Oops, wrong group. But may be relevant here as well.
On 12/07/18 18:25 PM, Steve Maki wrote:
Well here's the advantage of captivated center pins: the pin is NOT
bonded to the center conductor. IOW, if the coax center conductor
shrinks a bit, it can slide in the center pin and the pin stays put.
And that's exactly what you want it to do - especially with an N connector.
-Steve K8LX
On 12/07/18 14:25 PM, Mike Waters wrote:
Exactly my experience, even with captivated pins!! And my coax runs
were only about 100' long.
The captivating washers were made of Teflon®, *and Teflon cold
flows*. This was when I lived in Toledo, Ohio when the temperature
dropped well below zero.
Four photos of those N connectors are at
http://www.w0btu.com/files/misc/N_plugs . See the last two.
73, Mike www.w0btu.com
On Fri, Dec 7, 2018, 1:02 PM Richard (Rick) Karlquist
<richard@karlquist.com> wrote:
My two 500 foot RG-216 military surplus cables both eventually
exhibited retracted pins on the type N connectors at both ends. I
replaced them with PL-259's. ... Success anecdotes about install
once and never touch again commercial sites are probably not
relevant to ham applications.
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