Best jet drive?
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Best jet drive?

  1. #1
    The Choice of Champions shifter's Avatar
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    Question Best jet drive?

    Who makes the best jet and why? Performance, duability, ect.....

    Thanks,

    pat W

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  3. #2
    Senior Member GT Jets's Avatar
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    Loaded question, Best pump for what application?



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  4. #3
    TEN THIRTY ONE RCB19's Avatar
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    Quote Originally Posted by GT Jets View Post
    Loaded question, Best pump for what application?



    That's insane. Totally different program than us fiberglass guys run. Someday I would like to eyeball some of the hardware/setups that you guys run.
    RCB

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    Senior Member widowmaker's Avatar
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    Those CNC suction housings are insane!

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    jetboataholic HawaiianJet's Avatar
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    Exclamation Here ya go

    HJ

    ***FOR SALE*** 1978 19' Full Stringer Hawaiian Molokai Jet Boat w/ Berkeley 12JC-AB and Chevy 440 Tall Deck ***FOR SALE***

    Quote Originally Posted by mako shark mark View Post
    Oh yeah, Forgot to mention that the hull is a special mixture of speedcote, herculiner and rain-x, all blended together- good for another 8 mph top end.

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    "Try it Now!" Tahiti Boss21's Avatar
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    1992 Eliminator Daytona 21'

  8. #7
    The Choice of Champions shifter's Avatar
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    We did some work in the 70's on jets and then again in the 90's and we are about to start again.

    The military plays with Kamewaa and Hamilton. This is not a high speed craft upper seventy/eighty knots maybe.

    It has to compete with a stern drive doing the same type of job. 40 ft vee with 700 hp engines.

    I do not see hi-perf big vee's out there with jets so I am trying to find out why.

    The billet housing pics with the long outlet, Is this a drag boat?

    Thanks for the help so far,

    pat W

  9. #8
    mo balls than $cents$ IMPATIENT 1's Avatar
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    billet housing is for the tin boats that really punish pumps , i think i read the suction piece was 5g's or somewhere in that area.

  10. #9
    jetboataholic HawaiianJet's Avatar
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    Quote Originally Posted by shifter View Post
    We did some work in the 70's on jets and then again in the 90's and we are about to start again.

    The military plays with Kamewaa and Hamilton. This is not a high speed craft upper seventy/eighty knots maybe.

    It has to compete with a stern drive doing the same type of job. 40 ft vee with 700 hp engines.

    I do not see hi-perf big vee's out there with jets so I am trying to find out why.

    The billet housing pics with the long outlet, Is this a drag boat?

    Thanks for the help so far,

    pat W
    So what are you asking for? What are you looking to do with the pump? I'm a little confused on what exactly you're asking about, and what information you are trying to extract.

    I personally love my Berkeley pump. But not all pumps are made equal. For your typical fiberglass boat, a Berkeley pump is all you really need.
    HJ

    ***FOR SALE*** 1978 19' Full Stringer Hawaiian Molokai Jet Boat w/ Berkeley 12JC-AB and Chevy 440 Tall Deck ***FOR SALE***

    Quote Originally Posted by mako shark mark View Post
    Oh yeah, Forgot to mention that the hull is a special mixture of speedcote, herculiner and rain-x, all blended together- good for another 8 mph top end.

  11. #10
    Senior Member GT Jets's Avatar
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    Quote Originally Posted by shifter View Post
    We did some work in the 70's on jets and then again in the 90's and we are about to start again.

    The military plays with Kamewaa and Hamilton. This is not a high speed craft upper seventy/eighty knots maybe.

    It has to compete with a stern drive doing the same type of job. 40 ft vee with 700 hp engines.

    I do not see hi-perf big vee's out there with jets so I am trying to find out why.

    The billet housing pics with the long outlet, Is this a drag boat?

    Thanks for the help so far,

    pat W
    Could be but its actually a Marathon Whitewater river racer (Tim Harding's Burning desire) I watched this boat run this year in Ore. and Cal. absolutely without question the most impressive boat I have ever witnessed, I'm told with it "turned up" will exceed 150 MPH, awsome boat...

    The Hamilton/Kodiak type pumps are used on heavier boats all of the time, they move way more water with slightly lower exit velocities which allows them to run lower pressures, very efficient, definately the way to go for something heavy IMO.

    GT

  12. #11
    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by HawaiianJet View Post
    I personally love my Berkeley pump. But not all pumps are made equal. For your typical fiberglass boat, a Berkeley pump is all you really need.
    Okay I'll be the one to say it " Do you have enough info to make that comment or know enough to begin with" ...... be careful there HJ.

    A berk mixed flow pump will not move a heavy 40' boat worth shit. Maybe 4 of them, but one large Hamilton powered by a diesel engine will out perform them.

    Quote Originally Posted by GT Jets View Post
    The Hamilton/Kodiak type pumps are used on heavier boats all of the time, they move way more water with slightly lower exit velocities which allows them to run lower pressures, very efficient, definitely the way to go for something heavy IMO.

    GT
    Exactly, the Hamiltons for large boat's are the only way to go, (Axial Flow ) pumps I think (?) Berks,AT, Legend (mixed flow) ? The large Hamiltons for a 40' boat is the only way, what's the name of that pump Kamamawaya (sp) something like that, it's of the same type.

    I think I have the axial/mixed thing correct I could be 180* out, but I don't think so.

    Sleeper CP

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  13. #12
    ....like warm apple pie RaceFace's Avatar
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    Quote Originally Posted by Sleeper CP View Post
    Okay I'll be the one to say it " Do you have enough info to make that comment or know enough to begin with" ...... be careful there HJ.
    Amazing. No matter how many people say it, it just doesn't sink in.
    Race

  14. #13
    Just Me snoc653's Avatar
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    Quote Originally Posted by Sleeper CP View Post
    Okay I'll be the one to say it " Do you have enough info to make that comment or know enough to begin with" ...... be careful there HJ.

    A berk mixed flow pump will not move a heavy 40' boat worth shit. Maybe 4 of them, but one large Hamilton powered by a diesel engine will out perform them.

    Sleeper CP
    He did say a typical fiberglass boat. If you think a heavy 40' boat is a typical glass boat you're in the wrong side of the forum, you should be in the off shore section.

    It also depends on which branch of the military is using the boat as to it's size and speed. There are a lot of smaller boats used in the military and there are jets on alot of the military equipment.

  15. #14
    "Try it Now!" Tahiti Boss21's Avatar
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    Quote Originally Posted by Tahiti Boss21 View Post
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    I posted this pic kind of as a joke..does he really have a 40' boat?

    I am just curious..SLEEPER CP, or anyone..what's the foot pedal looking thing on the photo of that hamilton drive i posted..is it a neutral lever or something?

    I found at one time a pic of a jet that was hughnormous..but now can't find it. I think it was for large yachts in reef areas.
    1992 Eliminator Daytona 21'

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