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Re: building a parabolic with mirrors.
I need to mod this sterling engine kit I have so it does not use plastic parts.
anyone know where you can get a block of copper say 12 X 12 X 2
I was thinking of milling it out to use as heat exchanger to make steam when I build a larger one using 12 inch X 12 inch mirros.
Last edited by SolarFreak; 08-05-2006 at 01:50 AM..
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