I understand what you mean, exactly.
The "fanning" you describe is what happens when the conductor gets squashed
during the course of cutting it. This happens if you use diagonal cutters,
end cutters, etc. It does *not* happen -- not even a tiny bit -- if you use
a real cable cutting tool, which is like a pair of mating half-moon cutting
surfaces that slice through the conductor and completely shear it, without
compressing it at all. The use of the "right tool for the job" completely
takes care of the problem with LMR-400.
But you're right: If you use "dikes" (diagonal cutters) or similar, this
will indeed happen.
WB2WIK/6
-----Original Message-----
From: Perry - K4PWO [mailto:k4pwo@comcast.net]
Sent: Tuesday, September 04, 2007 1:53 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] LMR400-PL259s
One source of problems fitting PL-259's is that, when you cut the LMR-400,
the soft copper clad aluminum "fans" preventing it from sliding into the
connector. You can file the very tip to "round" the conductor or try
forming it back to round with pliers. You will always have a little AL
exposed at the cut end but I usually trim the center long, solder the center
pin, and then cut the center conductor flush with the PL-259's pin. Quality
connectors help too!
73 de Perry - K4PWO
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