[ARC5] looking for an in tact BC-451 tx control box

[Dennis Monticelli]

One trick to deal with the backlash is to simply wrap some Teflon plumber's
tape around the shaft to take up the slack.  It's a quick fix and very easy
to remove if the results are not to your liking.

Personally, I prefer to make an adapter to couple the shaft to a nice large
knob of my choosing.  I make my adapters by drilling a precise diameter
hole through a section of plastic rod and then just push it on.

Dennis AE6C

On Wed, Dec 16, 2015 at 8:56 AM, WA5CAB--- via ARC5 <arc5 at mailman.qth.net>
wrote:

> Another quite usable local tuning knob is one of the plastic knobs that
> used to be common on AC-DC radios and the like.  The ones that were push-on
> onto the splined volume control posts.  These have no backlash.  The only
> drawback to them is appearance and usually the wierd color.
>
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>
> In a message dated 12/16/2015 10:46:50 AM Central Standard Time,
> kgordon2006 at frontier.com writes:
> > In addition, the only original "local" TUNING controls I have routinely
> > seen
> > are those "tuning keys", or as some call them, the "wee knob", that were
> > included with some receivers inside the top lid along with a small dial
> > which
> > was meant to be attached to the remote tuning control, BC-450 (?) or
> such.
> >
> > However, those have very, very noticable and annoying back-lash.
> >
> > There are, of course, those very few "crank-handle" type tuning knobs
> > (type
> > 6743?), but those also have excessive back-lash. In addition, when those
> > show up on eBay their average selling/buying price is at least $30 each.
> >
> > For "local control" tuning, I much prefer my simple piece of 1/4" brass
> > tubing
> > with a knob attached.
> >
> > With that there is no backlash.
> >
> > Ken W7EKB
> >
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