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The boat weighs 4,288 with a half tank and an extra 750 fit into the equation for water in the foam and gear. The problem with this boat is has a 19 degree deadrise super deep V. It cuts through chop like a tank but it isn't the most streamline. The first prop I had on it was a honda 3-blade 13" pitch 14.25" dia. I had a custom 4-blade 14" pitch 15.5" dia made for it and it drastically reduced slip. I tack out at 5800 now doing 25kts when the prop is turning at 31.16 so I calculated a 18% slippage. Not much else I can do but live with it.
I might have the motor lowered one notch next year to see what that does.
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