Comparing Airfoils

E231

AH 81-131

E231 AH 81-131
Thickness (%) 12.330 13.049
Camber (%) 2.457 2.822
Trailing Edge Angle (%) 11.768 9.004
Lower Surface Flatness 7.895 8.120
Leading Edge Radius (%) 2.090 1.987
Maximum Lift (CL) 1.094 0.812
Maximum Lift Angle-of-Attack (deg) 8.500 13.000
Maximum Lift-to-drag (L/D) 44.392 29.725
Lift at Maximum Lift-to-drag 0.827 0.786
Angle-of-Attack for Maximum Lift-to-drag (L/D) 5.500 8.500