[Lowfer] Motor Driven VC

[Jay Rusgrove]

Bill

Don't you want the receiver running while you're remotely tuning the variable so
you can tune for max signal? Perhaps I'm missing something here...

Jay

Bill Ashlock wrote:

> Pete,
>
> Your
>
> >tight fitting rubber type tube connection
>
> idea is a good one!
>
> The gear motors arrived today and it looks like the rubber tube
> coupling/clutch will work nicely. The tubing also makes an effective
> coupling able to handle the change in the shaft length of the trimmer cap. I
> added a small adjustable hose clamp on the motor end and this makes the slip
> resistance a variable.
>
> The gear motors appear to be of high quality and work to expectations on the
> bench with a variable power supply. The first loop tuning box is only 2" X
> 4" x 1" with an F connector and two banana connectors for connection to the
> loop. The voltage for the motor will be fed on the RG-59 lead-in. I plan to
> use two double-pole push-buttons in a box at the receiver that will
> disconnect the receiver from the lead-in and apply either a plus or a minus
> voltage to the motor (connected in series with the secondary of the loop
> coupling tranformer).
>
> Bill
>
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