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Jon and V Boat Conversions & Modifications
1966 MirroCraft 3614 Project
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<blockquote data-quote="oakchas" data-source="post: 416378" data-attributes="member: 18746"><p>I don't know a lot. I'm learning as I go. </p><p></p><p>That said, I thought about using ipe wood for my transom. But, it's expensive and heavy. </p><p></p><p>Lowe's, where I work, sells treated lumber that is approved for contact with aluminum. </p><p></p><p>The original transom was un- treated pine or fir, and lasted 50 years. It was a 2 by 10 or 12 that was cut in the shape of a transom. I used the old one as a template for the replacement I cut out of a treated 2x12.</p><p></p><p>Do not use treated wood unless it specifically says it is approved for contact with aluminum. Most of it is NOT APPROVED. </p><p></p><p>Copper is used to treat most lumber for outdoor use. It will react with the aluminum in the boat and cause the aluminum to corrode horribly. If the wood has a green tint, it is probably treated with copper. </p><p></p><p>I don't know why you would want to glue together a transom? Plywood perhaps? That would give additional strength, I suppose, but the boat I'm doing is rated for a 40 hp motor, and the 2 by material was sufficient. </p><p></p><p>If I were going to use ply, I would use "glue lam" in nominal 2x whatever width and length you need. And I would use "old timer's" varnish on it. Do a search for the recipe for old timer's wood varnish on this site.</p><p></p><p>These are only my opinions, as I said, I don't know much, but I'll share what I think and learn as I'm learning and thinking. </p><p></p><p>Good luck!</p></blockquote><p></p>
[QUOTE="oakchas, post: 416378, member: 18746"] I don't know a lot. I'm learning as I go. That said, I thought about using ipe wood for my transom. But, it's expensive and heavy. Lowe's, where I work, sells treated lumber that is approved for contact with aluminum. The original transom was un- treated pine or fir, and lasted 50 years. It was a 2 by 10 or 12 that was cut in the shape of a transom. I used the old one as a template for the replacement I cut out of a treated 2x12. Do not use treated wood unless it specifically says it is approved for contact with aluminum. Most of it is NOT APPROVED. Copper is used to treat most lumber for outdoor use. It will react with the aluminum in the boat and cause the aluminum to corrode horribly. If the wood has a green tint, it is probably treated with copper. I don't know why you would want to glue together a transom? Plywood perhaps? That would give additional strength, I suppose, but the boat I'm doing is rated for a 40 hp motor, and the 2 by material was sufficient. If I were going to use ply, I would use "glue lam" in nominal 2x whatever width and length you need. And I would use "old timer's" varnish on it. Do a search for the recipe for old timer's wood varnish on this site. These are only my opinions, as I said, I don't know much, but I'll share what I think and learn as I'm learning and thinking. Good luck! [/QUOTE]
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Jon and V Boat Conversions & Modifications
1966 MirroCraft 3614 Project
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