A18 (original)

Thickness: 7.3%
Camber: 5.0%
Trailing edge angle: 22.6o
Lower flatness: 20.4%
Leading edge radius: 2.2%
Efficiency: 30.4
Max CL: 1.298
Max CL angle: 6.0
Max L/D: 54.139
Max L/D angle: 6.0
Max L/D CL: 1.298
Stall angle: 6.0
Zero-lift angle: -5.5