ranchorobbo at gmail.com
Sun Oct 18 15:32:31 EDT 2009
Okay Eddy FB thanks,
Rob / K5UJ
On Sun, Oct 18, 2009 at 10:49 AM, Edward Swynar <gswynar at durham.net> wrote:
> Hi Bob,
> 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
> inside a
>> > 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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