gswynar at durham.net
Sun Oct 18 11:49:19 EDT 2009
I have never, ever seen silicone decomponse / deteriorate in
sunlight---ever. I believe it's because there's no plastic in it, per se,
which is affected (in time) by UV rays...
Anyway, it works---AND it's cheap, AND it's readily available! Hi Hi.
~73~ de Eddy VE3CUI - VE3XZ
----- Original Message -----
From: "Rob Atkinson" <ranchorobbo at gmail.com>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Sunday, October 18, 2009 10:57 AM
Subject: Re: [AMRadio] antennas
> I had wondered why no one had mentioned a simple tube of silicone from
> the hardware store and was about to but you took the words out of my
> mouth. I was starting to think there was some gotcha associated with
> it that I didn't know about, but I've been using it outside with no
> problems. Maybe it breaks down in sunlight?
> On Sun, Oct 18, 2009 at 7:26 AM, Edward Swynar <gswynar at durham.net> wrote:
> > Hi Guys,
> > Contrary to "...tribal knowledge", I insist that clear silicone
> > sealant---G.E. brand, whatever---still can't be beat on applications
> > are out-of-doors & in the open...!
> > I smear it all over my PL-259 connectors---and then some---that I use to
> > hook-up my feeders to the bases / tuning networks of my extended
> > "L" arrays for 160-meters here: in the open air, there are no noxious /
> > corrosive fumes to contend with...
> > In the Spring, when it's time to roll-up the radials & store away the
> > networks, I simply get an X-acto knife & make a slit into the silicone
> > length of the connector, then peel the whole thing off in one piece.
> > It's cheap, effective, and never allows water entry into the
> > when buried for (literally) months at a time under a foot & more of
> > I concur, however, with the "dangerous" potential side-effects of
> > silicone...case in point: one Field Day, many moons ago, I used silicone
> > an adhesive to anchor a small air-variable capacitor down securely
> > Tupperware enclosure, used to tune a delta loop on 40. It was a dewey
> > Sunday morning when we opened-up the Tupperware lid to se why the tuning
> > our antenna had gone awry...to our surprise, the rotor blades of the
> > capacitor were completely coated in rust!
> > Our only conclusion was that the noxious, vinegar-like smell of the
> > silicone, in a sealed environment, had somehow "attacked" the steel
> > capacitor, & aged it by a quantum leap!
> > Used outdoors & in the open, however, I've never had that problem...
> > ~73~ de Eddy VE3CUI - VE3XZ
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