jezbanks
regular
Reged: 04/04/2005
Posts: 7169
Loc: ality Unknown
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10knts is way aboive displacement speed for that length of boat and will be uneconomical.
If you want to run effficiently then you will need to drop to about 7knts and then yes, one engine would use the least fuel.
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trouville
regular
Reged: 10/06/2004
Posts: 2847
Loc: crusing with an Arpège
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Thats hard to do.Ive tried to keep the speed down but still on plane after a few minuets its to much
Open the throttles the noise of the engines in sync the sight of the wake is wonderful & without useing a lot more fuel.
To motor slowly is then far better to have a sail boat & quiter
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