The History and Development of a Modern Pneumatic Propulsion Control for Medium Horsepower Marine Drives 620209

This paper outlines the primary objectives of a modern marine pneumatic propulsion control and the steps in its development. It reviews the various interlock and timing functions required for an “on-off” or “slip” type control in order to achieve the best results for differing applications. Piping diagrams showing the circuit development, and a strip chart covering a typical “crash reversal” are included, as well as a complete discussion of the latest type of automatic slip range control.


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