Comparing Airfoils

AH 81-131

AH 80-136

AH 81-131 AH 80-136
Thickness (%) 13.049 13.545
Camber (%) 2.822 3.397
Trailing Edge Angle (%) 9.004 8.297
Lower Surface Flatness 8.120 9.527
Leading Edge Radius (%) 1.987 2.211
Maximum Lift (CL) 0.812 1.015
Maximum Lift Angle-of-Attack (deg) 13.000 15.000
Maximum Lift-to-drag (L/D) 29.725 24.677
Lift at Maximum Lift-to-drag 0.786 0.783
Angle-of-Attack for Maximum Lift-to-drag (L/D) 8.500 8.500