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Original HB whipray 99’

2254 Views 8 Replies 7 Participants Last post by  Stevie
My 16’ whip is now powered with a Tohatsu 50. I am running a Powertech 13p 4 blade. The whole shot is decent and top end around 5900rpm is 29-31mph by myself running light. Any suggestions on prop to get stronger performance.
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'04 HB Devilray Merc 25 HP
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1,633 Posts
My 16’ whip is now powered with a Tohatsu 50. I am running a Powertech 13p 4 blade. The whole shot is decent and top end around 5900rpm is 29-31mph by myself running light. Any suggestions on prop to get stronger performance.
I'll need to borrow it for about 3 years to really dial it in.

Based on the info you have given, it would seem a bit high on the slippage from the prop. Is the height set correctly? The anti cav plate even with the bottom of the hull? Pics of setup would help.

But a Powertech SRA style 3 blade may help? Would probably be looking around 15-17 pitch.
 

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98’ Whipray
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377 Posts
My 16’ whip is now powered with a Tohatsu 50. I am running a Powertech 13p 4 blade. The whole shot is decent and top end around 5900rpm is 29-31mph by myself running light. Any suggestions on prop to get stronger performance.
I have an older Whip but almost identical set up. You bought the purple boat right?
I’m running a powertech 14p and hitting 32knts @wot
 
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