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On the elementary relation between pitch, slip, and propulsive efficiency (1920)
NASA Technical Reports Server (NTRS) · leaf 13
ELEMENTARY RELATION BETWEEN PITCH. SLIP-AND PROPULSIVE EFFICIENCY NATIONAL ADVISORY COMMITTjEE FOR AERONAUTICS- PARIS OFflCE DESIGNED : B4 DRAWN I CO-v 3/12/32° CH£CK£0 /f.cJrctA#o»4'J saJiw* of £ oe.k=-oo6 Cp= 1*7 j f=-0085) APPROVED W.ff. <^ fo 666= energy expencfecf /n s//p iffifvcfiaa/… … Scs/e of(oc*-eJNASA Technical Reports Server (NTRS)
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