Answer Andy Hamilton

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Posted by Bengt Blomberg on December 20, 2000 at 16:57:29:

Hello Andy.
Normally this old hull should have lost about 10% of its original
structural strength. Now the loss instead will be 25 - 30%. Those old
hulls are mostly as sturdy built that this does not matter especially
if it is a long keel one. If it has a fin keel, you can always check if
the aft end of the keel is pushing in the bottom by dry setting. If the
bottom is depressed more than 20 mm, you should try to reinforce the
hull on the inside in that area.
Regarding a proper repair, we have no plans for HYAB Centers in that area.
The nearest is New Zeeland if you are doing any long trips. However I don't
think it worth the cost of a repair in your case. In those cold waters just
sanding the blisters even each year and applying antifouling only will keep
her going for another decade. It is mostly only the hulls of 14 meter and up
which becomes severe problems.
Regards Bengt

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