Ok its a 20 foot crest pontoon plate says max hp is 70hp. i have a 2004 60hp bigfoot motor. As far as weight just 1 12gal fuel tank , 3 batteries,toon alone is 1725lb motor is 225lb,and me 212lb and some fishing gear when i did the water test..
Last edited by lawless; 04-03-2022 at 07:39 PM.
Has it always felt the same power wise? Or does it feel lacking like something is off mechanically. Generally toons are propped large for top end, because hole shot doesn't matter and steering is more important. Make sure you have the correct motor and gearbox selected on the Mercury prop tool, it being a CT youll use less pitch since its a bigger prop but i would have thought 13P area would be perfet, you must have it loaded.
You won't notice any difference with SS vs alum in the same prop design with a toon.
The 50s and 60s really do like to be ran high, 5500-6000rpm so you do need to drop some pitch. I would drop 2 pitch and you should be better off, 11p 4 blade.
The other thing is your block and oil temp is cold, things move a lot better when they are warm vs 32f, youll gain at least 100rpm on a nice summer day. Probably more like 200.
Props now have rubber bushings that are supposed to reduce the risk of damage. My goal is to avoid hitting anything.
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Figure 250 rpm per inch. So the 11 inch should be spot on for the 5500-6000 range you need to be running in. I’d stick with the 3 blade if it was me. Either the 13 or 14 but I’d lean towards the 13 there again if it was mine. I have 3 different 13x 11in props for my 50 Yamaha 4stroke one is a performance. On 2 standards I get 57-5800 and performance I get 6000-6200 depending on trim.
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