Comparing Airfoils

MA409 (original)

A18 (original)

MA409 (original) A18 (original)
Thickness (%) 6.743 7.287
Camber (%) 4.309 5.021
Trailing Edge Angle (%) 10.773 22.552
Lower Surface Flatness 28.312 20.385
Leading Edge Radius (%) 1.976 2.174
Maximum Lift (CL) 1.063 1.298
Maximum Lift Angle-of-Attack (deg) 5.000 6.000
Maximum Lift-to-drag (L/D) 59.309 54.139
Lift at Maximum Lift-to-drag 0.819 1.298
Angle-of-Attack for Maximum Lift-to-drag (L/D) 2.500 6.000