Re: A LEGO double-throw switch?

In lugnet.robotics, Steve Lane wrote:
>
> No, I think you should use one polarity switch, without handle to greatly reduce
> the friction needed to throw it. Putting the crate on the conveyor throws the
> switch, and when the crate gets to the other end it could push a lever, or
> better still use it's weight, to physically move a linkage that switches the
> original switch off. Like an old-fashioned railway signal box.
>
> The linkage could be made of long technic axles.

I agree the simplest solution is to use a single switch with one linkage
operated by the forklift to switch it on, and another linkage operated by the
falling crate, that switches it back off, ready for the forklift.

ROSCO