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Calculation of the aerodynamic characteristics of tapered wings with partial-span flaps (1939)
NASA Technical Reports Server (NTRS) · leaf 12
Ratio of lift to drog.L/D Co o o> O) 4^ c.p. in percent of root chord (from forward end of roof chord)NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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