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Go Back   SailNet Community > On Board > Gear & Maintenance > C&C "smile", crack at the stub/keel joint... problem?
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Thread: C&C "smile", crack at the stub/keel joint... problem? Reply to Thread
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Topic Review (Newest First)
05-16-2012 01:39 AM
SloopJonB
Re: C&C "smile", crack at the stub/keel joint... problem?

Quote:
Originally Posted by SloopDogg View Post
When you say "checked out" what are you suggesting I do?
I meant checking to confirm that the keels were actually epoxied on (bedded with epoxy) rather than being bedded with 5200 or some such. I was relating a 35 or 40 year old memory of something I read - far from a guarantee that your keel IS mounted that way.

Is there an owners group for Ontario yachts for example?
05-15-2012 05:35 PM
dsmauney
C&C "smile", crack at the stub/keel joint... problem?

By what I saw on my keel when I dropped it and what Ed H and Maine Sail show in their great pictures the corrosion loss is inside the nuts above the bilge floor. The thickness of the bilge floor being indicated by the white 5200 on the threads. What this means of course is that the bolts can be inspected by removing the nuts while on the hard. Am I missing something here?

Good Winds
DaveM
05-15-2012 04:55 PM
SloopDogg
Re: C&C "smile", crack at the stub/keel joint... problem?

Thats exactly how it looks. The expoxy got flexed and let go and under it I can see what looks like caulk of sorts.

When you say "checked out" what are you suggesting I do?

I peeled away some more of the epoxy since the above photo. I'll take some more next time I'm down there.
05-15-2012 04:35 PM
SloopJonB
Re: C&C "smile", crack at the stub/keel joint... problem?

Quote:
Originally Posted by SloopDogg View Post
I have a smile on my Viking 33. The caulk joint behind it looks fine and it faired over. so the fairing is coming off.

I intend on torquing the bolts and possibly re-fairing

I've mentioned this before, but it bears repeating, given the circumstances.

IIRC, those Viking 33's had their keels epoxied on, not just sealed with flexible gunk of some sort. There was a story (Pacific Yachting??) back in the day about one that went on the rocks in Porlier Pass. Its keel got bent as a result and it had to be SAWN off.

You are very likely just suffering from some minor flexure, just enough to crack the filler in the seam.

It's worth checking out anyway.
05-15-2012 02:37 PM
SloopDogg
Re: C&C "smile", crack at the stub/keel joint... problem?

I have a smile on my Viking 33. The caulk joint behind it looks fine and it faired over. so the fairing is coming off.

I intend on torquing the bolts and possibly re-fairing

05-08-2012 07:14 PM
ahab211
C&C "smile", crack at the stub/keel joint... problem?

I had the same on my C&C 24 and used spot putty after tightening the bolts and some bottom paint and was good to go. Bolts looked good! More cosmetic unless corroded or damaged!
05-01-2012 09:13 AM
msmith10
Re: C&C "smile", crack at the stub/keel joint... problem?

I agree with Sloopjonb. This is an almost universal and usually cosmetic problem with C&Cs as well as other brands.
You MAY have keel bolt corrosion also but I'd say the two issues are no more linked than the fact that you may have a cracked swage fitting on your rigging.

Loosen keel bolts, clean out the crack, caulk and retorque. Or just caulk it and sail for this season.
05-01-2012 07:44 AM
Dog Ship
Re: C&C "smile", crack at the stub/keel joint... problem?

I don't see any bonding wires on those bolts.
The keel bolts on my C&C 32 are attached to the boats bonding system and the studs and nuts and backing plates are still shiny and new in appearance.
I would guess that the studs in the picture were destroyed by electrolysis rather than corrosion.
04-30-2012 09:25 PM
SloopJonB
Re: C&C "smile", crack at the stub/keel joint... problem?

Quote:
Originally Posted by peterchech View Post
You guys are scaring me...

I have to say though, the keel bolts are almost completely corrosion free in the sump, unlike in most of the examples of corroded keel bolts that I found online
As Aherlihy points out, it's the part going through the hull where the problem usually occurs, not the exposed area and nuts.

FYI though, the smile is commonplace - it's routinely called the C&C smile and the Catalina smile - seldom a serious problem.
04-30-2012 05:27 PM
Tanley
Re: C&C "smile", crack at the stub/keel joint... problem?

Peter, we had a similar issue when we bought our '87 Cal a couple of years ago.

Herlihy's post/advice convinced me drop the keel this past off season and have it re-bed. Although the bolts ended up being fine, the peace of mind in knowing it's OK was more than worth the cost and effort. After 25+ years, it's a maintenance item that need's to be done regardless.

Walk around a yard when the boats are on the hard and you'll see all types of cracks at the keel to hull joint. It's normal, but shouldn't be taken for granted.
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