Pontoon prop Question / Suggestions ??

natedog337

Petty Officer 2nd Class
Joined
Jul 11, 2011
Messages
107
Running a 26 foot pontoon with a yamaha 115 four stroke. 3 blade prop with 13 pitch.... Getting about 21-22 mph at 6000 rpm.... The motor wots at 6200 and seems to cavitate a little if i trim motor up at all while cruising so i just keep it trimmed normal. Was thinking of switching to 4 blade 13 pitch to help with the cavitation and was wondering what others thought. Will i lose an and if i would increase any top end speed and will my RPMs come down. I think the WOT range for my motor is 5000-6000. thxs all.
 

EGlideRider

Lieutenant Junior Grade
Joined
Dec 14, 2008
Messages
1,000
Re: Pontoon prop Question / Suggestions ??

The 4 blade should drop the R's a little and maybe raise the speed some. 22 is pretty slow for your set up. Is that GPS speed?
 
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