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Originally Posted by benjen
(Post 4245226)
I know I will get bashed for this, but I'm not sure the speeds of stepped hulls increase as much as everyone on here thinks/says. Most of the non steps in question are side by side, heavy glass boats. The stepped hulls everyone likes to compare these older boats to have full stagger, lighter material hulls, usually with more hydro-dynamic lowers.........this combination also allows for "tricker" props as well. Never mind the ocean we boat in here in the northeast. I think I understand part of what the steps are doing. Not the least of which is to aerate the bottom. If you are out on a nice glass body of water there is no doubt in my mind the steps will help. But the real world around here with the chopped up water, waves coming at several directions, etc. not so much. Just my opinion!
http://m.youtube.com/watch?v=a3LMeoDSglY |
Originally Posted by cig92
(Post 4245424)
There's almost a 20 mph difference. Straight bottom vs ts tg with 600's, mid 70's to mid 90's. As for the 38 pp, it is the same bottom as a 388 slingshot. They got sued over that years ago, probably why they are no longer around.
Like I said a TS 500efi boat is low 80's. Our boat does 70 on a good day. Thats about 10-14 mph difference. I don't think stepped hull efficiency increases with speed but I could be wrong. |
Originally Posted by Donziben
(Post 4244782)
That boat is not for sale that I know of. I think the OP was asking about an'04 with that power. Is the OP Darr?
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Originally Posted by 1MOSES1
(Post 4245438)
Not trying to argue your point but from what I hear from several people in my area who own TG ts's with 525's (570hp) bravo boats they are lucky to see 88. I don't see how 600's get you to mid 90's? Just think the 20 mph comparison is a bit of a stretch.
Like I said a TS 500efi boat is low 80's. Our boat does 70 on a good day. Thats about 10-14 mph difference. I don't think stepped hull efficiency increases with speed but I could be wrong. |
03 with 525's, xr's with its, 6 people full of fuel, tools gear etc 84, light 2 people 88, the owner once got it to 90 on fumes perfect conditions.
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Originally Posted by lil red
(Post 4245514)
03 with 525's, xr's with its, 6 people full of fuel, tools gear etc 84, light 2 people 88, the owner once got it to 90 on fumes perfect conditions.
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Only thing I know for sure is that after a season with the 750's, you'd wish they were 1100's. rinse, repeat.
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Originally Posted by cig92
(Post 4245253)
I have to disagree with you. The numbers I posted are real life gps numbers, I have nothing to gain by inflating them. It was a 2002 38 tg,heavy side by side glass boat that ran over 100. Can't help it if you don't like/believe the numbers but they are what they are. For a comparison, my glass 37 ol, side by side 600 hp ran 94 gps and my first 92 Kevlar 38 cig with hawk 600 ran 73, do the math. There is no comparison when it comes to steps in a boat. You can say what you want about chopped up water but it still doesn't do what steps do
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Originally Posted by lil red
(Post 4245514)
03 with 525's, xr's with its, 6 people full of fuel, tools gear etc 84, light 2 people 88, the owner once got it to 90 on fumes perfect conditions.
after reading this thread, the speed disparity seems as though it's more a function of weight than steps. I'd venture a guess that if our 94 500 efi boat weighed 2000lbs less we'd be around 72-73 which cuts the gap even more between a stepped boat and flat boat (10 mph). With that you lose almost half the cabin and the lighter layup t/s's from what Ive seen have cracks around the cowling and engine bay. |
Do we not have any 38 TS staggered vs non staggered w bravos and 525s to end the debate on how much the stagger adds?
I suspect that the answer to the OP is that you would have a 100 mph boat on a 750 hp TS 38 bravo boat. |
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