Factor heretofore neglected in calculating effective horsepower for full-sized ship from model tests is power required to accelerate circulating water from rest to ship's velocity; general idea has been to keep projected area small even permitting small amount of cavitation at high speeds, to get higher propeller efficiency at cruising speeds; for reasons given writer believes reverse is true. (See also - (discussion) p 534-5 and further discussion in v 46 n 1 and 2 Feb 1934 p 107-12 and May p 251-3 1 supp plate)
Some notes on E.H.P. Calculations and propeller characteristics
Am Soc Naval Engrs -- J
1933
6 pages
Aufsatz (Zeitschrift)
Englisch
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