Comparing Airfoils

E64 (8.45%)

A18 (smoothed)

E64 (8.45%) A18 (smoothed)
Thickness (%) 8.440 7.267
Camber (%) 3.318 3.833
Trailing Edge Angle (%) 7.904 23.535
Lower Surface Flatness 24.757 22.555
Leading Edge Radius (%) 1.857 1.893
Maximum Lift (CL) 1.191 1.124
Maximum Lift Angle-of-Attack (deg) 6.000 5.500
Maximum Lift-to-drag (L/D) 69.234 55.481
Lift at Maximum Lift-to-drag 1.191 1.016
Angle-of-Attack for Maximum Lift-to-drag (L/D) 6.000 4.500