Comparing Airfoils

FX 78-K-140 A/20

AH 80-129

FX 78-K-140 A/20 AH 80-129
Thickness (%) 14.063 12.862
Camber (%) 4.368 4.055
Trailing Edge Angle (%) 13.971 13.711
Lower Surface Flatness 11.100 12.701
Leading Edge Radius (%) 2.044 1.930
Maximum Lift (CL) 1.135 0.985
Maximum Lift Angle-of-Attack (deg) 10.500 10.500
Maximum Lift-to-drag (L/D) 35.166 39.259
Lift at Maximum Lift-to-drag 0.949 0.742
Angle-of-Attack for Maximum Lift-to-drag (L/D) 5.500 5.000