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#12678058 - 03/18/18 10:33 AM Skeeter SS90 porpoising
joho5 Offline
TFF Team Angler

Registered: 07/03/08
Posts: 3007
Loc: Abbott, TX
When I am by myself it seems to do fine, but when I have a tournament load and a person, I can’t seem to run it at wot unless the boat is trimmed all the way down. When I start trying to trim up to gain speed and rpms, it starts porpoising. Very annoying. Livewells are in the back.

It has a Johnson 90hp, it’s 16.2ft, ballistic 13.5x17 prop, and 6” manual jackplate.

anything I need to try different? Motor is mounted about as high as I can without losing grip on hole shot and on turns.

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#12679198 - 03/19/18 07:44 AM Re: Skeeter SS90 porpoising [Re: joho5]
steve@hydrodynamics Offline
TFF Celebrity

Registered: 08/25/06
Posts: 6874
Loc: Quitman,Tx
get the prop checked for tip cupping. or it could also have a slightly bent blade.
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#12679403 - 03/19/18 09:26 AM Re: Skeeter SS90 porpoising [Re: joho5]
Capt Craig Offline
Extreme Angler

Registered: 08/25/09
Posts: 1628
Loc: Richland-Chambers
You might try redistributing some weight to the bow of the boat. Sounds like a weight issue with the boat being 16' and having an extra 150+ pounds of a second person in the boat. Do a test and put the second person toward the front and see how that changes the boats balance.
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#12690931 - 03/27/18 07:30 AM Re: Skeeter SS90 porpoising [Re: joho5]
joho5 Offline
TFF Team Angler

Registered: 07/03/08
Posts: 3007
Loc: Abbott, TX
Lowering the motor 1” cleared it up. I think the prop was ventilating when trimming out.

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