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Re: [TowerTalk] Mixing Rohn 20G and 25G

To: Kevin Kidd <kkbroadcastengineering@gmail.com>
Subject: Re: [TowerTalk] Mixing Rohn 20G and 25G
From: Wayne Kline <w3ea@hotmail.com>
Date: Wed, 2 Jul 2014 10:43:42 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
 My Bad    :(   I meant to say  R-20-G   ( Still on ESDT time and it was   AZ  
time = 1:00PM to me  ) 
 
25-G is a horse of a different color  ... 

 
> Date: Wed, 2 Jul 2014 08:23:47 -0500
> From: kkbroadcastengineering@gmail.com
> CC: towertalk@contesting.com
> Subject: Re: [TowerTalk] Mixing Rohn 20G and 25G
> 
> On Tue, Jul 1, 2014 at 10:32 PM, Wayne Kline <w3ea@hotmail.com> wrote:
> 
> > But if my gray matter serves me well  R 25- Gg is not suitable for guying
> > let alone two levels .
> 
> 
> 
> 25g is usable under Rev G 90mph up to 190ft with 5 levels of guys.  Lightly
> loaded yes but usable.  There are many 190ft AM broadcast and lightly
> loaded 2-way towers that have been standing for 30+ years with 4 levels of
> guys.
> 
> You will find a lot of people that will argue that using a wall bracket on
> a guyed tower is a bad thing.
> 
> See:
> http://www.rohnnet.com/rohn-25g-tower
> 
> I once was called to work on a small community cable TV tower.  When I
> arrived I found 300ft of 25g with the expected arrays of VHF and UHF
> yagi's.  I walked up to it, looked up and quickly walked back to the
> truck.  The owner came over and wanted to know how long it was going to
> take to replace the feed line to an array about halfway up.  I replied that
> it wouldn't take long because that thing was about to be horizontal.  That
> tower was so overloaded that sections were bulging and visibly twisted at
> the array mounting points.  Several lower legs were split from the weight
> trying to force them down over the top of the section below.  There were a
> lot of leg bolts bent...  Z braces broken loose from legs, etc...
> 
> The owner answered that it had been like that for years but I refused to
> climb and came back home.  It was on the ground within the month.
> 
> I don't understand how the thing stayed up for construction, let alone
> several years with all those yagis.
> 
> Later,
> 
> Kevin C. Kidd, CSRE/AMD
> AM Ground Systems Company  -  WD4RAT
> kkidd@kkbc.com  --  866-22-RADIO -- 866-227-2346
> www.amgroundsystems.com
> _______________________________________________
> 
> 
> 
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