Comparing Airfoils

EPPLER 339 AIRFOIL

AH 80-140

EPPLER 339 AIRFOIL AH 80-140
Thickness (%) 13.537 13.949
Camber (%) 4.215 4.349
Trailing Edge Angle (%) 14.335 13.195
Lower Surface Flatness 9.846 13.298
Leading Edge Radius (%) 2.537 2.925
Maximum Lift (CL) 1.395 1.433
Maximum Lift Angle-of-Attack (deg) 14.000 14.000
Maximum Lift-to-drag (L/D) 48.182 28.169
Lift at Maximum Lift-to-drag 0.728 0.962
Angle-of-Attack for Maximum Lift-to-drag (L/D) 3.000 8.000