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Wind-tunnel investigation of NACA 23012, 23021, and 23030 airfoils with various sizes of split flap (1939)

NASA Technical Reports Server (NTRS) · leaf 10

An illustration from Wind-tunnel investigation of NACA 23012, 23021, and 23030 airfoils with various sizes of split flap, 1939, leaf 10 — 23012, 23021, AND 23030 AIKFOILS WITH SPLIT FLAPS N. A. C. A 1U1508—AM 'I

NASA Technical Reports Server (NTRS)

Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.

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