Forum: Engines & props
08 March 2004, 21:11
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Replies: 4
Views: 3,409
Mercruiser 1.7 Fuel efficiency
Does anyone know what sort of efficiency a mercruiser 1.7 should be running at in a 6.5m RIB?? I have a 21inch prop running at 4,000revs travelling at 27knots and is burning 32litres an hour with...
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