Dennis,
What should you think using some old stepper motors from shugar 7 inch FD we
called that the washing machines. That old stuff is very reliable but need
some hard and soft adaption
The way I should do it, but I cant find the vacuum caps.....
Good luck 73's
Jos on4kj
----- Original Message -----
From: "Dennis Ashworth" <K7FL@arrl.net>
To: <towertalk@contesting.com>
Sent: Saturday, July 26, 2003 6:14 PM
Subject: [TowerTalk] Motor drives for vacuum caps
>
> Has anyone discovered a reliable scheme for remote adjustment of vacuum
> variables? I have two antennas with vacuum variables at the base and would
> very much like to tweak them from the shack. I'd need the ability to
> reverse direction and ensure I didn't go beyond the acceptable travel of
> the capacitor (maybe some limit switch or turn counter arrangement?). I'd
> prefer to stay away from LED/encoder wheels, etc in my high RF
environment,
> but that may ultimately prove the best solution.
>
> Ideas welcome!
>
> Thanks,
> Dennis, K7FL
>
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