Full-Scale Wind-Tunnel Tests on Several Metal Propellers Having Different Blade Forms (1931)
NASA Technical Reports Server (NTRS) · leaf 6
the propeller other measuring devices is given in Reference 2. shaft ). The propellers were tested on an open-cockpit jD = the drag of the airplane alone (without propeller) fuselage with a conventionally cowled 9-cylinder 200- at the same air velocity and density. horsepower Wright. J-5 radial… … Fioure 5.—Fuselage and direct drive J-5 engine Note.—With geared engine, nose was pointed and propeller was 7J4 inches farther forward. In order to obtain the propulsive efficiency, an torque could be measured directly. The engine torque as measured included the torque on the cylinders effective…
NASA Technical Reports Server (NTRS)
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