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Subject: RE: [world-cruising] Keel Bolt Repair
From: Baumgart, James (james.baumgart@XXX.XXX)
Date: Wed Feb 12 2003 - 18:40:51 EST
Thanks, I have been studying this very much over the last few days. What I
have learned is to use either Aquamet 22 or 316 stainless. The bolt should
be sealed with polyurethane at the bottom to keep it isolated from the iron
keel. After the job is done, the bolt head should be encapsulated with
resin (not epoxy or caulk) so that you can assure that no moisture gets to
the keel via the bolt. Yet the resin can be removed to allow future
inspection and tightening.
The holes are being bored and threaded today (perhaps tomorrow due to very
heavy rains today in Southern CA). Six 3/4" bolts will be inserted. These
will be torqued to about 350 ft/lbs. This is a more common repair than I
thought and Catalina makes a kit for it.
Hopefully the boat will be safe for another 25 years. I am requiring the
current owner to do this repair prior to my purchase. If the job is botched
I can still walk away.
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