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Estimating Fuel Usage at different RPM
I have a 7.4 L MercCruiser Engine on my 29 ft Bayliner. While on
plane, I know the fuel usage for cruising RPM and max speed RPM. SInce I do not have any gear changes, I have been assuming fuel usage (gal/hour) is linear with RPM and I can extrapolate to lower RPM than crusing. Is this a good approximating assumption? |
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