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jm
Captain

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Canada
290 Posts
Initially Posted - 04/26/2002 :  11:42:29  Show Profile
Does anyone have a quick link to an article on how to fix/fill the smile ?




Edited by - jm on 09/10/2002 14:20:36
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Douglas
Master Marine Consultant

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1595 Posts
Response Posted - 04/26/2002 :  12:33:26  Show Profile  Visit Douglas's Homepage
Your boat must be 1982 or prior. You can get an idea of how Catalina faired the keel to the hull in the pictures I posted in the general forum. I put a bunch of pictures up on bottom rework and barrier coat. Filling the area as you describe sounds about right but I would be concerned about being sure all the moisture from inside the keel was out before sealing it. One question to ask yourself is why is there a crack there to start with ? Have a close look at the condition of you keel bolts. How much rust is there ? Do you get any water in the bildge when your in the water ? In the bottom of the hull and bildge where the keel attaches Catalina used a lateral section of plywood. This is sandwiched between the keel and keel bolts covered by a thick layer of glass. Some boats have had water enter the plywood causing rot. If this occurs drilling into the area from the bildge will be required. Apply heat (Heat Lamp) to the bildge area to dry out the wood and rot. Treat the area and soak the wood with Rot Doctor. Epoxy the drilled holes closed after rework. You can have a look at the Rot Doctor site at www.rotdoctor.com
If you smile isn't to big you may just get away with a good inspection and seal it up.
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jm
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Canada
290 Posts
Response Posted - 04/26/2002 :  13:23:08  Show Profile
It is a 1982.. The smile/crack extends for almost half of the keel/hull contact, and appears to be a 1/16" fissure/crack on the starboard side only. Last year my bilge was as dry as a popcorn fart. But I did notice how your boat/keel was blocked in your pictures. The folks that lowered my boat onto the cradle this year, set it on its keel just aft of keel center (on a 6x6 wood block). I'm not sure if this position would put sufficient stress on the front of the keel/hull to create a separation (crack).

How aggressive should/can I be in 'grinding it' down/out ? Would one of those 40grit sanding/striping discs in an electric drill do the job ?
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Douglas
Master Marine Consultant

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1595 Posts
Response Posted - 04/26/2002 :  17:27:54  Show Profile  Visit Douglas's Homepage
If it were my boat and there was no problem with the keel bolts visable in the bildge I would put a heater or heat lamp on the keel and keel to hull joint to dry it out. I would take the bottom paint of localy and only remove eough material to expose a clean gel coat or glass. Removing as little material as possable to clean paint or debris from the crack. Fill the crack with a two part epoxy filler or fairing material. Let it set up for a day or two. Paint with a pint of good two part epoxy paint perhaps 2 or three coats. Re apply the bottom paint and check it the next time you haul out. If the condition gets worse look into a bigger fix. If not then your done and have made a good job of it. Ill let you in on a secret. I had a smaile on my boat the first time I hauled out when I bought it 6 years ago and the above fix has done well by me. I have had no reoccurance or the smile.
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Daniel
1st Mate

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78 Posts
Response Posted - 04/26/2002 :  19:17:58  Show Profile
I believe Catalina has provided directions including a drawing on the repair - I think I have a copy somewhere. You might try contacting them for the information.
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tinob
Master Marine Consultant

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USA
1883 Posts
Response Posted - 04/27/2002 :  09:02:39  Show Profile
Mornin,
In addition to what has been said I'd want to be sure to speak to the person responsible for setting your boat on a block that didn't rest the weight of the boat evenly on the total keel surface. What were they thinking?
If I understand your description correctly the crack (smile) extends from the leading edge of the keel to the point at which the blocking began to support the boats weight. If that be the case then ,YES, the smile was caused by the manner in which the boat was handled.

Val on "CALISTA" #3936 '83 Tall, Wing.

Val Bisagni
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.