>> Just get a clutch (like the one in a car) that is controlled by a third >> shaft rather than your foot.> > Does Lego have a part like that? ;-)
http://www.brickengineer.com/pages/2007/11/27/smooth-lego-clutch/
> ...so instead of continuous rotational drive, you have continuous > reciprocating drive, basically?
Yes basically, otherwise as you stated you can't transfer any power.
