Measuring Diesel Usage for Range Calculations

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This is going to sound silly, but akin to Bob’s suggestion about filling the tank, going on a cruise, and refilling the tank, a viable (though not necessarily cheap) way to handle the problem without modification to the boat is to have the boat weighed (on a lift), go out for a cruise, then have it weighed again. The difference in weights is how much fuel you burned, though that presumes you didn’t put any water overboard with… other systems. ��


How accurate are the lifts?
One boat yard has us at 75 tonne on their 300 tonne travelift
Another at 53 tonne on their 200 tonne travelift.
I average that and work on 65

Plus $850 at each end for the lift ain't exactly viable even if they were accurate to the gram.
 
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