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Testing a Windmill Airplane ("autogiro") (1927)
NASA Technical Reports Server (NTRS) · leaf 11
to O A, Airfoil 387;p=-2° Q B, ■ 429;P=-2° o C, » 429;p=-4° Dj » 429;p=-0.5° Q … 100 c w Fig.2NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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