Prop change or whale tale?

[OkCapri17.5]

I have a 98' Bayliner Capri 1750 with a 3.0 Mercruiser Alpaha 1.My boat wont plane out very fast when I pull a wakeboarder or someone on a kneeboard with people in the boat,whats your opinion on whether I should go down a pitch,I'm running a 21 pitch now.Should i go to a 19 pitch or try a whaletale?

 

[Bondo]

Re: Prop change or whale tale?

Ayuh,... Try a smaller prop,...
And,...
Leave the extra passengers on the dock....

 

[ufm82]

Re: Prop change or whale tale?

Drop down to a 17 pitch prop and see what it does- your pulling ability will shock you but watch your rpms- you could over-rev with the lower pitch. What is your WOT with the 21? That prop will not give you much low end power- to aggressive and it will slip when trying to pull a skier/tube up. Leave the whale tail off. A 17 footer with you and tuber should have enough oomph for three more people with the right prop.

 

[craze1cars]

Re: Prop change or whale tale?

A 4" pitch reduction is a very bold recommendation, without any RPM data being provided.

OKCapri: What is this boat's top speed, and what is your current top speed RPM...with your 21 pitch prop?