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Test of a model propeller with symmetrical blade sections (1926)
NASA Technical Reports Server (NTRS) · leaf 13
tf.A.C.A. Technical Note No.246 Fig. 2 0 2 4 6 8 10 12 14 16 Gottingen,409.Model; 39.37x7.874'J Wind velocity; 98.4ft./sec. Where tested; Gottingen. Date;1919NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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