Posted by Bengt Blomberg on March 14, 2002 at 13:43:52:
In Reply to: Wet GRP hulls posted by Simon on March 13, 2002 at 01:06:32:
In order to advise you in this case some small test holes must be drilled into at least 3/4 of the laminate thickness in the lower edge of the areas with the highest reqadings. Then it can be measured how deep in the laminate acids have formed and if there are fluid filled de-laminations already. This is the ONLY safe way to answer your questions. If the owner refuses to allow drilling, DON'T BUY THE BOAT!! If he allows it, e-mail me and I will give you forther instructions.
: I have had a hull measured for water content and it has registered off the scale over a lot of its underwater sections. The yacht is old (28 years) and has minimal bubbles 2 or 3 20mm dia. The hull sounded with a small hammer has only picked up a couple of suspect area.
: Some larger blisters were fixed some years ago and cut out and filled.
: What is the prognosis for such a hull with respect to strength, osmosis in the future?
: Should I dismiss the yacht as far as puchase goes?
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