So for this dummy, for a given height and load, in the 60 to 80 foot range,
does the guyed tower still retain its cost advantage when you factor in the
extra anchor points with the steel in them and the guy wire or Phillystran
for the tower?
Thanks,
Rusty, na5tr
----- Original Message -----
From: <K7LXC@aol.com>
To: <towertalk@contesting.com>
Sent: Monday, October 15, 2007 8:19 AM
Subject: Re: [TowerTalk] Guyed vs. free-standing
>
> In a message dated 10/14/2007 8:15:50 P.M. Pacific Daylight Time,
> towertalk-request@contesting.com writes:
>
>> I see where KA9FOX put up a self supporting 72' Trylon at his old qth
>> and
> at his new qth, he put up a 95' Rohn 55G. I know at his old qth, he
> didn't
> have the space for the 55G. Other than the additional feet between the
> two,
> what are the advantages of the guyed Rohn tower over the self-supporting?
>
> Scott has a rotating tower. You can mount beams anywhere on the tower
> and they'll all turn together. If it was a standard fixed 55G you could
> still
> have side-mounted antennas using swinging gate side-mounts or TIC
> rotators.
> The additional face width of the self-supporting tower makes this kind of
> difficult.
>
> Another difference is the load at height. If you wanted to go higher
> with the self-supporter, the tower capacity goes down fairly quickly; not
> so
> fast with the guyed tower since it uses the guy wires as part of the
> supporting
> structure. Guyed towers are typically cheaper because of that. The cost
> of a
> tower is the cost of the steel in it. Self-supporting towers generally
> have
> much more steel in them for the height than a guyed tower so they're more
> expensive.
>
> Cheers,
> Steve K7LXC
> TOWER TECH and
> _www.championradio.com_ (http://www.championradio.com)
>
>
>
>
>
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