You want the largest diameter prop that still gives you a couple of inches clearance. Then, while under way while in gear, run the engine at full throttle. If you can't reach maximum RPM, you're over pitched. If you can rev up substantially higher than max RPM, you're under pitched.
Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR > > ----- Original Message ----- > *From:* Robin Drew via CnC-List <cnc-list@cnc-list.com> > *To:* cnc-list@cnc-list.com > *Cc:* Robin Drew <drew.robi...@gmail.com> > *Sent:* Sunday, June 05, 2016 22:28 > *Subject:* Re: Stus-List Propeller > > Thanks. I just bought the boat and I'm pretty annoyed but sure the problem > is that it's worn and needs maintenance. I'm planning on removing it and > putting a simple 2 blade prop on, at least for now. > > It's hard to get info about the size and pitch specs. However, I found a > website in BC that has a prop calculator and it gave me 15" with 9" pitch > for my boat (CNC 33/2), engine and transmission. Does this sound right? > > Any comments? > Robin Drew > Mobile: +1 514 4632060 > > >
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