14ft Fibreglass catamaran restoration. Bolt Rope pulling thru.

Discussion in 'Fiberglass and Composite Boat Building' started by BrissoDamo, Dec 27, 2019.

  1. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    I am using vinyl ester resin instead of epoxy saves stuffing about with 2 different products and is little cheaper cost wise. Here is like 35*c + in my shed so I am chilling the resin in ice before mixing it so I get time to lay it all down- Then I place it out in the sun under an iron sheet(got a temp reading 50*c) for 6hrs. Just finished the hulls today, will do the internal boxes and bulkheads the next couple of days.
     
  2. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    Finished the inside layups(still got stowage boxes and joint taping to do internally), have started to fit up the hulls to the decks- will use adheseal PU50 to stick them together (same as 5200 3m, but half the price). Doing dry run first to sight any marriage issues. Gives ewe' s a good look at the hull shape, bows are sharp vee-d round out in midboat then narrows down to the rear. Is the best looking/seaworthy cruising 14ft sailing cat I have seen, has 140 foot of sail area.
     

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  3. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    redesigned stay mounts- stronger, don't interfere with the locker lid and look a hell of a lot better then the originals as they mount inside the hull.
     

    Attached Files:

  4. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    remove old gelcoat - makita 9910 belt sander with 40grit.
     

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  5. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    put a torch inside the hull and mark out any cracks- grind them back to the inside skin and patch them with layers of csm. then coat it all and fair it up
     

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  6. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    the torch and marking out the grinds
     

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  7. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    faired up waiting for my safety yellow gelcoat to arrive-
     

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  8. BrissoDamo
    Joined: Dec 2019
    Posts: 49
    Likes: 7, Points: 8
    Location: Brisbane

    BrissoDamo Junior Member

    front on and side on after spray, sand and buff.
    I gave it a coat of white as a base then 3 coats of yellow, last one with 2% wax in styrene, thinned with 5% acetone and 3% styrene to retard the geltime as its 33*c here in the day and still 28*c at 10pm- trouble of spraying at night is insects landing in the wet gel. I spray it then turn out the lights. Had to touch up a couple of spots with bugs molded into it.

    Sanding, doing 2 passes at 90* to each other using a 125mm DA cordless sander- I start with 120 - 180-240-320-400-600-800 then 1000 sponge back- then med. compound, fine compound and then wax 3m marine. Looks good, got some more tweeks for the inside make it last on the trailer.
     

    Attached Files:

    Last edited: Mar 5, 2020
    fallguy likes this.
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