Comparing Airfoils

BOEING-VERTOL VR-9 AIRFOIL

NASA SC(2)-0706 AIRFOIL

BOEING-VERTOL VR-9 AIRFOIL NASA SC(2)-0706 AIRFOIL
Thickness (%) 6.047 6.000
Camber (%) 0.329 0.376
Trailing Edge Angle (%) 6.334 9.383
Lower Surface Flatness 13.319 15.506
Leading Edge Radius (%) 1.562 1.618
Maximum Lift (CL) 0.540 0.819
Maximum Lift Angle-of-Attack (deg) 9.500 7.500
Maximum Lift-to-drag (L/D) 15.805 30.318
Lift at Maximum Lift-to-drag 0.156 0.469
Angle-of-Attack for Maximum Lift-to-drag (L/D) 2.000 -0.500