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Catalina 25 Specific Forum

building swing keel cradle

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cat78
1st Mate

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34 Posts

Initially Posted - 09/03/2010 : 14:30:23

I am going to have to lower my swing keel and leave it disconnect from the boat while I repair the box and rework the keel mounts. Has anyone built a cradle and if so is there any advice. Please no thought on how to lower the keel I have that planned out. Pictures would be nice if you have them.

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Leon Sisson
Master Marine Consultant

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USA
1893 Posts

Response Posted - 09/03/2010 : 17:41:57

<center>Swing Keel Support Fixture</center><blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by cat78 I am going to have to lower my swing keel and leave it disconnect from the boat while I repair the box and rework the keel mounts. Has anyone built a cradle and if so is there any advice... Pictures would be nice if you have them.<hr height="1" noshade id="quote"></blockquote id="quote">When I had my C-25 swing keel out for refurb, I build a couple of parallel upright supports, sort of like inverted Pi symbols. I used 4x4 for the base & posts, with 3/4" plywood gussets and 2x4 diagonal braces, all glued & screwed. I attached the 2x4 diagonals low enough to bear on the floor, adding stability. I don't recall any tendency for the supports to fall over with the weight of the keel on them. Just 2x4s w/larger plywood gussets would probably work too. The clearance between the uprights for the keel thickness was about 3" fwd. and 6" aft, as the keel is tapered bottom-heavy. As you can see in the photo, the fwd support needed an additional shim to hold the head of the keel off the floor.<center>

</center><blockquote id="quote">quote:<hr height="1" noshade id="quote">Please no thought on how to lower the keel I have that planned out.<hr height="1" noshade id="quote"></blockquote id="quote">I'm curious to know what you've got in mind there.

-- Leon Sisson

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 09/03/2010 : 18:25:01

I used 2X4 uprights and diagonals and 4X4 bases. As long as the keel is held close to vertical the lateral loads are not high. You could also add longitudinals to box it if you want to put casters under it - just be sure that it is wider than it is tall.

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