Re: [TowerTalk] N connectors pulling off

[Jim W7RY <w7ry@centurytel.net>]

Simple

Solder the braid to the retaining ring. Or use crimp on connectors.


73
Jim W7RY

At 10:22 PM 1/17/2005, Bill VanAlstyne, W5WVO wrote:
> The thread on PL-259s has been very instructive, and appreciated. But I'm
> having problems with genuine Amphenol N connectors (clamp/solder type)
> installed on Belden 9913F7 coax. And yes, I did buy the type of N connector
> specified for this cable type (82-202-1006, as opposed to the 82-202
> characterized for RG-8).
>
> Problem is, the connectors seem to pull off very easily, especially after
> they have been installed for a year or so. My preliminary hypothesis is that
> the dielectric, braid shield, and jacket gradually "shrink back" from the
> center conductor, which (since the center conductor, when mated with a
> receptacle, can't go forward) tends to pull the braid out of the grasp of
> the threaded-on clamp that is supposed to secure it. And so the connector
> pulls off easily. I believe that this is what's happening because, when I
> reassemble the connector to the cable end without recutting anything, the
> center conductor pin protrudes further forward than it is supposed to --
> further than it did when originally installed. Then, when I screw the
> connector onto its mating receptacle, the center pin and cable body are
> forced backward, pulling the braid out of the connector clamp. At least,
> this is what I THINK is happening.
>
> I'm wondering if anyone else has experienced this problem with N connectors,
> and if so, is it just with this type of coax/connector I'm using, or is this
> phenomenon common to all N connectors and coax of this size. And, of course,
> is there a "fix" that will prevent this from happening? Is there a better
> way to install clamp/solder N connectors than the method specified by
> Amphenol? Are the crimp-on N connectors better? If so, how much does the
> crimping tool cost?
>
> Bill / W5WVO
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
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See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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