[TowerTalk] new tower

David Robbins K1TTT k1ttt at arrl.net
Fri Jul 13 18:54:02 EDT 2007


Yeah, a 3 legged stool never wobbles... a 4 legged one always wobbles!


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Rick Karlquist
> Sent: Friday, July 13, 2007 22:16
> To: Paul Hemby
> Cc: towertalk at contesting.com
> Subject: Re: [TowerTalk] new tower
> 
> Obvious solution is 4-way guying.  The use of 4 guys reduces the
> 80% rule to 57%, or 96 feet.  But 4 way guying also allows you
> to put the guys out at 120 feet.  So you will be in very good
> shape with 4 way guying.   Imagine the stability of a 3 legged
> stool vs a 4 legged stool.  Big difference.
> 
> Rick N6RK
> 
> 
> Paul Hemby wrote:
> > I would like to install 170 feet of Rohn 45 tower.  The problem is that
> > the
> > specs call for guy points to be 136 feet.  My lot is only 170 feet wide
> > which will give me about 96 feet on each guy point.  Is there anyway to
> > elevate the guy points enough, such as using H beam to make this work,
> or
> > increasing the size of the guy cables, pouring additional concrete, etc,
> > the
> > tower can be bracketed to the poured concrete bond beam on a concrete
> > block
> > garage at 10 feet if this would help.  Any help or ideas would be
> > appreciated.   Thanks Paul WN4AMO
> >
> >
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