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Large-Scale Boundary-Layer Control Tests on Two Wings in the NACA 20-Foot Wind Tunnel, Special Report (1935)
NASA Technical Reports Server (NTRS) · leaf 26
fig. If Slot at 20% chord … Angle of attack, a , degrees Figure 17.- Lift curves with slot on Bain wing. Wing with plain flap. Blower speed constant.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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