In article ,
Graham. wrote:
This one is pretty well a wind-driven electric motor:

A motor converts energy into motion of some sort. Have you thought this
one through?

You'd better mention that to the engineers at Dinorwig
http://www.fhc.co.uk/dinorwig.htm

Oh, a motor can become a generator. But then it's not a motor anymore.
Until the next time. And one of those is unlikely to be state of the art
efficiency wise.

--
*When cheese gets its picture taken, what does it say? *

Dave Plowman London SW
To e-mail, change noise into sound.