Low speed on a 32plus2

Ted903 · Post by **Ted903** » Sat Feb 10, 2018 8:56 am

We have a 350hp Cat Turbo with a four bladed prop. Can only get 16 knots instead of the 22 the boat manual says we should get. The bottom is clean. Does any one know what the pitch of the prop should be or what we should do to get the proper speed? Our e-mail is tgckac@yahoo.com
Thanks Ted

Post by **Nancy** » Sat Feb 10, 2018 7:53 pm

Is the engine achieving at least rated RPM at WOT? If not, that is the first challenge.

Post by **RobS** » Sat Feb 10, 2018 8:53 pm

Always this way? Or.. ?
What’s your history with the boat?

Post by **Skylark54** » Fri Apr 13, 2018 3:50 pm

My 32+2 only gets 19 knots at WOT with the Yanmar 370. That is with full tanks and full water. I assume it would be better with less fuel. I had a Captain who ran the boat suggest a 5 blade prop. Has anyone tried a 5 blade prop, and if so what were the results??? What was the prop size???

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Low speed on a 32plus2

Low speed on a 32plus2

Re: Low speed on a 32plus2

Re: Low speed on a 32plus2

Re: Low speed on a 32plus2