I cant find plans on a 75' or bigger help me design one

Discussion in 'Boat Design' started by Vallen, Jan 24, 2016.

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  1. PAR
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    PAR Yacht Designer/Builder

    Lottery winners don't have to learn basic communication skills or standard business practices.
     
  2. Stephen Ditmore
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    Stephen Ditmore Senior Member

  3. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    This will be a dronecraft carrier, Stephen.
     
  4. rasorinc
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    rasorinc Senior Member

    I smell a rat somewhere.
     
  5. Waterwitch
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    Waterwitch Senior Member

    From his previous posts the hull would be made of possibly a 3 inch laminate of pvc construction sheeting fused together with a heat gun and powered by a home made engine...
     
  6. WestVanHan
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    WestVanHan Not a Senior Member

    Wish I'd seen that before, I wouldn't have wasted my time trying to help
     
  7. CDBarry
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    CDBarry Senior Member

    Tell us a story of what you imagine to be a typical day on this boat. This is called a "mission scenario" and is a good first step to figuring out a statement of requirements. For example, does it involve setting crab pots or carrying passengers, or is it a pleasure craft?
     
  8. Stephen Ditmore
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    Stephen Ditmore Senior Member

    You're right, PAR, I failed to read through.

    Vallen, dude, you're better off starting way smaller. Find an existing boat you like and get your feet wet before you let your imagination run quite so wild. If you're still wanting to delve into design go to the books portion of this website and order Preliminary Design of Boats and Ships by Hamlin and/or Elements of Boat Strength by Dave Gerr.

    If all you need is a random platform on the water, pontoon boats have been one of the fastest selling types lately:
    https://www.boattest.com/result/?si...Pontoon Boat&manufacturer_ln=Any Manufacturer
    Or if you don't really intend to go much of anywhere:
    http://www.parker-marine.com/sam36page.html

    If you're serious about math and proportionality, take a look at:
    http://www.boatdesign.net/forums/boat-design/how-wide-should-method-proposed-12440.html

    Sometimes it works to decide what engine you want and choose or design a boat appropriate to the engine (esp. if you really are a mechanical engineer). This video is pretty heavy on the marketing pitch, but I think the engines from the Bombardier Motor Corporation really are interesting, as are the electric motors from the German company Torqeedo. Elco makes electric motors, too, if you'd rather buy American.

    If you're really determined to do a larger boat and you want to spec diesel, check out http://www.steyr-motors.com/marine-diesel-engines/2-4-and-6-cylinder/

    Once you've chosen an engine, you might want to download these spreadsheets from a Hawaiian naval architect and work up some numbers: http://www.hawaii-marine.com/templates/

    PVC will deteriorate and become brittle in sunlight. Not the right choice.
     
  9. Stephen Ditmore
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    Stephen Ditmore Senior Member

  10. Mr Efficiency
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    Mr Efficiency Senior Member

    Landing drones on a heaving deck sounds tricky. What does Plan B look like ?
     
  11. nzboy
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    nzboy Senior Member

    Our writer may well look at George Buehlers websites using plank on frame .People have been building using this method for centuries
     
  12. Rumars
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    Rumars Senior Member

    Oh come on this is really easy. Go buy some trawler the size you want, take the pilothouse and everything else off, put a nice clean straight deck on her and you have your drone carrier. Any respectable yard can do the work if you really have the money.

    Or even simpler go buy or charter the first motoryacht with a helicopter landing pad thats available in your area. No need to wait months. If you charter it even comes with a crew so you do not have to bother learning anything about boats. Just tell the captain where to and fork over the needed money.
     
  13. NavalSArtichoke
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    NavalSArtichoke Senior Member

    Or, you could buy one of these from the US Navy for a buck:

    [​IMG]

    Hurry, though! Supply is limited. Once these vessels are gone, they're gone for good!
     
  14. kerosene
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    kerosene Senior Member

    I didn't know the rep points could go negative. Well deserved here.
     

  15. Mr Efficiency
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    Mr Efficiency Senior Member

    A graduate of the Walter Mitty college, imo.
     
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