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post #19 of Old 12-15-2012
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Re: overpropped vs underpropped

Difference between cars and marine diesels is that the diesel you control the governor and the governor controls the throttle, on a car you just control the throttle. So a marine diesel won't exceed the max governor setting. If you can't get up to RPM, also black smoke, too much pitch, if RPM gets up too quickly and hull speed is down too little pitch

Walt Elliott
Kingston WA
Puget Sound
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