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  #1  
Old 05-15-2016, 02:23 PM
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New prop... Washed out surf wake?

So I switched from a 14.25x14 on my 5.7 x25 to a 15x12. And it absolutely destroyed the surf wake? Switched back to the other prop and it was fine again, so it wasn't a surf system failure. Any ideas to fix this? No center tab, just go surf assist
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Old 05-15-2016, 02:39 PM
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Were you running the same RPM's trying to surf? Might have to bump your speed up a little to get it to clean up.
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Old 05-15-2016, 02:43 PM
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It started to clean up a little. But I normally surf 10.6 and we were going like 11.6 to get it to kind of clean up
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Old 05-15-2016, 05:09 PM
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Center tab will definitely clean up the wake. I might have some before and after photos...I'll see what I have...
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Old 05-15-2016, 05:18 PM
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I switched back to the old prop, no wash
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Old 05-15-2016, 05:31 PM
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Here was our wave before center tab (2009 X2)...
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Old 05-15-2016, 05:32 PM
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And after...
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Old 05-15-2016, 06:31 PM
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Aric - I went through this about two years ago and I went back to a prop with more surface and less pitch which gave me less disruption in the wake. However, I did have to get the RPMs higher, and I list the boat with an extra 800 on the port side. You will likely have a similar game to play in finding your new optimal setup.
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Old 05-15-2016, 09:02 PM
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Quote:
Originally Posted by FoggyNogginz View Post
Aric - I went through this about two years ago and I went back to a prop with more surface and less pitch which gave me less disruption in the wake. However, I did have to get the RPMs higher, and I list the boat with an extra 800 on the port side. You will likely have a similar game to play in finding your new optimal setup.
That's what he said he did. From a 14.24 x14 to a 15x12.. Bigger surface area, lower pitch with more RPM's.

Maybe with the larger diameter the thrust column out of the prop is interacting with the hull differently to cause that? It's only 3/8" closer to the hull, but maybe that's enough.
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Old 05-15-2016, 10:14 PM
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Interesting. I'll have to play with it more this week.
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