Comparing Airfoils

EPPLER 668 AIRFOIL

AH 81-K-144/17

EPPLER 668 AIRFOIL AH 81-K-144/17
Thickness (%) 13.879 14.460
Camber (%) 3.981 4.235
Trailing Edge Angle (%) 10.140 13.117
Lower Surface Flatness 9.793 10.287
Leading Edge Radius (%) 2.329 2.262
Maximum Lift (CL) 1.554 1.272
Maximum Lift Angle-of-Attack (deg) 10.500 13.500
Maximum Lift-to-drag (L/D) 78.749 40.044
Lift at Maximum Lift-to-drag 1.299 0.981
Angle-of-Attack for Maximum Lift-to-drag (L/D) 6.500 6.500