Comparing Airfoils

GOE 492 AIRFOIL

A18 (smoothed)

GOE 492 AIRFOIL A18 (smoothed)
Thickness (%) 6.202 7.267
Camber (%) 3.365 3.833
Trailing Edge Angle (%) 8.657 23.535
Lower Surface Flatness 33.052 22.555
Leading Edge Radius (%) 1.704 1.893
Maximum Lift (CL) 0.952 1.124
Maximum Lift Angle-of-Attack (deg) 10.000 5.500
Maximum Lift-to-drag (L/D) 64.939 55.481
Lift at Maximum Lift-to-drag 0.880 1.016
Angle-of-Attack for Maximum Lift-to-drag (L/D) 4.000 4.500