These take care of that kinking problem.
http://www.kf7p.com/KF7P/Pic_arms.html
Chris
KF7P
On May 2, 2013, at 10:27 PM, Marvin Shelton wrote:
> I don't know if I've ever seen anyone here make mention of the fact that you
> should NOT attach ANY coax cable to the stand-off arms of a crank up tower
> regardless of how "flexible" it is. I just learned this the hard way. I read
> about someone somewhere saying that they had attached the coax coming thru
> the standoffs to the standoffs themselves so that the coax would not lie on
> the ground when the tower was cranked down. While this helps keep the coax
> off the ground, it can cause flexible coax, in my case Belden 9913F7
> (recommended by Texas Tower) to take too sharp of a bend, when the weight of
> the coax above the standoff comes into play.
> It took me awhile to figure out what was wrong so I thought I'd pass the word
> along here, as many on this reflector have helped me in the past.
> So my suggestion is to get a tub or some type of container on the ground to
> receive the coax as you crank your tower down and let the coax slide thru the
> standoffs. The fewer bends you put into coax the better.
>
> Finally, I thought I saw somewhere in QST or elsewhere, a description of what
> coax brands use soft foam center dielectrics. I think this is the case with
> the Belden 9913F7 and I want to know what other cables could be subject to
> this problem so that I stay away from them.
>
> The tower now has a run of RG-213 and one of LMR-400 both without problems.
>
> 73's from Marv
> wa2bfw@att.net
>
>
>
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