Association Forum - Forward Port Bulkhead Replacement

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Forward Port Bulkhead Replacement

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abraxis
1st Mate

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USA
49 Posts

Initially Posted - 04/13/2007 : 11:08:25

As many of you are probably aware, the forward bulkheads are prone to rot due to leakage from above. The stbd. one should be no problem, however the port fits into the compression post and I'm not to sure on how to remove the post or (twist) it around to allow the bulkhead to be removed. I took off the mast step plate and found nothing securing the
deck to the post.
Tried applying slight pressure to cabin top @ post to loosen it. Did not seem to want to move. Found from experience that its a bad move to force what your not sure of.
I would appreciate any info. from all of you who have replaced these ornery critters. I'll be hauling out for the summer in a couple of weeks (in FLA for the winter) then heading North. Want to replace bulkheads before I leave. Thanks.

ABRAXIS

Edited by - on

saribella
Captain

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USA
286 Posts

Response Posted - 04/13/2007 : 12:38:49

I have photos, it is rather easy. First you have to remove the wood plugs in the compression post top and bottom to expose the screw heads. Remove the screws. Get a jack of some sort, and a 3'5" 2x4. board. Place the jack on something other than the cabin sole (18" 2x12) as close to aft as possible of the copression post with the 2x4 in the lift slot of the jack to the top of the cabin. SLOWLY Increase hieght, and increase preassure JUST until the compression post can be pushed to STARBOARD and then will fall out.

Here are the photos.

Let me know if you need any more information.

http://picasaweb.google.com/Capri355/Work32507

Edited by - saribella on 04/13/2007 12:50:46

Simonw
Deckhand

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USA
8 Posts

Response Posted - 04/13/2007 : 12:55:50

As I have mentioned before I am aquiring another Capri. I have to do both bulkheads right away. I recall from Yahoo Group a discussion on other than marine ply for these.
Question: What Non marine ply has anyone actually used and what were the plusses and minuses. I was contemplating "Starboard" as a water resistant material and in line with minimal maintenance. This boat will probably used for instruction and charter therefore need for minimum problems down the road.

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saribella
Captain

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USA
286 Posts

Response Posted - 04/14/2007 : 07:47:49

There also a sandwiched material that is aluminum honeycomb faced with fiberglass made by plascor that is $247.00 per 4x8' sheet. They can cut it if they have a template.

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abraxis
1st Mate

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USA
49 Posts

Response Posted - 04/15/2007 : 17:50:36

Matt, thanks for the great pics and advice. you mentioned removing the plugs and screws on the post. As far as I can tell they only sandwich the Teak onto a center post beneath the Teak and should not cause a problem w / removing the post. Am I missing something here?

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saribella
Captain

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USA
286 Posts

Response Posted - 04/15/2007 : 21:25:17

Regarding the sandwich material, I was speaking in terms of replacement alternative material to using plywood.

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Simonw
Deckhand

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USA
8 Posts

Response Posted - 04/16/2007 : 13:03:06

Thanks Matt. I was really trying to see whether anyone had actually done this and what were plusses and minuses!

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jdkphoenix
Deckhand

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USA
2 Posts

Response Posted - 04/27/2007 : 14:16:43

Well, I'm in the midst of replacing both bulkheads.

A good answer to the alternative materials question can be found in the WEST SYSTEM epoxy site. Their magazine EPOXYWORKS Number 20, Fall 2002 has a very good article on an epoxy/fiberglass composite called "G-10" that WEST recommended as a replacement for plywood.

I've decided on a furniture grade birch to replace the marine mahogany. The flaw with the originals was neglecting to seal the end grain. I plan to use WEST epoxy to coat the whole bulkhead, and especially the end grain.

I'm going a bit further than just replacement. I found indications of the hull / liner bonding tabs letting go in the "bulkhead area". The plan is to glass the replacement bulkheads to the hull on the sides and reinforce the liner / hull tabs around the lower semi-diameter. I used a rotozip router to make windows in the liner for access. The EPOXYWORKS article closely approximates what I'm prepared for in the next phase of the project.

Hope to be ready to splash next month.

Edited by - on

joearcht
Navigator

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USA
241 Posts

Response Posted - 04/28/2007 : 17:23:13

I removed my mast compression post several months ago. What I found was 3 screws at the base (behind the plugs) run diagonally into the hull liner. At the top was three screws also. I only removed two screws at the top then used a rubber hammer to unseat the post at the base. I found the third screw after remove the post. It was on the forward side of the post and is hidden beneath a supplemental support piece that is screwed to the forward side of the post. I have the whole thing on my workbench now stripping and re-finishing. If you would like some pictures posted let me know.

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abraxis
1st Mate

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USA
49 Posts

Response Posted - 05/08/2007 : 15:40:31

Joe,
I would appreciate the pictures.
The ones that I recieved from Matt are very helpful hope yours will show the deal
with the plugs.

Edited by - on

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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.