Comparing Airfoils

HOBIE

A18 (smoothed)

HOBIE A18 (smoothed)
Thickness (%) 8.482 7.267
Camber (%) 3.942 3.833
Trailing Edge Angle (%) 8.230 23.535
Lower Surface Flatness 24.637 22.555
Leading Edge Radius (%) 2.598 1.893
Maximum Lift (CL) 1.266 1.124
Maximum Lift Angle-of-Attack (deg) 15.000 5.500
Maximum Lift-to-drag (L/D) 71.353 55.481
Lift at Maximum Lift-to-drag 0.933 1.016
Angle-of-Attack for Maximum Lift-to-drag (L/D) 4.000 4.500