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[ATM] Fiberglass Tube Fabrication

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Subject: [ATM] Fiberglass Tube Fabrication
From: "eheiny" <eheiny@yahoo.com>
Date: Tue, 19 Apr 2005 10:49:39 -0400
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Any fiberglass experts out there?  I'm looking to make my first fiberglass
telescope tube.  Any recommended bargain supply sources for resin or
fiberglass mat?  I've heard epoxy resin is better, but polyester resin seems
much cheaper.  Autozone has bondo polyester fiberglass resin for ~$20/gal.
Will it work OK if I use a high glass content (~35%)?  Will 18-24 oz woven
mat work well?  Any suggest on material amounts for a 16" dia X 72" long
tube?  How thick a wall do I need?  I want it stiff, but I also want to be
able to lift the OTA. All suggestions welcome.   
 
Ed 
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