Tuesday, May 20, 2008

Solar Furnace Do It Yourself - With Sound



thanks! it's only a humble device, but IT WORKS.

Even on cold days with temps in the -15 centigrade range, under intermittant to full sunlight (about four hours a day), it produces a constant stream of warm air (25 degrees centigrade, or higher).

http://fame.drobicho.com/solarfurnace/

1 comment:

admin@drobicho.com said...

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