"Morris Dovey" wrote in message
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Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/

That's a very clean-looking installation. When we had a home in
Fort Wayne, IN, I built a 4 X 8' panel and placed it outside my
workshop. It was just an experimental thing, so I didn't do much
in the way of a permanent installation. The panel introduced air
at the outside top of the panel, where it flowed down a corrugated
aluminum separator to the bottom, then back up the backside, where
there was a thermostat and small blower. The panel was piped into
the top of a double hung window, which was opened about 6", with a
plywood header inserted and two ducts running to the panel: air
in and air out.

My concern was that without the forced air and NONsyphon-type
system, I'd be losing heat when there was no sunshine. Is that a
problem or issue with your installation? Have you considered some
type of free-swinging dampers on the intakes to prevent
counterflow. Is there counterflow at night?

My next door neighbor told me that the coating of the aluminum
separator should be on both the front and back: the best
collector is also the best emitter. He also reminded me that IR
is just another frequency and that a half wavelength antenna is
what I want. I don't recall exactly, but 4 mils on both sides
rings a bell. What do you do for the coating, coating thickness
etc?


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Nonny

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