Speed and Deceleration Trials of U.S.S. Los Angeles (1930)
NASA Technical Reports Server (NTRS) · leaf 10
SPEED AND DKCELERATION TRIALS OF U. S. S. LOS ANGELES Combining (5) and (6) * 2X550 HP. 2 u Whence, without water recovery, „ .0242X56.7 E= - = 68.6 per cent and with water recovery, T, .0293X44.6 E= - =65.3 per cent The propellers were designed to have an efficiency of 67.5 per cent without water… … Figure 27.—Side power cars and water recovery apparatus of U. S. S. Los Angeles water recovery apparatus increases the slip by reducing the speed, and interferes to some extent with the flow of air to the propellers. Both effects reduce the propulsive efficiency, so that the difference in the…
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