Quote:
Originally Posted by Art
Traveling at <90% of hull speed, especially by shutting one engine down and running on the other, should amaze you regarding fuel savings... compared to 100% hull speed running either one or both engines.
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This works on gassers, but the difference is much smaller with diesels, as they lose far less efficiency at light load.
Regardless, too far below hull speed on a boat that's meant to go fast can be a problem handling-wise in rough water. Even worse with 1 engine shut down and 1 rudder not having prop wash over it.