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Daggerboard Repair

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Rupert View Drop Down
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 06 at 4:01pm
Not really planning on mending that, are you?! I'd have said that ranked as a "ring insurance company" moment...
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BBSCFaithfull View Drop Down
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Post Options Post Options   Quote BBSCFaithfull Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 06 at 8:21pm
Umm i believe that redback hit a submerged piece of concrete in the 400 at a high planing speed  . Old drivers lol
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Quagers View Drop Down
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Post Options Post Options   Quote Quagers Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 06 at 12:21pm

Ive chipped the trailing corner of my laser daggerboard, these not much damage but its scratching my boat when i lift it out, i was thinking that all i need to do is sand it smooth but is there a way i could rebuilt the shape,   im not sure filler would work because its not a hole and could just come straight off.

not my daggerboard just showing where the damage is

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Matt Jackson View Drop Down
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Post Options Post Options   Quote Matt Jackson Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 06 at 12:54pm

I repaired a similar ding for a friend not so long ago but it was more like a bite out of the trailing edge and I had the pieced that came out. I drilled a couple of holes and epoxied in some stainless screws which I had removed the heads and filed smooth (in case the repair fell out leaving the screws behind).

I then bonded the new bit back on and filled in any gaps with epoxy, Coloidal silica and glass bubbles, sanded it smooth and put a really thing layer of gelcoat over the top to get a nice finish.

If you don't have the bit that's missing tape some plastic sheet to one side and build up the shape with epoxy, coloidal silica + glass bubbles. Let it set, remove the sheet and fill any holes etc with gelcoat filler. You could just use just gelcoat filler if the area is small and this will give you a 'sacrificial' tip which will fail before the daggerboard case if you hit something. You will have to replace it often though if you throw your board into the boat every time you come ashore.

See below for suggestions as to why this is the wrong thing to do and the correct way to do it any time now

 

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Quagers View Drop Down
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Post Options Post Options   Quote Quagers Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 06 at 1:42pm
lol, thanks for the advice, the damage is pretty small and im not sersiosly racing so i'll probably just sand then gel coat it, just wanted to see what options i had.
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 06 at 4:55pm
Originally posted by Matt Jackson

...and build up the shape with epoxy, coloidal silica + glass bubbles.


I'd have a reasonable percentage of microfibres in the mix for more strength and a bit of flexibility. With just Silica and bubble it might be a bit more brittle than ideal.
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Matt Jackson View Drop Down
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Post Options Post Options   Quote Matt Jackson Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 06 at 5:22pm
You're right of course Jim.
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