Join Date: Feb 2000
Location: Annapolis, Md
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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.
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Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay