Tartan 27' owner
Join Date: Jan 2008
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Re: C&C35-3 Hogging on its Keel?
First, welcome to SailNut.
The C&C mk 3 sailboat is a nice boat. A friend of mine recently bought a 1982 specimen in good condition for over $20k. He also had this boat surveyed by a marine surveyor for an additional $800 or so on top of the cost of buying out the previous owner. I'll suggest that you might consider doing the same (hiring a marine surveyor to look over this boat where it rests).
With that in mind I'd like to mention that SN member boatpoker is in fact a marine surveyor so his advice should be closely heeded.
Indeed the C&C 35' mk 3 hull is entirely made from cored laminates. This means that it is made with Balsa core material sandwiched between polyester laminates on both sides. What can happen is that water can enter the Balsa core which will weaken the sandwiched hull, or worse, result in a rotten Balsa layer. This will obviously destroy the rigidity of the hull material.
I will say that if this boat was put back in the water it is very likely that the hull would settle a bit, regaining it's more normal shape. However, if the hull is hogged as you suggest then it will likely flex wherever there are internal weaknesses. So, in rough waves the hull will likely continue to flex, eventually causing further failures in hull integrity.
How bad is it? Hard to know from where I sit, which is why I suggest you hire a surveyor to look at it to confirm or deny your worst fears. It might last quite a while under light usage; sailing around bays, harbors etc. I would not want to risk my neck on a boat with this kind of compromised hull doing coastal or ocean passages though.
Spend the $800- + on a surveyor BEFORE you plunk down $5k for this boat. It could save you $4000 or more. boatpoker suggests that to fix a cored hull like this that is compromised could cost up to $100k. I would assume that this is a realistic figure.
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