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post #8 of Old 04-25-2012
Barquito's Avatar
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Re: Solar chimney

What exactly is it the great lake sailors need COLD water for???
I thought they already had surplus of that.
We just need to get all the ingredients in the right place. Toward the end of August, the air temp may be 90F with no wind, and the water temp... not 90F. A bit like geothermal heating. Just need to drop a tube unto the water and figure out how to passively get cool water to flow up to a heat exchanger in the smoldering hot cabin.

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