When propeller is operated at zero speed of advance power output vanishes, and thrust itself is only suitable measure of return for input power invested; to compare several kinds of propulsion devices at dead pull condition, and to eliminate size as factor, it is desirable to use non-dimensional (or pseudo non-dimensional) parameters to express thrusting or pulling performance; in addition, emphasis has been placed on ratio of thrust to shaft horsepower.
On bollard pull of marine propulsion devices
Naval Engrs J
Naval Engineers Journal ; 74 , n 4
1962
2 pages
Article (Journal)
English
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