[TowerTalk] Rugged Connectors

Jeff DePolo jd0 at broadsci.com
Sat Feb 23 20:58:37 EST 2019


> I am looking for a way to make the connector attachment to 
> the coax truly rugged! I have seen "manufactured" cables the 
> have a strain relief where the cable and connector come 
> together. Is there a way for the home user to do something similar?

Use thick-wall adhesive-lined (hot melt) heat shrink.  Start with a long
piece of the smallest diameter that will fit over the cable and crimp
ferrule, with enough length for it to extend down the coax maybe 2" beyond
the end of the ferrule when butted up against the body of the connector.
Shrink that down.  Then add another length of slightly-larger heatshrink
over the first, cut maybe 1/2" shorter but still butted up to the connector
body, and shrink that.  Do a third that's 1/2" shorter than that.  The
built-up layers closest to the connector body will prevent sharp bending at
the ferrule, and the fewer-layer staggered sections further up the cable
will allow gentle flexing while maintaining strain relief.

				--- Jeff WN3A



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