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Date: August 16, 2000 at 22:45:18
From: Pjay, [ac87d46e.ipt.aol.com]
Subject: Re: Fiberglass enclosure characteristics....

I think what you really should be looking at is a kevlar on hexcel. I have a number of links at work but not here. There is a great supplier in Hawaii. Also, browse Aicraft Spuce and Specialty Co in Torrence, CA or TAP Plastics in CA. There are people who sell the hexcel already attached to the kevlar but that will leave you with assembly problems. The good news is that the preformed hexcel is firmer and has a better bond. I think the procedure is to make a mold and lay up the cloth on the assembled box. Then use an air bag to create the needed pressure. I friend tells me you need a LOT of pressure to get a really stiff board. He does it to build race car bulkheads.

If you use foam, locate the infamous "red" foam all the aircraft guys like. It has a much higher compression strength and will create a stiffer board. I would stay away from blue foam and resin fiberglass as I don't think you will ever generate the needed stiffness.

If I were looking at composites, I would look to the Corian plastics, They are really cool looking and have a better density.

P
"Iron Pyrite Ears"

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