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Best ever powered single 25-30

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Old 11-03-2005, 02:27 PM
  #21
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Default Re: Best ever powered single 25-30

I could be mistaken, but, I was told that there is a BravoIII XR drive that used on some large performance cruisers w/diesel or 525 power.
Hugh
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Old 11-03-2005, 03:19 PM
  #22
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Default Re: Best ever powered single 25-30

I'd go with the 29 Activator or 28 Active Thunder

The Activator is claiming speeds of mid 80's with a Merc 525 .
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Old 11-03-2005, 03:22 PM
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Default Re: Best ever powered single 25-30

Quote:
Originally Posted by Airpacker
My top speed increased 8mph by simply bolting a blackhawk onto my cat.
Most hulls won't carry the nose without positive trim so the drive doesn't work well on them but on cats, the air carries the bow and the drive works real well. Only failure so far was a twisted off vertical shaft and that was due to loading while planing. Airating the drive fixed that problem. I installed a neutral safety switch bypass switch so I can start in gear but with the efi, it will shift into and out of gear with no real problems.
The drive was ahead of its time. A new one, redesigned with XR uppers to take more power would be the ticket on lots of smaller single cats for efficiency and speed.
airating the prop. How is that done? What kind of cat did you put it on?
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Old 11-03-2005, 04:04 PM
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Default Re: Best ever powered single 25-30

gsmith, go back and read your early posts about your daytona in the eliminator section. details are there. any other questions, pm me
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Old 11-03-2005, 04:28 PM
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Default Re: Best ever powered single 25-30

Quote:
Originally Posted by gsmith9898
airating the prop. How is that done? What kind of cat did you put it on?
Mount vertically a 2-3" pipe or hose right above the prop. When the drive is deep it will draw air down to it thus allowing it to slip therefore limiting the torque it can absorb which protects the driveline. Also can be used to allow the engine to rev up to it's powerband.
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Old 11-03-2005, 04:31 PM
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Default Re: Best ever powered single 25-30

Quote:
Originally Posted by Airpacker
My top speed increased 8mph by simply bolting a blackhawk onto my cat.
Most hulls won't carry the nose without positive trim so the drive doesn't work well on them but on cats, the air carries the bow and the drive works real well. Only failure so far was a twisted off vertical shaft and that was due to loading while planing. Airating the drive fixed that problem. I installed a neutral safety switch bypass switch so I can start in gear but with the efi, it will shift into and out of gear with no real problems.
The drive was ahead of its time. A new one, redesigned with XR uppers to take more power would be the ticket on lots of smaller single cats for efficiency and speed.
That is an awesome improvement! This BH must be the best kept secret for single engine cats. You nailed it about carrying the bow. Only production boat I know with them was a 29' Scarab that came stock with twin SBCs

It's a true surface drive (rooster tails and all), right?
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Old 11-03-2005, 06:36 PM
  #27
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Default Re: Best ever powered single 25-30

Quote:
Originally Posted by ECeptor
Mount vertically a 2-3" pipe or hose right above the prop. When the drive is deep it will draw air down to it thus allowing it to slip therefore limiting the torque it can absorb which protects the driveline. Also can be used to allow the engine to rev up to it's powerband.
mount the pipe where? pvc pipe?
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Old 11-03-2005, 06:43 PM
  #28
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Default Re: Best ever powered single 25-30

Go with the SUPERBOAT Y2K..........Best rough water 30' single out there.
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Old 11-03-2005, 07:16 PM
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Default Re: Best ever powered single 25-30

Quote:
Originally Posted by Superbabi
Go with the SUPERBOAT Y2K..........Best rough water 30' single out there.
Ya what he said!
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Old 11-03-2005, 07:55 PM
  #30
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Default Re: Best ever powered single 25-30

Hey JS,
The new Velocity 290 with the VR1 hull is pretty sweet.The wife and kids like the 15"flat screen DVD and enclosed head.I like the 83mph on GPS with a 525 efi spinning a 5 blade Hydro prop.It handles awsome in any conditions !!
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