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Aerodynamic tests of a low aspect ratio tapered wing with various flaps, for use on tailless airplanes (1933)
NASA Technical Reports Server (NTRS) · leaf 7

NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
More pictures from Aerodynamic tests of a low aspect ratio tapered wing with various flaps, for use on tailless airplanes
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