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Marine Plywood?
"Wm Watt" wrote in message oups.com... On Sep 12, 1:17 pm, "Toller" wrote: Rudder Cheeks eh? What is the piece between the cheeks called? Mine are 3/8" ply, routed down to 3/16" at the hardware. What did you put on them to waterproof them?- Paint. For the edges anything you have handy will do. They are not going to be under water. If I were doing it today I'd spread polyester resin along the edges where it can soak in to keep moisture from penetrating. Epoxy, polyurethane varnish, or even linseed oil if that's what you have at hand. I'd also smear polyester resin on any places which would chafe, for example if the tiller is inserted between the cheeks (I don't know what that's called), or the rudder rotates between the cheeks ("kick up" rudder) . Polyester is good for abraision resistance. I use it on my home built boats where parts might rub. I coated the inside of a dagger board trunk with it. Just the resin, no fibreglass reinforcement. Or epoxy if that's what you have. I have epoxy (and linseed oil and polyurethane varnish) but hesitate to use it since it is not UV stable. I have never used polyester, but have heard it doesn't adhear worth a damn. That is not your experience I take it? |
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