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Re: [TowerTalk] EHS cable and torque bars

To: towertalk <towertalk@contesting.com>
Subject: Re: [TowerTalk] EHS cable and torque bars
From: Steve Maki <lists@oakcom.org>
Date: Fri, 9 Jun 2023 21:21:32 -0400
List-post: <mailto:towertalk@contesting.com>
That's idiotic, or at least short sighted.

Use the biggest pin shackle that will fit in the torque arm, and 1/4" big grips (preforms) with thimble in the shackle. This makes it easy to remove a guy wire temporarily whenever needed.

As has been pointed out often, the torque arms don't do much for rotational resistance, but if you have them, use them. It makes a nice install.

-Steve K8LX

On 2023-06-09 8:34 PM, Mike H wrote:
I acquired some used Rohn 45G in very good shape and will be going up 50 ft. Antenna will be stacked 2 x 9-el for 2m. I'm following the Rohn engineering guidance very closely: base is a new R-SB45G buried in the prescribed concrete block along with GAR30 guy anchors, also in concrete. I have the older style guy bracket for 45G that has (very expensive!) TB45D torque bars <https://www.3starinc.com/rohn_45g_torque_bars_for_use_with_guy_bracket_r-tb45d.html> along with several hundred feet of brand-new 1/4 in EHS for the guys. According to the Rohn instructions, however, I can't use EHS cable that's greater than 3/16 in:

https://www.3starinc.com/manuals/ROHN_Torque_Bar.pdf

This means I'd have to buy either smaller EHS cable or their newer guy bracket that doesn't use torque bars. I'll do this if I have to, but I'd sure like to understand why 1/4 in EHS is a deal-breaker for the torque bars. QTH is north Florida so I want to make the setup as storm-proof as practical. Any insight appreciated.

Mike WB2FKO
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