Airfoil Comparison Tool by Mike Garton and David Orman; compares
the UIUC LSATs (Vols 1-4) and Princeton data (Soartech 8) polars. Note that the data
compared at this site is for a given "reduced Reynolds number" which
is applicable to aircraft flight. Details on the reduced Reynolds number are given: http://soaring.cnde.iastate.edu/calcs/frames.shtml