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Originally Posted by tomas_wallin
(Post 3794663)
81.8MPH with a standard 26P Bravo at 5000rpm :whistle:
Hmmmm...not trying to burst your bubble but the math doesn't quite add up there. I had a 24 Superboat w/496HO. With a 28P Bravo I saw around 78 MPH @ 5000 RPMs. I saw 80 once or twice. EDIT: I read through some of the thread again and noticed that you are running a 1.36 drive. In that case you numbers add up. |
Originally Posted by tomas_wallin
(Post 3811233)
Thanks Chris!
THe power would be 425 plus whatever the CMI's add and what the Bullet mufflers removes so maybe a total of 450HP. The Bravo X is just a standard Bravo with a couple parts with added strength. My prop shaft is about 3-1/2" below the bottom. My bottom needed alot of work to get is straight and sharp so that should have given me a few MPH, and then it's the weight. The Pantera is completely empty and stripped from anything that I don't need. Total race weight complete with all the equipment and gear I need for racing (just about 100Lbs) and 20 gallons of fuel is 3850Lbs. You should try a 25P Rev4, I got the same RPM's with it as with the 26P Bravo. Still impressive work on your end...
Originally Posted by Dave M
(Post 3812742)
Hmmmm...not trying to burst your bubble but the math doesn't quite add up there.
I had a 24 Superboat w/496HO. With a 28P Bravo I saw around 78 MPH @ 5000 RPMs. I saw 80 once or twice. Damn good speed as well Dave... Im thinking my props definitely too big, you guys are turning that much RPM, similar HP range, and way more speed, lol |
Just got a bit more with a 25P Rev4...
83.2MPH hard at the limiter at 5150rpm. Pretty choppy and windy. |
hmm i have a 27ft squadron and am not seeing anywhere neer those speeds. Im running a 22" bravo1 to 60mph @ 4700, ratio is 1.5:1
am i missing something here? |
Originally Posted by CafeRacerPTY
(Post 3819935)
hmm i have a 27ft squadron and am not seeing anywhere neer those speeds. Im running a 22" bravo1 to 60mph @ 4700, ratio is 1.5:1
am i missing something here? |
I have a 1980 24 pantera around 450 hp 468 Ci. some what built, dry exhaust 17 x and a mirge plus 23 at 4900 rpm hit 72 mph on gps.
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Originally Posted by tomas_wallin
(Post 3819950)
First of all you have 27ft, maybe a cabin and most likely a lot more weight. :)
My boat used to be a trs boat and is now a bravo. i am starting to suspect it may be a set up issue with the drive or prop. |
Great job getting that 24/7 working so well.
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Originally Posted by CafeRacerPTY
(Post 3820203)
Granted it is 3 ft longer but has no cabin. People here are talking about speeds far greater than what i am seeing. can 3 feet, no cabin account for 10+ mph?
My boat used to be a trs boat and is now a bravo. i am starting to suspect it may be a set up issue with the drive or prop. how much power do you have? |
Originally Posted by professor_speed
(Post 3820206)
How deep is the prop?
how much power do you have? not sure about the prop have to measure later and advise. thanks |
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