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post #2 of Old 11-18-2012
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Re: Home made rudder for Catalina 22

Looks pretty good Guillermo.

You mentioned that your new rudder seemed more buoyant than the original. There may be some hunks of metal in the lower core of the original that helps keep it more at neutral buoyancy. Maybe not. Maybe they just coated the core with a thicker covering of resin.

Did you use any glass cloth to cover your plywood core with the epoxy? I would suggest a minimum of one coat of cloth encased in resin, the more the better.

I say this because plywood, even "marine" plywood is a poor choice of building material for anywhere under the water line. Yes, I know that Catalina probably used it for the original but it is still a poor choice because as soon as it gets wet it will start to de-laminate and rot. Hence, the thick outer coating is necessary.

If you take your nicely made new rudder out of the water when you are not using the boat it should help keep it dry.

"The cure for anything is salt water~ sweat, tears, or the sea." ~Isak Denesen

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