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The aerodynamic characteristics of six commonly used Airfoils over a large range of positive and negative angles of attack (1931)
NASA Technical Reports Server (NTRS) · leaf 9
1 … 32° 24° 16P -8° 0° 8° -32° -24° -15° Angle of attack, a Eig.4 Airfoil, C 72. Eeynold's ITumber, 3,100^000. V.D.T. tests, 529 and 637. Aspect ratio, 6. Dates 3/31 and 7/31. Tunnel wall correction applied. (ftNASA Technical Reports Server (NTRS)
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