Hi, Denny: Actual mileage is now averaging 2.2mpg, but at least half of the time I am running at low planing speeds - say 12-15 knots, as it has been pretty choppy here this spring. I would expect that over a longer voyage, say cruising at 20-22 knots, mpg would go up. My other prop is an aluminum 15x15 BRP and it gets slightly better results.
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