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jet boat performance

  • Karma: +25/-0
69" Halllet @JBP
« on: September 03, 2008, 08:43:33 PM »
This 69' Hallet (very early Jet ) was brought to us last month (appointment was made) with a simple request "I have a berk 12ja ,can I bring it up for a Place diverter ??" Boat install, runs 45 ish' now. When it showed up Josh and I took one look and said Holy Sh*T (never seen really seen a Berk jet install like this 'cept for the forums ("Slow ride") ) Paolo drove 190 miles Back to Encino (no work done) but we had some ideas and measurments .... note the xtra long reverse delio and the jet placement/linkage etc .
« Last Edit: September 03, 2008, 08:46:23 PM by jet boat performance »
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jet boat performance

  • Karma: +25/-0
Re: 69" Halllet @JBP
« Reply #1 on: September 04, 2008, 07:43:56 AM »
First attemp but couldn't line up the steering ....

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GT Jets

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Re: 69" Halllet @JBP
« Reply #2 on: September 04, 2008, 09:12:28 AM »
How cool is that? Hey Josh, what about a "jack shaft" for the steering to work from, otherwise the tiller bracket needs to be much taller, we had one made from 3/8" flat stock that used the cable bulkhead threaded area as an anchor point and then hard bolted to the origional cable connection, may not be high enough though....I'll try to scare up a photo or two.


The "jack shaft" would put the origional cable inside the boat at the transom and work similar to an outboards steering system, personally I would go hydraulic steering (Sea-Star).

Thats just too cool looking >:D
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

jet boat performance

  • Karma: +25/-0
Re: 69" Halllet @JBP
« Reply #3 on: September 04, 2008, 07:44:38 PM »
Glenn Josh actually made up something similar to that but due to where the steering was "located" by the rigger it would potentially bind (even though what he concocted was very cool) This was/is Phase 2 ,adding an AT bowl extender ,thus moving everthing back (below)

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GT Jets

  • Karma: +192/-0
Re: 69" Halllet @JBP
« Reply #4 on: September 04, 2008, 09:42:13 PM »
If anybody can figure it out, it's Josh, I'm betting he counts impellers in his sleep! ;)


BTW, nice double drill action, time consuming........ :P

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

WORD

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Re: 69" Halllet @JBP
« Reply #5 on: September 05, 2008, 06:18:59 AM »
that ingenuity is unbelievable!!!

jet boat performance

  • Karma: +25/-0
Re: 69" Halllet @JBP
« Reply #6 on: September 05, 2008, 08:03:38 AM »
Heres the final product ,now we have enough distance to make the steering work (without new holes)



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beerjet

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Re: 69" Halllet @JBP
« Reply #7 on: September 05, 2008, 08:08:12 AM »
That diverter is gonna have a ton of leverage . Good work guys .

-beerjet-
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i dont but im all for stuffin shit in her ass to make her go away :-*

78CoLe

  • Karma: +3/-0
Re: 69" Halllet @JBP
« Reply #8 on: September 05, 2008, 08:41:05 AM »
maby too much mite pull the intake out of the water better put a good grate in it my .02 the intake is way forward and mike was set real shallow like 3* i think he would have to chime in on this one
« Last Edit: September 05, 2008, 08:59:32 AM by 78CoLe »
  • Boat #1: 76 Hallett Mini Cruiser
  • Boat #2: 84 D'Cucci Starfire v-drive SS/PS
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BBF GOD

Marcsrollin

  • Karma: +33/-0
Re: 69" Halllet @JBP
« Reply #9 on: September 05, 2008, 08:52:40 AM »
That looks like one very expensive diverter set up!!!!
  • Boat #1: 1978 TX-19 Youngblood
  • Boat #2: 1994 24 foot Sundancer Pontoon
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Taco'd "a person or people that show up with one lake lice and a family of 50 and cram 3 people at a time on it with no disregard to boating rules or ethics. Usualy crap in toilets and throw shit paper in trash cans. Hang out at the boat ramp like its a swimming hole. Have zero insurance on anything they own and dont give two shits less about your property."

jet boat performance

  • Karma: +25/-0
Re: 69" Halllet @JBP
« Reply #10 on: September 05, 2008, 07:48:10 PM »
This was the email (part) I got back from the customer, pretty cool to get the feedback, looks like a decent improvement to me

....."The outcome was a 6 inch adaptor to a 1.5 inch droop snoot to a manual Place Diverter w/adjustable trim.
Final result(Alot less wetted surface) and a 11mph increase on the GPS!(I admit I was babying her and I think I can get another 4mph out of her!) resulting in a Top Speed of 60mph!!! Not bad for a 1969 Hallett w/ a 455 Olds!"





« Last Edit: September 05, 2008, 07:56:31 PM by jet boat performance »
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Re: 69" Halllet @JBP
« Reply #11 on: September 05, 2008, 07:53:05 PM »
If a picture is worth a thousand words, the smile on that dudes face has to be worth 10k words.... ;D

Cool....
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

jet boat performance

  • Karma: +25/-0
Re: 69" Halllet @JBP
« Reply #12 on: September 05, 2008, 07:59:45 PM »
If a picture is worth a thousand words, the smile on that dudes face has to be worth 10k words.... ;D

Cool....

The Dude is a Disc jockey for social events in northern La area super nice guy , I think with some "tune up" the boat has more MPH  despite where the rigger saw fit to place that heavy a$$ motor and jet "back in they day"  ;)
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