pontoon powered by sea doo ( jet ski )

Discussion in 'Boat Design' started by ericrunner, Sep 11, 2010.

  1. DCockey
    Joined: Oct 2009
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    DCockey Senior Member

    Very nice.

    How is the sea doo connected to the pontoon boat?

    I assume you have aligned the waterline of the sea doo with the waterline of the pontoon boat with normal load.

    I also assume you allowed clearance for the sea doo to pitch relative to the pontoon boat if large waves are encountered.
     
  2. Deering
    Joined: Feb 2005
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    Deering Senior Member

    Have you tested it out yet?
     
  3. ericrunner
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    ericrunner Junior Member

    today :)
     
  4. hoytedow
    Joined: Sep 2009
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    hoytedow Wood Butcher

    Congratulations. Good luck with it. :)
     
  5. ericrunner
    Joined: Sep 2010
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    ericrunner Junior Member

    works like a charm ;)

    [​IMG]
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  6. pistnbroke
    Joined: Jan 2009
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    Location: Noosa.Australia where god kissed the earth.

    pistnbroke I try

    does not seem to be moving in those photos ? looks fantastic
     
  7. ericrunner
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    ericrunner Junior Member

    I ran out of budget for the camera crew :p cruising speed 10 mph
     
  8. keysdisease
    Joined: Mar 2006
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    keysdisease Senior Member

    Far freaking out, awesome :D:D

    Looks like a lot of fun, great workmanship.

    Steve
     
  9. cor
    Joined: May 2008
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    cor Senior Member

    How do you control the steering and throtle?
     
  10. ericrunner
    Joined: Sep 2010
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    ericrunner Junior Member

    this whas the first prototype , it as evolved but you get the idea
    [​IMG]
    [​IMG]
     
  11. ericrunner
    Joined: Sep 2010
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    ericrunner Junior Member

  12. pistnbroke
    Joined: Jan 2009
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    Location: Noosa.Australia where god kissed the earth.

    pistnbroke I try

    looks great ..making good speed too ....now here is a question ..in Australia would you need a jetski licence to drive it and can you go into no jetski zone ??
     
  13. ericrunner
    Joined: Sep 2010
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    Location: Canada

    ericrunner Junior Member

    cant say ! I'm in Canada and a no jetski zone dosent exist around here ! I think you should move here :D
     
  14. wsvoboda
    Joined: Aug 2011
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    Location: California

    wsvoboda Junior Member

    That is a great job, I sure hope it floats with all that new design, that is a really great job. You can detach the Sae doo and use it as a rescue craft if needed.
     

  15. Mr Efficiency
    Joined: Oct 2010
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    Mr Efficiency Senior Member

    I'm no expert in jet-skis but I see a couple of possible problems, poor efficiency and overloading the engine by an inappropriate 'gearing'. Flogging over-propped outboards is bad news for engine longevity, whether a jet-drive is directly comparable I'm not sure, but if I had to guess, I'd say it was.
     
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