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The theory of contra-vanes applied to the propeller (1939)
NASA Technical Reports Server (NTRS) · leaf 24
N.A.C.I. Technical Memorandum No. 909 Figs. 9,10,11,12,14 … numberB and infinite blade length. I— -21 H -iA - Pig. 11 I Figure 14.- Single blade of limited length and its reflection at the hub. 4? Oii ns %S tS 2,0 2,2 2,1 1,0 1,2 1,1 Pig. 12NASA Technical Reports Server (NTRS)
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