Chatley, Herbert, 1885- · New York, D. Van Nostrand company · leaf 47
Longitudinal Section … Cross-sectionFig. 3. THE PIPE MOTOR 39 proximated to. The late M. Froude hasshown that in marine practice the maxi-mum possible efficiency is 77 per cent.,and there seems to be good reason forsupposing the case to be, if anything, lesssatisfactory in air. 70 per cent seems tobe the probable…
Airplanes
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