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Thread: Making your own mast hoops

  1. #1
    Join Date
    Feb 2001
    Location
    Seattle, WA USA
    Posts
    8,970

    Default Making your own mast hoops

    Same guy as earlier has this little design for a jig for making epoxy laminate mast hoops.

    http://www-personal.umich.edu/~mrwiz...es/hoops01.pdf

    I like it. The jig is made from HDPE so epoxy won't stick to it.
    You would not enjoy Nietzsche, sir. He is fundamentally unsound. — P.G. Wodehouse (Carry On, Jeeves)

  2. #2
    Join Date
    Feb 2000
    Location
    San Francisco Bay
    Posts
    9,676

    Default Re: Making your own mast hoops

    Cute, but it sure seems like overkill. What's wrong with gluing them up around a piece of PVC pipe wrapped in Saran wrap? LOL

  3. #3
    Join Date
    Apr 1999
    Location
    Charlottetown, PEI, Canada
    Posts
    137

    Default Re: Making your own mast hoops

    Cut a hole in a piece of plywood sized to the outside diameter of your hoop with a notch for the tip of a pair of vice grips. Steam the wood and wind it into the hole, grab it with your vicegrips to remove it from the form and rivet it. I saw it done at the Fisheries Museum in Lunenberg in Nova Scotia by boat builder Cliff Swicker.

  4. #4
    Join Date
    Mar 2006
    Location
    NZ
    Posts
    191

    Default Re: Making your own mast hoops

    Its a nice jig but really when you're on a job , you're on a job. Making hoops you want to wind up 5 or 8 at a time or at least , thats what I did.

    I used pvc pipe with some thin battens on the outside to pack up to the required diameter, then the plastic wrap as Bob says.
    One thing I found handy ( I used a proprietry furniture timber edging veneer) was to use a plastic fir tree fastener through the first inch of the strip to give me something to haul against and compress the veneers against. When the hoops all dried I just knifed the fastener so they could be knocked off the form.The plastic head ( flat)stayed lost in the hoop.

    Even have a pic. , surprise. I made a wire hook tied to a concrete block to pull on some compression while I was cleaning up the excess before putting in a holding screw.( not clamp.. I think I used a screw so I had clean faces to get around for the cleanup now that I think about it.)

    I forgot about that first hoop.LOL. a nice long scarf/ feather for the start was important.
    Last edited by John Bertenshaw; 11-04-2007 at 02:30 PM.

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