cup prop
I have a 200hp perkins in a mainship 1. 10 kt boat , but like i said 2350 wot ,book says 2400 wot, so close enough .1.91to 1 gear . type of motor has nothing to do with how I make the prop spin, just want to know if slight cup would help, or not .on small fast boats have much less slippage than .a larger heaver boat .I know that cupping on a small fast prop will make a big difference , just wondering what the effect it would have on a bigger slower prop ?
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