R140 (original)

Thickness: 12.0%
Camber: 0.4%
Trailing edge angle: 17.1o
Lower flatness: 5.8%
Leading edge radius: 1.9%
Efficiency: 27.1
Max CL: 0.6
Max CL angle: 9.5
Max L/D: 34.129
Max L/D angle: 3.0
Max L/D CL: 0.387
Stall angle: 3.0
Zero-lift angle: 0.0