Comparing Airfoils

S4083 (8%)

A18 (smoothed)

S4083 (8%) A18 (smoothed)
Thickness (%) 7.994 7.267
Camber (%) 3.451 3.833
Trailing Edge Angle (%) 12.991 23.535
Lower Surface Flatness 34.748 22.555
Leading Edge Radius (%) 1.911 1.893
Maximum Lift (CL) 1.257 1.124
Maximum Lift Angle-of-Attack (deg) 7.000 5.500
Maximum Lift-to-drag (L/D) 72.763 55.481
Lift at Maximum Lift-to-drag 1.164 1.016
Angle-of-Attack for Maximum Lift-to-drag (L/D) 6.000 4.500