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expensive circuit breakers rather than cheap fuses - must be
something I'm missing. Fortunately, we have the right to make
the choice that suits our preferences (and pocket book).
Ed
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com <mailto:eanderson@carolina.rr.com>
Have you considered just using foam itself as the duct (w/o the glass)? Rumor has it that Jim Bede's latest cash extractor uses solid foam control surfaces.
Charlie
Not certain, I understand what you have in mind, Charlie. I fiberglass the outside of the duct and then shape the interior foam core to give me the shape I want, then I put a protective coating of resin over that foam. If you left the foam walls thick enough, I suppose you could just use foam, but near the inlet my foam layer decreases until it meets the fiberglass. I don't think the foam alone would be strong enough at that end.
Or perhaps you have something different in mind.
Ed A
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