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Tests of N.A.C.A. airfoils in the variable density wind tunnel Series 44 and 64 (1931)
NASA Technical Reports Server (NTRS) · leaf 37
Fig. 6 N.A.C.A. Technical Note Uo. 401 … -8° -4° 0 4° 8° 12° 16° 2C° 24° 28° Angle of attack for infinite aspect ratio, aQ ffig. 6 Lift curves for N.A.C.A. 64 series airfoils.NASA Technical Reports Server (NTRS)
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