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Anyone running a hydrofoil on a stepped hull?

Old 03-27-2022, 08:28 PM
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Default Anyone running a hydrofoil on a stepped hull?

Wondering how much a hydrofoil will effect the ride of a stepped hull, my Larson Senza Spectre easily rolls while riding and is very squirrley at lower speeds. I think a hydrofoil will improve all of this. Anyone have this setup?
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Old 03-28-2022, 07:18 AM
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long tabs are the trick setup 380s really help smaller boats with stability
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Old 03-28-2022, 07:58 AM
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Well, if the issue is at lower speeds, the easy solution is to not go slow!
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Old 03-28-2022, 09:08 AM
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Originally Posted by resurrected View Post
Well, if the issue is at lower speeds, the easy solution is to not go slow!
+1. There are many go-fast boat's that don't do well at slower speeds. Never seen a hydrofoil on a go-fast and wouldn't think it make any sense financially on a low-cost boat like that. Sounds like you need a different boat.
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Old 03-28-2022, 09:24 AM
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Originally Posted by TexomaPowerboater View Post
+1. There are many go-fast boat's that don't do well at slower speeds. Never seen a hydrofoil on a go-fast and wouldn't think it make any sense financially on a low-cost boat like that. Sounds like you need a different boat.
Sure you hsve Max machine cavitation plates



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Old 03-28-2022, 09:51 AM
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Originally Posted by SB View Post
Sure you hsve Max machine cavitation plates


Thatís on a stepped hull?
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Old 03-28-2022, 09:52 AM
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Originally Posted by TexomaPowerboater View Post
+1. There are many go-fast boat's that don't do well at slower speeds. Never seen a hydrofoil on a go-fast and wouldn't think it make any sense financially on a low-cost boat like that. Sounds like you need a different boat.
That boat new, was like 45kÖ. It makes sense to me, especially since how it works and how stepped hills work.
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Old 03-28-2022, 10:03 AM
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Trim Tabs are a better bet on a "performance" hull. Putting a hydrofoil on your outdrive will help it get on plane quicker and maybe maintain plane at a slower speed, but that's about it. It will create DRAG and slow you down compared to not having one.

When you say squirrely at slow speeds, is that off-plane or on-plane? If it's off-plane, that is bow steer which is normal for V hulls. Just don't over correct with the wheel to try to steer it straight that just exaggerates the wander.
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Old 03-28-2022, 10:32 AM
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Originally Posted by Prestigeworldwideee View Post
Thatís on a stepped hull?
Was just replying to what I quoted. Nothing else.

I donít know why your boat rolls nor the fix. Sorry.

Last edited by SB; 03-28-2022 at 10:34 AM.
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Old 03-28-2022, 10:34 AM
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Originally Posted by techman View Post
Trim Tabs are a better bet on a "performance" hull. Putting a hydrofoil on your outdrive will help it get on plane quicker and maybe maintain plane at a slower speed, but that's about it. It will create DRAG and slow you down compared to not having one.

When you say squirrely at slow speeds, is that off-plane or on-plane? If it's off-plane, that is bow steer which is normal for V hulls. Just don't over correct with the wheel to try to steer it straight that just exaggerates the wander.
Iíve driven conventional v-hull boats before and theyíre not like that. It wanders like crazy at slow speeds, like I would think people would assume Iím totally smashed. Iíve considered trim tabs but that would do nothing for me on plane, since they wouldnít even be in the water. I would plane faster with a hydrofoil, it still probably will be squirrely at low speeds but not for as long, once on plane.
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