Comparing Airfoils

GOE 439 AIRFOIL

A18 (original)

GOE 439 AIRFOIL A18 (original)
Thickness (%) 7.844 7.287
Camber (%) 5.189 5.021
Trailing Edge Angle (%) 9.267 22.552
Lower Surface Flatness 16.647 20.385
Leading Edge Radius (%) 2.077 2.174
Maximum Lift (CL) 1.356 1.298
Maximum Lift Angle-of-Attack (deg) 12.500 6.000
Maximum Lift-to-drag (L/D) 72.961 54.139
Lift at Maximum Lift-to-drag 1.023 1.298
Angle-of-Attack for Maximum Lift-to-drag (L/D) 3.500 6.000