I was going to say the same thing as Jeff.
When the triple wall glue lined stuff shrinks down, it is really stiff! I have
it on my website or it is available in a lot of other places too. Practice on
a scrap piece of coax first so you can ge an idea of how it behaves after you
shrink it.
Chris
KF7P
On Feb 23, 2019, at 18:58 , Jeff DePolo <jd0@broadsci.com> wrote:
> 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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