David O Hachadorian wrote:
> On Thu, 10 Jul 1997 09:26:43 -0400 (EDT) K7LXC@aol.com writes:
> >Forwarded message:
> >Subj: Tower Guys
> >Date: 97-07-10 08:59:20 EDT
> >From: SavageBR
> >To: K7LXC
> >Hi Steve,
> >I have a quick question, if a tower is guyed at 4 points (90 degrees)
> >than 3 points ( 120 degrees) will I gain any effective guy ratio or
> >can the 4 points by moved in any and keep the same effective 3 point
> >ratio? I am still looking at properity and one place we saw yesterday
> >require a 4 point guy system due to the layout.
> >Many thinks, Bruce
> One data point for four-way guying is Rohn's recommended
> layout for their #45 foldover tower. The 64' model
> has two sets of four guys, anchored 25' from the tower
> base. The guys fit into a square piece of land
> 35' x 35'. The tower is rated for 28.4 sq ft of antennas
> at 70 mph, or 17.2 sq ft at 87 mph.
> Conventional 3 way guying would require a piece of land 77'
> x 88', and the tower would be rated for 24.3 sq ft at 70
> mph. It could handle 23.6 sq ft at 90 mph with 1/4" EHS
> top guys.
> Dave Hachadorian, K6LL
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So how many sets of guy wire do I need for a 58' Rohn 25g?
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