BOEING 707 .40 SPAN AIRFOIL

Thickness: 9.6%
Camber: 1.9%
Trailing edge angle: 11.6o
Lower flatness: 12.4%
Leading edge radius: 1.9%
Efficiency: 32.6
Max CL: 0.997
Max CL angle: 14.0
Max L/D: 41.352
Max L/D angle: 0.0
Max L/D CL: 0.173
Stall angle: 14.0
Zero-lift angle: -1.5