Older Boats-How Long will they Last? - Page 8 - SailNet Community
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post #71 of 79 Old 11-29-2010
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My former Dyer Dink is still going strong at 81yrs old. I did a complete restoration on her 20 yrs ago. My Cal25 is still very sound at 43 and my San Juan is like new at 24.

My former Lightning had a date with a chainsaw because of severe neglect by her first owner. His answer to maintenance was to slap on another layer of glass. I spent a couple of years chasing rot between sailing seasons then gave up and scrapped her.
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post #72 of 79 Old 11-30-2010
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Have to say the Fiber Glass failing and falling apart theory dosn,t hold much water. My 1975 Westerly Centaur just passed her 5 year survey with no structural issues. Shes built to Loydds of London standards and the hull is I inch thick GRP. There are a few small skin blisters below the waterline and I may pop and fill them someday. As they are superficial I recon she,ll see me out and my son has already decided he wants her in the will. Any boat can give problems but the solidly built GRP ones will take a fair bit of abuse and keep going.
Regards Brian

The great appear great because you are on your knees. James Larkin, Irish Labour Movement.
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post #73 of 79 Old 11-30-2010
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Just thought of a couple of points to add.

Boats in the northeast sit on stands 6 months out of the year.
Boats sit in slips or on moorings 80% of the time
Boats rarely go out in 20+ kts

So, boats rarely see stress. Age and deterioration are probably bigger factors for most boats.
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post #74 of 79 Old 12-18-2010
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You, nor your offspring's offspring will see the day that this particular boat will collapse into a pile of glass and resin rubble. With minimal maintenance this boat should outlast anyone we know. If I am not mistaken, the USCG, as of several years ago, still had in operation a 1948 fiberglass boat. My brother recently sold his 1958 Pearson yawl to a young couple who sanded and painted the topsides, deck and house surface, installed new port lights and thru-hull fittings, replaced the wooden rudder with a fiberglass unit, restored the gasoline Atomic 4 and are now motoring about awaiting their new sails.
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post #75 of 79 Old 12-18-2010
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The fact is that no fiberglass boat has cracked in half and sunk. There is no record of a catastrophic failure of a fiberglass boat due to it's age. We simply do not know the "end-date" on a fiberglass boat's fiberglass.

Bad designs and building shortcuts along with poor workmanship would be my bigger concerns.

But it's fun to watch the know-it-alls go at it!


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post #76 of 79 Old 12-18-2010
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The fact is that no fiberglass boat has cracked in half and sunk. ...
Though we're not talking production cruisers.....


Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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post #77 of 79 Old 12-18-2010
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The fact is that no fiberglass boat has cracked in half and sunk. There is no record of a catastrophic failure of a fiberglass boat due to it's age. We simply do not know the "end-date" on a fiberglass boat's fiberglass.
Actually that is very far from the truth. About 10 years ago the marine insurance industry did a widely circulated study of older boats which had suffered catastrophic failures, and the report looked a wide range of failures including boats which had failures while simply sailing. There was a long list of case studies. These included failures of the hull adjacent to keel areas, and hull to deck joints as well as significantly greater impact damage than might otherwise be expected.

The report also included destructive testing of older boat hull panels and found that they were greatly reduced in strength from fatigue and poorer materials and lay-up techniques.

Jeff


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Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay
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post #78 of 79 Old 12-18-2010
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thanks faster i couldn't remember the race my 1966 wayfarer islander Bahama 24 is up to 5 inches thick and 1 inch solid decks. sister ships have sailed around the world the only issue i have is with the deck seal on my pop top leaked and PO didn't fix it so now small rotten spot however not structural just nuisance for now tarped and will fix it in the spring (didn't show on survey last spring)

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post #79 of 79 Old 12-18-2010
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reason for no slips in this day if many many fiberglass abandoned boats is just that-- wood would fall apart and sink. fiberglass just doesnt fall part on a dock for no reason.


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formosa 41, cruising tropics


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