The seam could be thin enough that you didn't see it until the bottom
paint dried out and shrinkage of the paint revealed the seam. I don't
think the weight of the boat has anything to do with it. Although some
on the list figure they are okay as long as no water gets to the bidge,
the real issue is whether water ever touches the keel bolts. You don;t
want that to happen, so I recommend properly torquing the keelbolts,
grinding and filling the immediate seam area with thickened epoxy
(peanut butter consistency) and then wrapping the keel from about a foot
above to about a foot below the seam with several layers of fiberglass
bandage and epoxy. I did this over 10 years ago and it seems to be a
very permanent fix. I've even had a few soft groundings without issue.
My guess is that the bolts could now be removed and the epoxy/glass
bandage would hold the keel on by itself. I do not recommend testing
that theory, but I believe it is likely true.
In my case, the seam had been ground and filled with 5200 previously. I
removed that with a wire wheel chucked in my drill. That left a nice and
very rough surface for the epoxy mix I re-filled it with to mechanically
bond.
Bill Bina
On 12/20/2015 12:25 PM, Ainslie via CnC-List wrote:
I acquired ‘Spirit’ this past summer, so I’ve just gone through my first
haul-out. I examined the hull very carefully for blisters (none), and
checked the keel for the C&C smile- also none. When I went to check on
her this past week, I can now see a hair-line crack starting to appear
where I think the keel-stub is. My question is: did I just miss it on my
first inspection, or could this be a result of improper loading on the
cradle, ie: too much of the boat’s weight being supported on the keel?
If so, would it help to ratchet up the support pads to relieve the
weight somewhat? I’m going to talk to the yard guys this week, but it
would be good to have other owners’ thoughts. Thanks!
**
*Jason Ainslie*
*1984 C&C 35 Mk-III “Spirit”*
*Bayfield YC*
*Bluewater, Ontario*
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