (National Bureau of Standard) Fienup, Kenneth L (National Bureau of Standard) , Effect of curvature on strength of axially loaded sheet-stringer panels , NACA TN-944 , August 1944 , pp. 41 .

2179. Mcmaster, R C (California Institute of Technology) Manildi, J F (California Institute of Technology) Woolsey, C C (California Institute of Technology) , Nondestructive test methods for spot welds in aluminum alloys , NACA TN-945 , November 1944 , pp. 101 .

2180. Reissner, Eric (Massachusetts Institute of Technology) , On the general theory of thin airfoils for nonuniform motion , NACA TN-946 , 1944 , pp. 64 .

2181. Zamboky, A N (Aluminum Company of America) , Artificial aging of riveted joints made in alclad 24S-T sheet using A17S-T, 17S-T, and 24S-T rivets , NACA TN-948 , September 1944 , pp. 8 .

2182. Levy, Samuel (National Bureau of Standards) Goldenberg, Daniel (National Bureau of Standards) Zibritosky, George (National Bureau of Standards) , Simply supported long rectangular plate under combined axial load and normal pressure , NACA TN-949 , October 1944 , pp. 24 .

2183. Hoff, N J (Polytechnic Institute of Brooklyn) Kempner, Joseph (Polytechnic Institute of Brooklyn) , Numerical procedures for the calculation of the stresses in monocoques II : diffusion of tensiles stringer loads in reinforced flat panels with cut-outs , NACA TN-950 , November 1944 , pp. 49 .

2184. Koffewl, William K Biermann, Arnold E , A unit laboratory engine oil system providing for a remote indication of oil flow and oil consumption together with blow-by measurement , NACA TN-952 , September 1944 , pp. 17 .

2185. Mcpherson, A E (National Bureau of Standards) Goldenberg, D (National Bureau of Standards) Zibritosky, G (National Bureau of Standards) , Torsion test to failure of a monocoque box , NACA TN-953 , October 1944 , pp. 48 .

2186. Campbell, William R (National Bureau of Standards) , Performance tests of wire strain gages I : calibration factors in tension , NACA TN-954 , November 1944 , pp. 43 .

2187. Brueggeman, W C (National Bureau of Standards) Mayer, M JR (National Bureau of Standards) Smith, W H (National Bureau of Standards) , Axial fatigue tests at zero mean stress of 24S-T aluminum-alloy sheet with and without a circular hole , NACA TN-955 , 1944 , pp. 19 .

2188. Hersey, Mayo D (Massachusetts Institute of Technology) , Bibliography of piston ring lubrication , NACA TN-956 , October 1944 , pp. 35 .

2189. Turner, Philip S (National Bureau of Standards) Doran, Jewel (National Bureau of Standards) Reinhart, Frank W (National Bureau of Standards) , Fairing compositions for aircraft surfaces , NACA TN-958 , November 1944 , pp. 42 .

2190. Brueggeman, W C (National Bureau of Standards) Krupen, P (National Bureau of Standards) Roop, F C (National Bureau of Standards) , Axial fatigue of 10 airplane wing-beam specimens by the resonance method , NACA TN-959 , December 1944 , pp. 28 .

2191. Tsien, Hsue-Shen (California Institute of Technology) , The "limiting line" in mixed subsonic and supersonic flow of compressible fluids , NACA TN-961 , 1944 , pp. 33 .

2192. Mutchler, Willard (National Bureau of Standards) , The effect of temperature on sheet metals for airplane firewalls , NACA TN-965 , December 1944 , pp. 42 .

2193. Zender, George W Schuette, Evan H Weinberger, Robert A , Data on material properties and panel compressive strength of a plastic-bonded material of glass cloth and canvas , NACA TN-975 , August 16, 1944 , pp. 38 .

2194. Stack, John , Tests of airfoils designed to delay the compressibility burble , NACA TN-976 , December 1944 , pp. 36 .

2195. Draper, C S (Massachusetts Institute of Technology) Taylor, E S (Massachusetts Institute of Technology) Lancor, J H (Massachusetts Institute of Technology) Coffey, R T (Massachusetts Institute of Technology) , Development of detonation detector suitable for use in flight , NACA TN-977 , December 1944 , pp. 78 .

2196. Winston, A W , Effect of aging aircraft structures on magnesium parts , NACA TN-979 , October 1944 , pp. 7 .

2197. Ruffner, Benjamin F (Oregon State College) Schmidt, Calvin L (Oregon State College) , Stresses at cut-outs in shear resistant webs as determined by the photoelastic method , NACA TN-984 , 1944 , pp. 45 .

2198. Ellisman, Carl , Effect in flight of the propeller cuffs and spinner on pressure recovery in front of a double-row radial aircraft engine in a twin-engine airplane , NACA WR-E-169 , March 1944 , pp. 6 .

2199. Plumly, Howard D , A laboratory-tested constant-level oil sump to prevent aeration of scavenged oil from an aircraft engine , NACA WR-E-182 , April 1944 , pp. 5 .

2200. Englert, Gerald W , Analysis and correlation of data obtained by six laboratories on fuel-vapor loss from fuel tanks during simulated flight , NACA WR-E-185 NACA-MR-E4L19 , December 1944 , pp. 17 .

2201. Black, Dugald O , Flight variables affecting fuel-vapor loss from a fuel tank , NACA WR-E-186 NACA-MR-E4L28 , December 1944 , pp. 13 .

2202. Vierthaler, Walter A , Experimental study of the coating found on scuffed cast-iron piston rings during operation in nitrided-steel cylinders , NACA WR-E-29 NACA-ACR-E4K02 , November 1944 , pp. 9 .

