Comparing Airfoils

NACA 4421

FX 77-W-270S

NACA 4421 FX 77-W-270S
Thickness (%) 21.030 27.009
Camber (%) 4.000 4.306
Trailing Edge Angle (%) 31.298 54.656
Lower Surface Flatness 4.575 3.642
Leading Edge Radius (%) 4.757 6.132
Maximum Lift (CL) 1.285 1.265
Maximum Lift Angle-of-Attack (deg) 15.000 15.000
Maximum Lift-to-drag (L/D) 86.297 13.056
Lift at Maximum Lift-to-drag 0.504 1.265
Angle-of-Attack for Maximum Lift-to-drag (L/D) -0.500 15.000