[ARC5] 10 meter BC-454 - instability possibly found
mstangelo at comcast.net
mstangelo at comcast.net
Wed Feb 13 09:08:40 EST 2013
Rubber bands tend to dry out. I'd recommend melting some candle wax into the slug. Don't overdo it, just enough to get a firm fit.
Mike N2MS
----- Original Message -----
From: Kenneth G. Gordon <kgordon2006 at frontier.com>
To: Arc5 mail list <arc5 at mailman.qth.net>
Sent: Wed, 13 Feb 2013 04:59:27 -0000 (UTC)
Subject: Re: [ARC5] 10 meter BC-454 - instability possibly found
On 12 Feb 2013 at 22:30, Robert Eleazer wrote:
> I saw in a GE Voice Commander where they took rubber bands, cut them
> and stretched them lengthwise through the coil form, screwing the slug
> in with the rubber band running from top to bottom. It did not follow
> the screw threads but rather ran across them at right angles.
Yes. That was what I was thinking of, in fact, for this thing. I decided against
it here because to my mind it would be too "springy".
Ken W7EkB
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