Rotatable boat formwork - any ideas?

Discussion in 'Fiberglass and Composite Boat Building' started by rwatson, Apr 13, 2008.

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

    rwatson Senior Member

    I am trying to settle on a design for a framework to build my 28footer on, so that I can rotate the hull on demand for laying up fibreglass, painting etc.

    Has anyone seen or built something like this before ?
     
  2. Landlubber
    Joined: Jun 2007
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    Location: Brisbane

    Landlubber Senior Member

    Two ring frames made out of steel tube with a locking device work well, many have been built doing this sort of thing
     
  3. sal's Dad
    Joined: Apr 2005
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    Location: New England

    sal's Dad Atkin/Bolger fan

    Sure, a boat rotisserie is real convenient.

    The only complicated part is the bracket to secure the stem and transom to the "axle". It was easy for me, with a welded aluminum 20', just hang the whole thing from two come-alongs.

    A friend in Maine built a wooden 34 footer on a rotisserie. As I recall, his wife made him use a floor-mounted rig, rather than hanging it from the ceiling joists, as they lived above the shop.
     
  4. rwatson
    Joined: Aug 2007
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    Location: Tasmania,Australia

    rwatson Senior Member

    The rotating bit (whatever i end up using) would be great to be on a trailer. I imagine i will need to have some sort of stabilizing legs for levelness as well as stability if I build on some sort of wheeled platform.
    The need for a trailer is to be able to cart the boat around to tradespeople for painting, electrical, eviction from sheds etc etc
     
  5. CTMD
    Joined: Dec 2007
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    Location: Melbourne, Aus

    CTMD Naval Architect

    Something like this?
     

    Attached Files:


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

    rwatson Senior Member

    Hi Chris
    Thanks for the picture - that helps a lot.
    I can see that that is a mould, but the principle looks great. I will need access to the hull exterior of course, but if I hung an internal space frame girder off the top of the "circle", I would get the result I needed.
    Many Thanks
     
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