Association Forum - Bulkhead replacement

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Catalina/Capri 25/250 Sailor's Forums

Catalina 25 Specific Forum

Bulkhead replacement

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Stinkpotter
Master Marine Consultant

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Djibouti
9013 Posts

Response Posted - 04/30/2016 : 08:13:15

To those worrying about the security of the attachment of the upper shroud chainplate to the plywood bulkhead, I'll offer some observations:

1. Nobody here has reported (or heard of, to my knowledge) a chainplate ripping out of the bulkhead--or anything close to it. Correct me if I'm wrong... But I know some folks who have stressed-tested their aging C-25s in ways that made me cringe, with no problems there. (Now, if the plywood is rotten, bets are off.)

2. The force against the plywood is a shear-force--pulling straight upward so that it is transmitted to the whole bulkhead and from there to the cabintop. If something is going to let go, it might be more likely the hull-deck joint along that side. This has happened at the bow of some C-25s, where the older models don't have a chainplate stem fitting that includes a strap under the rub-rail and about 8" down the bow. (You can get that stem fitting from CD.) If you're still concerned, add a metal strap in place of the fender washers on the head side of the bulkhead. But when replacing the plywood, I'd make sure it's marine-grade so there are no voids in the inner plies. Furniture-grade can't be presumed to be solid throughout.

[ /soapbox ]

Dave Bristle
Association "Port Captain" for Mystic/Stonington CT
PO of 1985 C-25 SR/FK #5032 Passage, USCG "sixpack" (expired),
Now on Eastern 27 $+!nkp*+ Sarge

Pizza Party
Deckhand

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18 Posts

Response Posted - 04/30/2016 : 18:55:50

I successfully removed the bulkhead with a little more bend than I was at first comfortable with. I did need to remove the mast step bolts in order to sneak it out.

In the meantime while I am making my repairs, I am concerned about the boat loosing its shape without the bulkhead in place. I know this sounds dtastic but I know it is possible from other boats.

Bladeswell, did you put any temporary support in while you were making your replacement?

1983 TR FK Dinette C25 on Lake Superior

Bladeswell
Captain

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USA
490 Posts

Response Posted - 04/30/2016 : 19:53:59

Hi Again Pizza,

I knew you could do it. Good job. I did not use anything to support the coach roof while making my repairs. I don't think you will need to worry about roof sag for the short time you will probably have the bulk heads out. Good luck with your boat and I hope your repairs go well.

Bladeswell

C25 TR FK Hull #973 1979 L-Dinette. So.Cal.

Stinkpotter
Master Marine Consultant

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Djibouti
9013 Posts

Response Posted - 05/01/2016 : 07:42:58

It's starting to look like a C-250!

With the compression post in place and the rig not, I seriously doubt anything is going to change.