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Influence of design on cost of operating airplanes (1922)
NASA Technical Reports Server (NTRS) · leaf 22
a-Safetv factor=8 b-Safety factor=6 c-Safety factor=4 … Iteraibi6n 'ic.imurs (Two 420 HP, Liberty engines, 840 HP,; total weight, 12,600 lb.; wing area,. 1260 sq.ft.; high speed, 108 M.P,H* at 5000 ft.; minimum speed, 57 M.P.H*-10 lb. per sq.ft.; climb from aea level, 565 ft. in first min,) Fig, 9 Variation of »3>st with duration-840 HP, Airplane.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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