Not to keep dragging this out forever, but, used to be, the greases came in
petroleum-based and synthetic-based. For obvious reasons, the synthetics
are better - if there is a choice, select them. Also, in the first years of
the "grit bearing" greases, which were designed to act as Gerald and Gary
have discussed, they were loaded with finely ground glass (!). Yes, that's
right. I still have a bottle of the original Fargolene with glass in it.
When I ran comparison tests in the lab, the grit bearing grease did not
perform as well as the straight grease on freshly brushed and clamped wire,
but that was prior to the newer developments where zinc is used. That also
did not take into account how it performed over the long haul, which I no
longer remember. Too many years ago!
73, Duane
Duane Calvin, AC5AA
Austin, Texas
www.ac5aa.com
-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Gary Hoffman
Sent: Thursday, April 30, 2009 9:13 PM
To: geraldj@storm.weather.net; Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] OT: cleaners, etc
Hmmm....I did not know about zinc particles in that particular product. Nor
did I know that you could form "crystals" of zinc. Perhaps you are just
referring to small pieces of zinc.
But - are not zinc and aluminum far enough apart in the periodic table to
react with each other ? My chemistry is extremely old and consequently
vauge, but I thought you could even make a battery of those metals (with
some other components added of course).
It seems surprising to me to hear this, in any case, and its the first time
I ever did. Interesting.
73 de Gary, AA2IZ
----- Original Message -----
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
To: <tentec@contesting.com>
Sent: Thursday, April 30, 2009 2:07 AM
Subject: Re: [TenTec] OT: cleaners, etc
> On Thu, 2009-04-30 at 06:33 -0500, W4KW wrote:
>> Dr. Gerald,
>> I agree with the No-Lox, Steel wool, etc. One thing I do AFTER EVERYTHING
>> is
>> cleaned and the way I want to put it back together. I pick up some of the
>> thin latex gloves, wash everything down with Vinegar (Color doesn't
>> matter)
>> let dry thoroughly and then apply the No-Lox kinda like using PVC Glue,
>> can't use too much but apply to both parts twist to insure everything is
>> 100% covered and then bolt and/or pop rivet together (After you double
>> check
>> your measurements one more time)
>> Lots of luck,
>> Bert
>>
> The NoAlox grease has two functions. First the grease keeps the aluminum
> from oxidizing more, but also its filled with crystalline zinc particles
> that when pressure is applied break through the aluminum oxide that is
> on ALL aluminum to make a good connection. That way it makes and
> maintains a good aluminum connection. I don't know that its really
> weather proof so it probably would last better in some applications if
> encased in tape or heat shrink tubing to keep weather and sun away.
>
> 73, Jerry, K0CQ
>
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>
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