Wonder what the budget is?? The only advice I can give you is to take a vacation to florida. Go to pantera, buy them lunch and start asking questions. I imagine they would know more about making a 24/7 varariant handle at speed better than pretty much anybody else as they have built and set up more than anyone. Then take Tres' course twice so you have at least a slim chance at survival.
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If you do it, I wanna drive ;) just be careful and feel it out. You may end up detuning it but if the budget isn't an issue try it CAREFULLY
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Originally Posted by ezstriper
(Post 4002328)
Take it from the crazyest guy on here, Smitty...don't take this a bad way Smitty, but anybody runs that 272 the way you do..my hats off to you !!!! only one close I know of is the guy who ran 114 @ our radar run a few years back in a 251 checkmate, but back to your question...NFW...
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Don't think it is a good idea. I have an '88 and although it is very well built, nearing 80mph there is just not that much boat in the water any more. Great little dry-running boat in any water conditions (just slow down if need be) but at or over 100??? Dangerous.
Mine has hook in the bottom so yours most likely does too so fix that and maybe make the pad a bit bigger? this is about 75mph |
I've run a 16 1/2" padvee outboard at slightly over 100. That was when I was dumber and had better reflexes than I do today. It was beyond a handfull, and low 90's was the fastest I ever took a passenger in it. I've also had a 17' tunnel vee outboard over 100, and let me tell you that it makes a TON of difference whether the hull is designed for speed or not. The padvee boat was "death riding on a cracker" at any speed over 80 - things happen very quickly. The tunnel vee was relaxed and almost boring in comparison at 100. If your hull does not have a stable pad (such as you'd find on a Velocity or Fountain or bass boat) then forget about it. I'm not familiar with an Avanti so I don't know if it's a true vee or if it has a pad. But if it doesn't have a pad, then bail out on this idea while you can. Geoo's Donzi was a unique combination with lots if setup experimentation and a driver that clearly has above-human "feel and reflexes" than most. Anybody can drive a 30' Skater at 120mph, but only a handfull of gifted humans can drive a small, unstable, spastic boat at those speeds.
With that said, the Donzi in question was a small boat with most things removed for weight savings. If I remember correctly, it didn't even have a transmission to save weight. It was much lighter than your larger boat will be, and I don't know if you would have the ability to move the center of gravity around enough to find the sweet spot. But I don't like to discourage anybody from going fast. Research the build of that Donzi and pay attention to the things he did to restore stability when he reached different speed milestones. Good luck. MC |
The Avanti has a small delta pad, but your still going to be balancing a bowling ball on a razor blade. I have 12" lenco's on the back of mine and its really easy to accidently put the boat on its side with more than the slightest tap on the switch. The is a guy on here Thomas Wallin I think that did a bunch of bottom work on a 24 pantera lengthening the strakes etc. and has done a lot of testing. He would probably be a good on to talk too to get ideas on modifying the bottom to be a little more stable. Your also going to need to build a motor that will rev to the moon to get the speed out of rpm's instead of pitch. Huge pitch on that hull riding on the pad is going to try to walk the boat.
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This is all very very helpful advice see this is why ofo is the best, I think I will call pantera, if I get this to come to life I wanna do it right and as safe as possible (not sure I'm even allowed to use the word safe when discussing this). Budget I guess I would say 75k but really know deep down in the end it could easily go well over a hundred. Other argument is with that kind of money you could get a nice start on a good skater or eliminator plus be safer. I guess is depends on how nuts I am and at this point jury's still out. You gotta just love when you heard about the donzi, mighty mouse and driver George Desmond running in the 120's that was a small boat, I've never had the pleasure of meeting George but everyone talks highly of him he's certainly impressed me with his work. I wonder what he could do with a merc 1350 and a m8 + a small boat. I love watching 22-27 ft vhulls running in LOTO and offshore racing its just exciting. Drivers require a life jacket, helmet, tether and box of underwear.
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anyway, the 24-7 is a bit squirrely above 70. it is a 45-ish year old hull design. and yours is shortened a foot and a half...dennis apparently cut some corners with rigging and components he installed, but it is a well laid up hull. but it is not a tripple nickel hull.
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I have a lot of experience with Avanti's and I can tell you you're wasting your money putting that kind of power in a 22. You'll have just as much fun jumping waves with 500hp or less. The 27 would be a better bet.
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This guy is parting one out he claims runs 100...
http://www.offshoreonly.com/forums/s...wer-motor.html |
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