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[TowerTalk] Rohn 25 guy radius oddness.. 80% vs 50%?

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Subject: [TowerTalk] Rohn 25 guy radius oddness.. 80% vs 50%?
From: (
Date: Thu, 18 Nov 1999 08:34:57 EST
In a message dated 99-11-18 08:08:19 EST, writes:

> For the same guy tension, a 50% radius will put a greater downward force on
>  the tower (equivalent to a heavier antenna if you neglect wind loading) and
>  it will provide less lateral force along the length of the tower to keep it
>  from deflecting in the wind.  The 80% radius makes for longer guys, though,
>  so any effect of stretching in the guys would be a bit greater, I suppose.
>  I'm not saying 50% isn't sufficient in any specific case, but I think
>  geometry favors the 80% radius overall.

        I agree and I thought my comments reflected the recommendation to go 
with 80% rather than 50%. I was responding to his proposed installation 
specifically which is pretty small - not to *all* installations. 

Cheers,   Steve    K7LXC
Tower Tech

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