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Influence of design on cost of operating airplanes (1922)

NASA Technical Reports Server (NTRS) · leaf 18

An illustration from Influence of design on cost of operating airplanes, 1922, leaf 18
a-Pay loaa b—Safety factor 8 c—Safety factor 6 a-Safety factor 4 e-Wings f-Pilot ana mechanic g-Front fuselage, etc. h-Rear fuselage ana tail i-Landing gear 3-Tanks k-Gaeoline and. oil 1-Engine, propeller, radiator and water Total weight in lb. 15800 12600 3400 … 80 90 100 110 120 130 140 High speed at 5000 ft, in M.P.E- (T.vo Liberty engines, constant minimum speed, 57 M,P.H.; duration, 4 hr.; wing los,ding, 10 lb. per sq.ft.) Fig, 5 Variation of weight division with speed 840-HP. airplane

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