[TowerTalk] sealing goop

[Roger N0VR]

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

-----Original Message-----
From: Kelly Johnson [mailto:n6kj.kelly at gmail.com] 
Sent: Thursday, July 31, 2008 7:03 PM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] sealing goop

I learned the following trick from a guy at work that installs and
maintains all of our antenna systems:
1) Wrap the connector with standard electrical tape GOOEY SIDE OUT.
This way you don't gunk up the connector if/when you have to remove
the tape.
2) Apply a second layer, but this time use "rubberized electrical
tape".  I think Scotch makes some and probably others as well.  I
can't remember the product name, but could find it if necessary
3) Apply a final layer of standard electrical tape GOOEY SIDE DOWN
over the outside.

You know have 3 layers, with the inner layer being of the "rubberized"
kind.  It can be removed relatively easy with a razor blade knife and
there will be no goo on the connector.


On 7/31/08, Artmouton <k5fnq at cox.net> wrote:
> Any ideas on the better types of sealing goop for parts on towers, etc.
>
> I have an older Yaesu Rotator with the plug for the control cable.  No
boot
> available to cover the plug connection.  To much chance of tai tai's and
> mi-mings getting in there (also possibly gremmies) so I want to seal it
all
> up.
>
> I want to goop it to keep out water, etc.
>
> Then, after applying goop do I further seal it with electrical tape?
>
> What have we out there?
> Tnx & 73,
> Art K5FNQ
>
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