42 M/Y Build - Questions

Discussion in 'Boatbuilding' started by Scarab, Sep 6, 2014.

  1. groper
    Joined: Jun 2011
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    groper Senior Member

    And then retire on the international space station as a private residence. ..
     
  2. Mr Efficiency
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    Mr Efficiency Senior Member

    Consensus seems to be, an appropriate name for this vessel is the M.V. Walter Mitty :D
     
  3. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    Oh, I don't know, there could be a number of routes for the name, maybe M/V "Final Anchorage"
     
  4. Westfield 11
    Joined: Apr 2008
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    Westfield 11 Senior Member

    It seems that your powering plan is based upon a perpetual motion machine. You do realize that has been proven impossible many times over many years? Something about basic cosmic physical laws like Conservation of Energy.........?

    Has North Carolina signed up for the Medicare expansion? If so perhaps you could talk to a doctor about your plans? He might be just the person to explain it all to and get his advice, maybe even help you with some of the problems that are keeping you from success. It's always easier if you have someone you can share things with. Good luck!
     
  5. WestVanHan
    Joined: Aug 2009
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    WestVanHan Not a Senior Member

    Hey scarab good luck with your build,nice looking vessel.

    Many topics on here about diesel electric. Nordhavn spent millions and gave up on it.

    If you want to do more than a few miles putting around the calm canals of Florida with no diesel,you're gonna need several tons of lead acid batteries. Or spend $50k on lithiums.

    Water cooled gen-set heads are about 90-92% efficient, the controllers about 98%,a bit of loss in wiring (say 0%) and the latest $$$$ water cooled synchro motors are about 95%.
    So multiply that up and you get 80- 84% efficiency.

    A marine gearbox is about 95-96% efficient. End. Of. Story.
     
  6. bpw
    Joined: May 2012
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    bpw Senior Member

    So just to be clear,

    The plan is to power the boat by dragging hydro-electric generators behind the boat?

    The generators are powered by the boat that is powered by the generators that are powered by the boat? Might what to think that through a bit more....
     
  7. Mr Efficiency
    Joined: Oct 2010
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    Mr Efficiency Senior Member

    I think the expression "dead in the water" covers the situation ! :rolleyes:
     
  8. whitepointer23

    whitepointer23 Previous Member

    He is seeking perpetual motion. Good luck with that.
     
  9. WestVanHan
    Joined: Aug 2009
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    WestVanHan Not a Senior Member

    Laugh all you want,I bought the rear end of an old dirt bike and put a couple generators on the chain.
    Wired into the battery pack,fit on the wife's Prius' trailer hitch and we now get an extra 25 mpg.


    Been noticing these black cars following us lately,but whatever.
     
  10. whitepointer23

    whitepointer23 Previous Member

    Thats not the 50 kilowatts the op is talking about.
     
  11. WestVanHan
    Joined: Aug 2009
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    WestVanHan Not a Senior Member

    Hooked another generator up last night,using it to power the ebay hydrogen generator,feed that into the engine.

    Now we're getting 150 mpg in town.
     
  12. waikikin
    Joined: Jan 2006
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    waikikin Senior Member

    It's all down hill from here.......... I get 200mpg......
     
  13. SamSam
    Joined: Feb 2005
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    Location: Coastal Georgia

    SamSam Senior Member

    Only 200 mpg? I took West's idea and hooked up 5 old dirt bikes along my back bumper plus a windmill on top. I believe I will soon be able to start selling electricity back to the power company.
     

  14. rwatson
    Joined: Aug 2007
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    Location: Tasmania,Australia

    rwatson Senior Member

    Ha - you guys do it so hard.

    I get free power from one of those water burning engines from YouTube.

    Before that I had to wrap miles of copper wire around my car to pull radio and TV power into an electric motor, but i could go further than 10 kilometers from the transmission towers.
     
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