At 11:32 PM 9/28/2005 -0400, you wrote:
>I dont know if this has occurred to anyone, but it would seem to me that if
>you can generate a heat differential use a large Peltier junction with the
>water flowing across the bottom and the sun beating down on the top... Why
>not? No moving parts.. But thats probably aside from the matter.
>  andrew

I have seen electric fans that fit in a chimney pipe that operate by this
principle.

Horrible efficiency, AFAIUI, but it works.

>Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com
->> Inexpensive test equipment & parts http://search.ebay.com/_W0QQsassZspeff


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