We have the same boat, same year. The structural board replaces the rotted core and extends beyond the rotted core to good core with and end-to-end splice (equal bevels). I use west systems epoxy. Contour above with an epoxy layups of fiberglass to get the shape of the deck that existed before. As mentioned earlier, save the fiberglass laminate cut away section for ease of refinishing.
The stainless steel tabs (an angle bracket), hidden above the headliner, provide a direct connection from the Coosa board to the bulkhead. That way the board doesn't rely on the teak cabin arch to support the mast step, but instead extends a little way over the bulkhead. The length of the angle brackets will be trial and error because I don't know how far the bulkhead extends above the headliner piece. And something else the new board will do is allow you to use the mast step bracket screws (4) to bite into the new board with assurance. No crushing of the core from tightening of the fasteners. All of this work would replicate a factory look meaning no repairs apparent.... if your saw doesn't go too far! Bill Dakin S/V Tapestry 25-2 On Thu, Jun 21, 2018 at 5:45 AM, alexander rankin via CnC-List < cnc-list@cnc-list.com> wrote: > I believe the root of my problem is what is being discussed here. I > haven’t tracked the source of my water leak but the water in bilge is > brownish and there are brown dried watermark trails on the fiberglass > behind the settee cushions. The mast step sounds like the likely culprit. > > I bought the boat last year. Being a 1981 I expected there would be some > problems. The PO let the water leak damage the main bulkhead. The rot has > almost reached the chain plates so I was trying to come up with a better > design and had been thinking of using Coosa for either the bulkhead or at > least the portion under the mast step (the entire bulkhead needs replacing) > > Sounds like I can now add a repair to the mast step to my list! > > Bill, you seem to have thoughts similar to mine on the support under the > mast step. Could you elaborate a bit. I’m not sure exactly how you were > thinking of using the stainless in the repair? > > > > > >
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