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The pros of having steps in the hull

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The pros of having steps in the hull

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Old 09-09-2018 | 08:17 AM
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Originally Posted by BUP
IMO no one has done anything as of within 10 years for new bottom design and or converting V hull straight bottoms to a new line up of stepped hulls except SEA VEE. I do know they put in alot of time in with it. I even talked to the designer of the bottom Robert K. in an airport waiting for our flights during that time of the build. Anyways here is some info
You should google the work that Tres Martin has done with Sunsation on their step bottoms. He assisted with their 36 performance boat, then totally designed the 32/39 CCX. I'd say that guy knows more about going fast in step bottom boats than anyone.
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Old 09-09-2018 | 09:28 AM
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Originally Posted by BUP
IMO no one has done anything as of within 10 years for new bottom design and or converting V hull straight bottoms to a new line up of stepped hulls except SEA VEE. I do know they put in alot of time in with it. I even talked to the designer of the bottom Robert K. in an airport waiting for our flights during that time of the build. Anyways here is some info

https://www.youtube.com/watch?v=ayaIk3JfYiU
bup I think it’s irresponsible and naive to say no company is developing new bottom designs. I’m willing to bet designers from all active performance boat brands would argue your point.

OL seems to come out with new bottom designs all of the time. Are they variants of hulls past...sure. But doesn’t apple do the same thing with iPhones. We should give a little more credit where credit is due...
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Old 09-09-2018 | 09:48 AM
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Im really disappointed in you guys !! You have all skipped past the most obvious and beneficial benefit of stepped hulls.

With stepped hulls, the trailer bunks are broken into sections, with each section going towards the rear of the trailer being taller. This well thought out and planned design feature helps prevent the boat sliding backwards off the trailer because you forgot to properly strap it down, When that happens, not only do you look like a complete idot, you cause a major traffic backup resulting in your fellow motorists saluting your pride and joy with one finger. Dont be that guy, get a stepped hull !!!




Last edited by phragle; 09-09-2018 at 09:54 AM.
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Old 09-09-2018 | 10:31 AM
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Originally Posted by phragle
Im really disappointed in you guys !! You have all skipped past the most obvious and beneficial benefit of stepped hulls.

With stepped hulls, the trailer bunks are broken into sections, with each section going towards the rear of the trailer being taller. This well thought out and planned design feature helps prevent the boat sliding backwards off the trailer because you forgot to properly strap it down, When that happens, not only do you look like a complete idot, you cause a major traffic backup resulting in your fellow motorists saluting your pride and joy with one finger. Dont be that guy, get a stepped hull !!!



Your second pic disputes that theory
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Old 09-09-2018 | 10:42 AM
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Originally Posted by 96scarab
Your second pic disputes that theory

No, it doesn't..... it proves you need real steps, manly steps, not some itty bitty super wimpy bump on the bottom of the hull because the manufacture was to lazy to sand the plug smooth when he built the mold step....
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Old 09-09-2018 | 11:51 AM
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Originally Posted by phragle
No, it doesn't..... it proves you need real steps, manly steps, not some itty bitty super wimpy bump on the bottom of the hull because the manufacture was to lazy to sand the plug smooth when he built the mold step....
if that’s a nortech cat...your theory is wrong. Bunks don’t sit on sponsons. Boat is supported on the tunnel which doesn’t have steps.
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Old 09-09-2018 | 11:52 AM
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Originally Posted by phragle
No, it doesn't..... it proves you need real steps, manly steps, not some itty bitty super wimpy bump on the bottom of the hull because the manufacture was to lazy to sand the plug smooth when he built the mold step....
if that’s a nortech cat...your theory is wrong. Bunks don’t sit on sponsons. Boat is supported on the tunnel which doesn’t have steps.
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Old 09-09-2018 | 11:56 AM
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First I am talking about V bottom designs only. OSO members 90 percent are V hulls owners up here if I had to guess so I am related to the vast here..

I would have thrown in the Sunny 36 and then their CC boats for Sunny. Mainly I am talking about about brand new totally new bottom designs like what sea vee did and all their testing within say 2009 to current. The one video I posted only shows a small part of it.

Sunny already had stepped hulls so they had a base to start with. outerlimites had stepped hulls way back as well, Im am talking about mainly a boat company or a brand new boat company that brought to market within the last 9 years that was NEVER a stepped hull design ever. . Started from base one, had to do the old school testing and tweaks many times after the fact to get it dialed in completely.

Alot of companies already had steps so they had info and real world facts to go off of beforehand.

The 39 Rockit by hustler and the 29 by them could be thrown into the mix for redoing their stepped hulls but again they had stepped hulls from the 80 s..

I was just saying and have to give Sea Vee alot credit for not throwing steps into their V hulls without doing real world leg work testing and improving on it. If I recall it was over a year of testing.for them.

Last edited by BUP; 09-09-2018 at 12:03 PM.
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Old 09-09-2018 | 12:22 PM
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Originally Posted by 1MOSES1


if that’s a nortech cat...your theory is wrong. Bunks don’t sit on sponsons. Boat is supported on the tunnel which doesn’t have steps.
Well that is an obvious design flaw then , isn't it....
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Old 09-09-2018 | 12:44 PM
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Originally Posted by madbouyz
Fascinating SeeVee flick.
Basically what they're saying is 'We've finally designed a safe stepped bottom hull'
Michael Peters was a decade earlier with their svvt hull first used on the Victory 56 patrol boat and the first production use on the Invincible line of center console
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