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Re: [TowerTalk] sealing goop

To: jimlux <jimlux@earthlink.net>
Subject: Re: [TowerTalk] sealing goop
From: "Kelly Johnson" <n6kj.kelly@gmail.com>
Date: Fri, 1 Aug 2008 09:48:36 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Not bad ideas, but heat and glue guns aren't the most convenient
things to use when you're up the tower :-)


On 8/1/08, jimlux <jimlux@earthlink.net> wrote:
> Roger N0VR wrote:
> > I use a similar method but I "pot" the connectors with hot glue as the
> > "middle" layer instead of using the self-vulcanizing (or rubberized) tape. I
> > just thoroughly cover the first layer with hot glue and then once it cools
> > to where it is slightly firm but still pliable, I wrap it with the third
> > layer. The tightening of the top layer as it is applied will effectively
> > squeeze the still soft glue into any voids that you may have missed.
> >
> > Granted, the self-vulcanizing tape might be easier but I had a connector get
> > water in it years ago using the three layer method. That is what prompted me
> > to "pot" them instead.
> >
> > The one thing I didn't do before is turn the first layer "sticky side out".
> > That is a great idea. Although some tape residue isn't all that bad to
> > remove from a connector, your method makes it just that much easier.
> >
> > Roger, N0VR
> >
> >
>
> They actually make a heat shrink tubing that has an inner layer on it
> that melts at the shrink temperature.  You put it over the connector,
> zap it with the heat gun, and the goop squirts out the ends as the
> tubing shrinks.
>
> There's also a low melting tape (no adhesive) that you wrap around the
> thing to be sealed, putting heat shrink over the combination. Same
> idea.. you heat the assembly, the tape melts, the outer tubing shrinks,
> and you've got a watertight seal.
>
> I've heard stories about people actually sealing leaks in pipes with
> this stuff, but not actually seen it done.
>
> Jim, W6RMK
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