A18 (original)

Archer A18 F1C free flight airfoil (original)

Thickness: 7.3%
Camber: 5.0%
Trailing edge angle: 6.5o
Lower flatness: 89.9%
Leading edge radius: 2.7%
Max CL: 1.298
Max CL angle: 6.0
Max L/D: 48.81
Max L/D angle: 6.0
Max L/D CL: 1.298
Stall angle: 6.0
Zero-lift angle: -5.5