Comparing Airfoils

E220 (11.48%)

AH 81-131

E220 (11.48%) AH 81-131
Thickness (%) 11.459 13.049
Camber (%) 2.448 2.822
Trailing Edge Angle (%) 11.006 9.004
Lower Surface Flatness 10.085 8.120
Leading Edge Radius (%) 2.234 1.987
Maximum Lift (CL) 0.949 0.812
Maximum Lift Angle-of-Attack (deg) 14.000 13.000
Maximum Lift-to-drag (L/D) 39.390 29.725
Lift at Maximum Lift-to-drag 0.792 0.786
Angle-of-Attack for Maximum Lift-to-drag (L/D) 7.000 8.500