In article >,
spare-me-spam > wrote:
> >>> Seems like an intelligently controlled electric fan would be a
> >>> better design, no?
> >>
> >> Or a progressively driven mechanical one which idles when not
> >> needed...

> err, but it DOES do just that.....

;-)

--
*Those who live by the sword get shot by those who don't.

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