United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 738
uld, a somewhat lower maxi-mum efficiency than for No. 1, but somewhat higher efficiencies for large values of the slip(low values of V/ND). On the other hand, propeller No. 143 with concave leading edge increases in pitch whenunder load with the corresponding result of showing a somewhat higher… … STANfO/^D UA//\/£RS/TY/^£mDYAJAM/C LABORATORY PROPELL5R /42 .9P,S,A,rs Like Prope/ler No./ /n a// res/oec/s except Blade Contour. Tlatk I. ^^^c/,
Aeronautics
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