Engines and propellers for powered gliders and light airplanes (1938)
NASA Technical Reports Server (NTRS) · leaf 11
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 minimum iiameter and ^ maximum…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
