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Pressure Distribution Over Airfoils at High Speeds (1927)
NASA Technical Reports Server (NTRS) · leaf 25
Fig. 12—Drag coefhcients for the six airfoils at various speeds and angles. Numbers on the curves denote values of VfcNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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