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 Jib sheet car track needs rebedding		  New Topic  Reply to Topic
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Voyager
Master Marine Consultant

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USA
5320 Posts
Initially Posted - 05/19/2024 :  15:45:26  Show Profile  Reply with Quote
Of late, I’m noticing that my jib sheet car track along the deck-hull joint is leaking when it rains.

The track is an anodized aluminum track that’s mounted using maybe 30 screws that are screwed into the deck-hull joint. Rather than just pulling out my screwdriver and removing all the screws Willy-nilly, I thought that I’d ask here whether anyone has done this before, and what to expect?

It’s possible that the screws are actually bolts that have freely spinning nuts hidden in the recesses of the outer hull, or, they could be some kind of captive, or embedded nuts. Or they could be wood-screws (I doubt it), since fiberglass doesn’t take too kindly to wood-screws.

I assume that once I remove screws, I can pick up the the track. Then, I assume that I could just scrape away the old bedding, clean the surfaces with acetone, then reapply some polysulfide or butyl tape, and screw it back into place.

Anybody done that before? Any tips are greatly appreciated!
Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain — Milford, CT

Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 05/20/2024 :  17:12:41  Show Profile  Reply with Quote
Pearl has screws and nuts that I suppose could be loosely described as accessible the nuts on mine appear to be imbedded in some kind of mastic. I have been considering attacking that issue too.

Dave B. aboard Pearl
1982 TR/SK/Trad. #3399
Lake Erie/Florida Panhandle
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Voyager
Master Marine Consultant

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USA
5320 Posts
Response Posted - 05/23/2024 :  05:49:52  Show Profile  Reply with Quote
I appreciate your advice. I’m really trying to figure out whether (1) I can actually loosen the all the bolts without the nuts spinning down below, and (2) I can ever retighten them after I add bedding compound? The Hippocratic oath of sailboat repair should be “do no harm”. We all know how that works out sometimes!
Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain — Milford, CT
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islander
Master Marine Consultant

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USA
4012 Posts
Response Posted - 05/23/2024 :  13:25:08  Show Profile  Reply with Quote
I can actually loosen the all the bolts without the nuts spinning down below, and (2) I can ever retighten them after I add bedding compound?

Thats the scary part. You could try a non destructive way with a crack sealant like Captain Tolleys Creeping Crack Cure. I have never used it but its a penetrating copolymer sealant that works by capillary action. It takes a little time because multiple coats are needed. If you apply it to the tops of the screws it should work it way down inside. Worth a try and if it doesn't work then no harm outside of a few boat bucks spent.
Scott-"IMPULSE"87'C25/SR/WK/Din.#5688
Sailing out of Glen Cove,L.I Sound


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Voyager
Master Marine Consultant

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USA
5320 Posts
Response Posted - 05/23/2024 :  16:41:24  Show Profile  Reply with Quote
Scott, that’s a great idea. I had thought about putting a bead of polysulfide sealant along the bottom of the track, however that would interfere with the sliding gizmos (cleat and block). I thought that I could put some polysulfide in the screw holes, but that would be messy.
Captain Trolley’s might just do it! I’ll try it.
Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain — Milford, CT
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.