T&T: 8KW Westerbeke fuel burn?

[Keith]

I'm doing some long term fuel usage calculations on the Krogen 42. Problem 
is that I have engine use mixed with genset use, and would like to back out 
the genset use to get the actual engine fuel burn. Here are the numbers so 
far since last fill:

Fuel burned: 320 gallons
Engine hours: 149
Genset hours: 44
Nautical miles traveled: 960
Average engine RPM's: 1800

This gives, with combined engine/genset use: about 3 NM/Gallon and 2 
gal/engine hr. burned. The actual engine only numbers will be different, but 
I have no idea how much fuel the genset burns by itself. The engine is a 
Lehman 135. TIA!


Keith
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