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 Catalina 25 Specific Forum
 Balanced Rudder		  New Topic  Topic Locked
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Rocknoids
Deckhand

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2 Posts
Initially Posted - 10/08/2001 :  13:51:17  Show Profile
I need to replace my 1986 original rudder. I have plans for the balanced rudder, but I don't know if I have to (should) use 3/4" marine plywood doubled up to get the 1-1/2" thickness. What is to prevent the plywood from warpping and twisting? Does mari
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eric.werkowitz
Captain

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USA
283 Posts
Response Posted - 10/10/2001 :  18:53:15  Show Profile
Rocknoids(?),

I built a rudder the winter before last. I used what they now sell for 5/8' (really 19/32") exterior ply doubled. Should have used 3/4 and thickness planed it down a bit. Result was thinner than original rudder because the 'glass did n
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Brian G Smith
Deckhand

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Canada
4 Posts
Response Posted - 10/13/2001 :  08:36:47  Show Profile  Visit Brian G Smith's Homepage
Marine Plywood offers 2 things, more laminations and a more water resistant glue.
I have built the balanced rudder using 5/8" exterior plywood (fir) and it offers 85% of the strength of the marine plywood.

Your total build out thickness may vary but c
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.