Engines and propellers for powered gliders and light airplanes (1938)
NASA Technical Reports Server (NTRS) · leaf 11
.06 .1 ■ .2 .3 .4 .6 .81.0 Figure 2.- Efficiency curves for propellers which in the preBent stage of ^ Figure 1.- Ourves of equal efficiency for Biz development represent approximately the up- h- per attainable limit. Operating conditions 'S sets of propellers -and envelope. of propellerB of…
NASA Technical Reports Server (NTRS)
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