Shadow Catcher wrote:They managed to keep PT boats together as well as Mosquito bombers and an uncle had a number of boats made of cut in half plywood aircraft gas drop tanks. It can be done but the plywood must be made properly, and what were they painted with?
Or were they, Today's plywood is composed of thin sheets of wood (of various dimensions), joined together by the generous use of glue. PT boat hulls were composed of double planked 1" mahogany fastened with monel screws. Sandwiched between the layers of mahogany planks was a layer (or ply) of canvas. Every other wooden feature on the PT boat was traditional plywood. If the hull had been plywood, as some mistakenly believe, the boat would have disintegrated from the pounding that the hull underwent while underway.
doug hodder wrote:Sorry to hear of your issues Mike. There's nothing worse than putting in a lot of time and effort into a project and have a problem with it down the road. It might be a real helpful bit of information to other builders if you could give us an idea on how long it was exposed to the elements, and what materials were used. Outdoor storage on an all wooden tear/boat that isn't covered is brutal! Unfortunately, when a blister starts to show...a lot of damage has already happened. Once some moisture gets in and with the mechanical breakdown of freeze/thaw cycles, which I'm sure you have...wood materials especially a ply product tend to get torn up quickly. Doug
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