NACA 64A010 x y (per cent c) 0 0 0 0 0.5 0.804 0.75 0.969 1.25 1.225 2.5 1.688 5 2.327 7.5 2.905 (Typo in Abbott/Doenhoff, should read: 2.805) 10 3.199 15 3.813 20 4.272 25 4.606 30 4.837 35 4.968 40 4.995 45 4.894 50 4.684 55 4.388 60 4.021 65 3.597 70 3.127 75 2.623 80 2.103 85 1.582 90 1.062 95 0.541 100 0.021 L.E. radius 0.687 per cent c T.E. radius 0.023 per cent c NACA 64_3-018 Basic Thickness Form Source: Abbott, Doenhoff: Theory of Wing Sections, page 356, 2nd Edition, Dover Book, New York, USA, 1959.