2203. Bull, Arthur W , Knock-limited performance of pure hydrocarbons blended with a base fuel in a full-scale aircraft-engine cylinder I : eight paraffins, two olefins , NACA WR-E-33 NACA-ARR-E4E25 , May 1944 , pp. 9 .

2204. Mulcahy, B A Wilsted, H D , Cylinder-head cooling by means of a shield in the exhaust passage , NACA WR-E-34 NACA-RB-E4F23 , June 1944 , pp. 6 .

2205. Imming, Harry S , The effect of piston-head temperature on knock-limited power , NACA WR-E-35 NACA-ARR-E4G13 , July 1944 .

2206. Cook, Harvey A, Vandeman, Jack E and Brown, Kenneth D, Effect of several methods of increasing knock-limited power on cylinder temperatures, NACA WR-E-36, 1944.

2207. Hensley, Reece V , Relative effects of cylinder-head and inlet-mixture temperatures upon knock limits of fuels , NACA WR-E-37 NACA-RB-E4J13 , October 1944 , pp. 7 .

2208. Warren A. Tucker and Arthur R. Wallace, Scale-effects in a turbulent tunnel of the NACA 65(3)-418, a=1.0 airfoil section with 0.20-airfoil-chord split flap, NACA WR-L-128 NACA-ACR-L4HI22, September 1944 , pp. 11 .

2209. Greenberg, Harry , Calculation of stick forces for an elevator with a spring tab , NACA WR-L-129 NACA-RB-L4F07 , June 1944 .

2210. Maclachlan, Robert , Investigation of effect of sideslip on lateral stability characteristics I : circular fuselage with variations in vertical-tail area and tail length with and without horizontal tail surface , NACA WR-L-12 NACA-ARR-L4E25 , May 1944 , pp. 15 .

2211. Corson, Blake W , Jr , Application of the method of least squares to engine-cooling analysis , NACA WR-L-130 NACA-ARR-L4H23 , August 1944 , pp. 28 .

2212. Pearson, E O , Jr , Aerodynamic tests of an AN-M-65-AEON 1000-pound radio-controlled bomb in the LMAL 16-foot high-speed tunnel , NACA WR-L-131 , June 1944 , pp. 10 .

2213. Pitkin, Marvin , Force test of a 1/5-scale model of the type GB-5 controllable glide bomb , NACA WR-L-133 , March 27, 1944 .

2214. Theodorsen, Theodore , Airfoil-contour modifications based on (epsilon)-curve method of calculating pressure distribution , NACA WR-L-135 NACA-ARR-L4G05 , July 1944 , pp. 14 .

2215. Naiman, Irven , Numerical evaluation of the (epsilon)-integral occurring in the Theodorsen arbitrary airfoil potential theory , NACA WR-L-136 NACA-ARR-L4D27A , April 1944 , pp. 12 .

2216. Brilmyer, Harold G , Secondary stresses in open box beams subjected to torsion , NACA WR-L-14 NACA-ARR-L4I23 , November 1944 , pp. 10 .

2217. Tetervin, Neal, A method for the rapid estimation of turbulent boundary-layer thickness for calculating profile drag, NACA WR-L-16, 1944.

2218. Garner, I Elizabeth, Wind-tunnel investigation of control-surface characteristics XX : plain and balanced flaps on an NACA 0009 rectangular semispan tail surface, NACA WR-L-186, 1944.

2219. Swanson, Robert S Gillis, Clarence L , Wind-tunnel calibration and correction procedures for three-dimensional models , NACA WR-L-1 NACA-ARR-L4E31 , October 1944 , pp. 52 .

2220. Bulloch, Marjorie E , Wind-tunnel investigation of control-surface characteristics XVI : pressure distribution over an NACA 0009 airfoil with 0.30-airfoil-chord beveled-trailing-edge flaps , NACA WR-L-205 NACA-ARR-L4D03 , April 1944 , pp. 22 .

2221. Quinn, John H , Tests of the NACA 653-018 airfoil section with boundary-layer control by suction, NACA WR-L-209, 1944.

2222. Liddell, Robert B , Wind-tunnel investigation of control-surface characteristics XIX : a double flap with an overhang and an internal aerodynamic balance, NACA WR-L-215, 1944.

2223. Huber, Paul W , Heat-capacity lag in turbine-working fluids , NACA WR-L-21 NACA-RB-L4E29 , May 1944 , pp. 13 .

2224. Ribner, Herbert S., Notes on the propeller and slipstream in relation to stability, NACA Wartime Report L 25, 1944, pp. 17.

2225. Phillips, W H , Stability of a body stabilized by fins and suspended from an airplane , NACA WR-L-28 NACA-ARR-L4D18 , April 1944 , pp. 23 .

2226. Becker, John V Korycinski, Peter F , Aerodynamic tests of a full-scale TBF-1 aileron installation in the Langley 16-foot high-speed tunnel , NACA WR-L-31 NACA-ARR-L4K22 , December 1944 , pp. 36 .

2227. Sears, Richard I and Liddell, Robert B, Wind-tunnel investigation of control-surface characteristics XVIII : a linked overhang aerodynamic balance, 1944.

2228. Rogallo, F M , Collection of balanced-aileron test data, NACA WR-L-419, 1944.

2229. Sternfield, Leonard , A theoretical investigation of longitudinal stability of airplanes with free controls including effect of friction in control system , NACA WR-L-430 NACA-ARR-4B01 , February 1944 , pp. 30 .

2230. Boshar, John, The determination of span load distribution at high speeds by use of high-speed wind-tunnel section data, NACA WR-L-436, 1944.

2231. Kantrowitz, Arthur ,