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tarpon32 
Newbie 
Joined: April-11-2019 Location: Alabama Status: Offline Points: 37 |
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 Topic: prop sizePosted: August-16-2023 at 12:49pm |
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Information on a new prop for 1990 Nautique, 351 Ford, take long boat trips , looking for prop at 2000-2100 rpm that will give max speed. Now 2100 rpm at 25 mph 3 blade.
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Randy
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Tomrupp
Groupie 
Joined: October-14-2021 Location: MI Status: Offline Points: 73 |
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Posted: August-16-2023 at 1:19pm |
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25 at 2100 is pretty fast. I’m closer to 22 with 4 blade and same hull as you.
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Tom
94 Ski Nautique Open Bow 351 with Carb 95 Double Decker Aqua Patio with 50hp Honda (3 carbs). |
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Jonny Quest
Grand Poobah 
Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 2863 |
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Posted: August-17-2023 at 12:08am |
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Reach out to Tim Benjamin on this site: TRBenj
Great info on props.
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Current
2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 10726 |
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Posted: August-17-2023 at 7:18am |
He'd probably wonder what brand and size is on it right now to give those numbers. He'd probably also wonder if the tach is accurate and the speed is GPS verified, since like Tom said, 25 mph at 2100 rpm is pretty fast now with whatever is on it
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GottaSki
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Joined: April-21-2005 Location: NE CT Status: Offline Points: 3335 |
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Posted: August-17-2023 at 8:28am |
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I don;t think youre going to save what you think you are going to save.
if you get the rpms lower, the manifold vacuum will be lower(numerically) because one still has to burn x gas to do x work
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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Jonny Quest wrote: