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Transom Replacement Coosa or Wood

Old 11-05-2021, 12:20 AM
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Default Transom Replacement Coosa or Wood

Having my transom replaced in my Baja 36 Outlaw. Coosa was suggested by my builder but I cannot find much on using it in a heavy performance boat. I'm concerned with strength vs plywood. Treated plywood is pretty much rot proof as well. What's everyone doing with the bigger boats?
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Old 11-05-2021, 01:33 AM
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This about says it all about Coosa. Also, who ever told you that, "Treated plywood is pretty much rot proof", is just wrong. Listen to your builder.......

https://coosacomposites.com/the-coosa-advantage/
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Old 11-05-2021, 08:25 AM
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I would not use Coosa in the transom. I used it everywhere else. I don't think it will handle the compressive loads near as good as wood.

Glassdave is probably the guy to ask, he has way more experience with the stuff.
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Old 11-05-2021, 07:35 PM
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Outerlimits has been using it for close to 20 years now. Worlds fastest vee bottom has a composite transom
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Old 11-05-2021, 07:47 PM
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Curious about what thats costing you if your willing to share
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Old 11-06-2021, 08:21 AM
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A PVC foam core, such as Divinycell is another option and has been proven in boat building. Pat @ Active Thunder uses this in his boats and the test boats that he builds for Mercury to use at their testing grounds.
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Old 11-06-2021, 09:45 AM
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How long did the wood transom last the first time?
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Old 11-06-2021, 02:26 PM
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So, it's like a lighter weight StarBoard? HDPE?
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Old 11-06-2021, 03:11 PM
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Starboard is nothing like Coosa.
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Old 11-09-2021, 12:06 AM
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Originally Posted by phragle View Post
How long did the wood transom last the first time?
Not long enough!
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