Perhaps you could just cut a short piece and experiment with it, if it is that
important to bend it in the tightest radius possible.
Stan, K5GO
Sent from my iPad
On Nov 20, 2012, at 11:07 AM, Hans Hammarquist <hanslg@aol.com> wrote:
> I understand that the bending radius is a lot less if the cable is braided or
> corrugated.
>
>
> Well, the cable I have is neither. The shield is an aluminum "tube" with no
> corrugation or anything else to aid the bending. The center conductor is a
> solid copper plated aluminum wire. (No, I am not worried about the center
> conductor.)
>
>
> Someone warned that a too small bending radius will nick the shield. I am
> planning to use some type of fixture for the bending in order to avoid any
> nicking.
>
>
> I do want to now what diameter to use for the fixture. I would like to
> get/make one with a too small diameter and later have to get something
> different.
>
>
> So, what would I expect for a 1/2 inch solid conductor, solid/stiff shield
> with noting to aid bending.
>
>
> Hans - N2JFS
>
>
>
> -----Original Message-----
> From: Jim Thomson <jim.thom@telus.net>
> To: towertalk <towertalk@contesting.com>
> Sent: Tue, Nov 20, 2012 4:54 am
> Subject: [TowerTalk] hardline bending radius
>
>
> Date: Mon, 19 Nov 2012 13:35:01 -0500 (EST)
> From: K7LXC@aol.com
> To: towertalk@contesting.com, jimlux@earthlink.net
> Subject: Re: [TowerTalk] hardline bending radius
>
>>> I recollect that the minimum bending radius for all coaxes is 6
> times
>> the diameter. For 1/2" RG-8, that'd be 3 inches.
>
>
>> I think that's for coax with braided shield (the RG-8, RG-213) kind.
>
> It's an Andrew standard for their non-braided coaxes.
>
> Cheers,
> Steve K7LXC
> TOWER TECH
>
> ## as a side note, if RFS brand heliax is used, the turning radius is one
> heck
> of a lot less
> than Andrew heliax. The RFS stuff uses a corrugated cu center conductor as
> well
> as the
> either cu or AL corrugated shield. Andrew heliax uses a copper tube on it’s
>
> 7/8” heliax...
> and also on its 1.25” heliax. The RFS stuff is flexible. IF you get the
> version with the
> AL corrugated shield, it’s also very very light. That AL outer shield
> version
> only comes
> in 2 sizes, 7/8” and also 1.25” . It’s a lot cheaper than andrew....esp if
> you
> get it at Davis RF.
> And of course, 7-16 Dins are readily available for both sizes. The RFS stuff
> is
> a heck of a lot
> easier to work with.
>
> later........ Jim VE7RF
>
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