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Tests of the N.P.L. airship models in the variable density wind tunnel (1927)
NASA Technical Reports Server (NTRS) · leaf 48
NACA TN No. 1642 47 … Percent chord (b) 24-percent-thick airfoil. Figure 3. - Concluded. Velocity distributions on airfoils by mapping and stream-filament theory, c, chord of airfoil; h, height of tunnel; t, maximum thickness of airfoil.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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