FSJ Heliax...or superflex as it's known in the industry is not rated for
outdoor use. The outer jacket is so thin it metal fatigues easily. It's great
for low loss jumpers indoors but I would never use it for a rotor loop.
Cecil
K5DL
Sent from my iPad
> On Jun 7, 2014, at 9:03 PM, Bill Wichers <billw@waveform.net> wrote:
>
> Sorry for this not being entirely topband-related, but I'm hoping some people
> here have tried this. I have a beam on a rotor than has lmr400 feeding it
> now. The cable has been damaged by critters that like snacking on
> polyethylene. I'm thinking about replacing the lmr400 with fsj4-50b heliax
> since I have several thousand feet of that on a reel. I'm also thinking that
> the corrugated copper shield will resist critter damage better than the braid
> in the lmr400 cable.
>
> Has anyone had any issues with fsj4 series heliax in rotor loops? I'm
> interested to know if the flexing causes any fracturing issues with the
> corrugated copper shield in the cable. I'm thinking it will be ok if I make
> the loop big enough and I'd rather not splice in a piece of lmr ultraflex if
> I don't have to.
>
> Anyone out there have some experience they can share?
>
> -Bill
>
> Sent from my iPhone
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