On Fri, 18 Feb 2005, Mike Hord wrote:

> Such designs a frequently found on "free energy" websites, usually with
> the "blades" designed as old propane tanks.
>
> Their efficiency is such that you would be better off using the solar energy
> to grow food, eating it, and riding a stationary bike with the calories from
> the digested food.  They are a cute trick, though.

Why are you saying that ? Remember the dipping bird trick that dips for 
half a day into a small vessel with 2 ounces of lukewarm water (the 
water cooling faster from heat loss to the environment than to the 
bird) ?

Peter
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