Full-Scale Wind-Tunnel Tests of a Series of Metal Propellers on a VE-7 Airplane (1929)
NASA Technical Reports Server (NTRS) · leaf 4
for aircraft. INTRODUCTION It has been known for some time that, in general, thin metal propellers are somewhat more efficient than wooden ones. Actual comparative values have not, however, been available. The present full-scale tests on a series of metal propellers give, for the first time, data… … Fig. 1—Metal blade for 9 ft. diameter propeller. Right hand. No. 4412 A two-bladed adjustable pitch metal propeUer was tested at five different blade settings, c-iving in reality a series of propellers varying in pitch. Since each blade as a whole was rotated Tn the hub to the desired setting, all…
NASA Technical Reports Server (NTRS)
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