NASA/LANGLEY LS(1)-0421MOD AIRFOIL

Thickness: 20.9%
Camber: 2.1%
Trailing edge angle: 25.4o
Lower flatness: 4.3%
Leading edge radius: 5.4%
Efficiency: 46.9
Max CL: 1.759
Max CL angle: 15.0
Max L/D: 33.39
Max L/D angle: 5.0
Max L/D CL: 1.123
Stall angle: -0.592
Zero-lift angle: -4.5