Hi Schwendy
Assuming the price per gallon was $4.00 you burned 170 gallons. if you were running 6 days that would be about 30+- gallons per day. Generator maybe burned 3 gallons per day so running two main engines burned 150 gallons. Just spitballing this, but doesn't seem unreasonable. you can reduce your fuel consumption dramatically by running at lower RPM's without much loss of speed. Gotta find the sweet spot.
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