----- Original Message -----
From: "Ron Youvan" <ka4inm@tampabay.rr.com>
To: "amps" <amps@contesting.com>
Sent: Wednesday, May 02, 2012 1:00 PM
Subject: [Amps] Fwd: Re: soldering vs crimping
> Dick WC1M wrote:
>
> <<
> I'm with Carl on this one. Actually, the crimp N-connectors I use have
> center pins designed to be crimped *and* soldered -- there's a little hole
> in the side for soldering. I've found that there's so much variation in
> center conductor size that crimping *and* soldering makes for the most
> secure connection. The UHF crimp connectors I use all require soldering
> for
> the center conductor -- you can't crimp it. As for the shield, there's no
> question in my mind that crimping is superior to soldering. It's very
> difficult to properly solder shield braid without overheating it and
> melting
> the dielectric. I'm not saying it can't be done -- only that it's tricky.
> >>
>
> Once you learn how to properly trim and pre-tin the braid it is easy.
>
> <<
> I've only had a few solder connector failures over the years, but they've
> all involved either deformation of the dielectric due to overheating, or
> breaking of the shield because it became brittle after soldering.
> >>
> --
> Ron KA4INM
I learned the correct way in the US Navy in the late 50's and its never
"easy", just "correct"
Its always better to crimp AND solder the center conductor unless you feel
lucky but dont blame the connector if it blows in a contest or
pileup......especially the QRO crowd.
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