[TowerTalk] Concrete anchors

[Bryan]

The drawing I have for the Rohn 25G shows the same guy wire size and the same
amount of tension from 40' up to 190'.  You're specs must be for a larger size
tower.


----- Original Message ----- 
From: "Keith Dutson" <kjdutson at earthlink.net>
To: "TowerTalk" <towertalk at contesting.com>
Sent: Wednesday, September 22, 2004 3:26 PM
Subject: RE: [TowerTalk] Concrete anchors


> What is guting radius?
>
> I agree with Bill.  Tension on lower guys is less, as specified in Rohn
> catalog.
>
> Keith NM5G
>
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of Cqtestk4xs at aol.com
> Sent: Wednesday, September 22, 2004 2:31 PM
> To: mel.martin at axare.mail.net
> Cc: TOWERTALK at contesting.com
> Subject: Re: [TowerTalk] Concrete anchors
>
> I'm a little bit skeptical of this issue...
>
> a typical tower 120'  tower using 80% radius for guying at 3 points is going
> to have a guting  radius of 240% for the bottom set of guys... at which
> point tension is  getting close to the max at the bottom set of guys. One
> would expect that the  tower would easily handle this tension............de
> VE2DC ______________________________________________________________________
>
> ......but, if you check your Rohn book, you will notice the lower guys are
> usually one step down in size.  If the upper ones are 1/4, the lower  ones
> are 3/16.  Therefore, less tension when tightening the guys on the
> bottom....less pull.
>
> Also on taller towers, when two different anchor points are necessary, the
> lower bank goes back to approximately 80 per cent of the height of the
> highest member of the lower bank, AND they are also one size  smaller...less
> pull.
>
> I'm no engineer, but it does make sense.
>
> Bill K4XS
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
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> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
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