18 Jul
2003
18 Jul
'03
11:27 a.m.
On Fri, 18 Jul 2003, Mark Firestone wrote:
I always wondered how they hooked up wiring to things
that rotate, like
helicopter blades. With brushes?
by periodically running it in reverse to untwist the wires?
>I'm trying to put a push-to-talk switch on the
steering wheel of my
>car so I can key the 2-meter ham radio while keeping both hands
>on the wheel. I've got a little boom mic and have built an interface
>box, but how to mount the switch has me stumped.
disconnect the horn and use its button