EPPLER 638

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Thickness: 12.4%
Camber: 4.4%
Trailing edge angle: 14.9o
Lower flatness: 87.9%
Leading edge radius: 2.1%
Max CL: 1.287
Max CL angle: 14.5
Max L/D: 37.151
Max L/D angle: 2.5
Max L/D CL: 0.585
Stall angle: 14.5
Zero-lift angle: -2.5