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-   -   Why do hulls have "steps" in them? (https://www.offshoreonly.com/forums/fountain/151299-why-do-hulls-have-steps-them.html)

J-Bonz 02-13-2007 08:24 AM


Originally Posted by fountain40icbm (Post 2024922)
I think Outerlimits still does it, but i'm not sure. I'll confirm it this week. I think it does work.

Extreme Powerboats...................

bmanafort 02-14-2007 06:44 AM


Originally Posted by fountain40icbm (Post 2024922)
I think Outerlimits still does it, but i'm not sure. I'll confirm it this week. I think it does work.

Ken,

Did I see your cigarette for sale on OP's website?

OL40SVX 02-14-2007 09:03 AM


Originally Posted by bmanafort (Post 2026114)
Ken,

Did I see your cigarette for sale on OP's website?

Billy

Yep:D:D Send me an email at [email protected]. Dont want to take over this thread.


Danny

bsirk 02-23-2007 03:04 PM

They also drop your angle of attack, in turn moving your center of gravity forward, which is why you have to be careful about the ass sliding out in a turn if you don't pay attention to your tabs! I don't want to find out what that's like!:eek:

Go to Fountain's website and download the .pdf version of the owner's manual. They explain all this and then some.

fountainfevr 02-23-2007 10:13 PM

"Bsirk" and evryone who replied Thanks for the info.

Yamaha 225 03-04-2007 05:05 AM

You get lift on the edges just as you do with the chine. When you have a lot of these edges around your boat, it adds lift to the hull. The angle of attac is constant given the height and angle of the three hulls that run after each other. Therefor, it is not meant that you should trim your drives up to get lift. The hull takes care of this by itself. It makes a lot for the ruff water capabilities. If you have a 27 Fever, you might have to trim your drive a bit anyway. When approaching high waves adjust it down slightly (but NOT too much). This boat is single stepped.

They also sets you apart from others whose boats dont have steps... :-) Fountain is probably the best on this. 90 mph whith a 35 LGT with staggered 496HOs would be impossible in people's minds 5 years ago! Without steps in that configuration and same weight, 75 mph would likely be your speed! It also alows the props to run higher, because the propulsion is not what give you lift. When rising the props, you loose bow lift.


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