Results of tests on double-ended ferry boat, "W. R. Hearst," and other tests lead to conclusion that reciprocating steam engine or Diesel engine, in which bow and stern propellers are operated at same revolutions per minute, require 19 per cent more power than electric system, due to difference in propulsive efficiency; steam-engine drive requires 40 per cent more fuel than turbine electric system; both turbo-electric and Diesel-electric drive overcome inherent propulsive efficiency loss of reciprocating steamengine type of drive.
Application of electric propulsion to double-ended ferry boats
Am. Inst. Elec. Engrs. -- Jl
1925
6 pages
Article (Journal)
English
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