In a message dated 3/16/2008 4:30:05 P.M. Pacific Daylight Time,
> I am starting the planning phase of my tower. I am thinking of installing
a Texas Towers HDX-589MDPL crank up tower. I would like to put a MonstIR
beam on it. I am concerned with the windloading - fully extended I don't think
that I have enough safety margin - I believe that the Steppir has a windload
of around 30sq feet.
First, Texas Towers is a dealer for US Tower, the manufacturer.
You are well advised to be skeptical. Wake County is a 75 MPH windspeed
zone (from _http://www.championradio.com/windspeed.php_
(http://www.championradio.com/windspeed.php) ). Crank-ups return moderate
windloading for their
> Can I guy this tower at the top to get a better wind loading
No. You cannot put any more tension on the tower/cables with guys.
> or should I leave it at say 50 of 60 feet most of the time?
That would get you lots more capacity but at a height that would only have
negative effects on your MonstIR performance.
I guess my question is why spend the premium for a crank-up when a
self-supporting tower would give you whatever height you want with a more
structure. Of course a guyed tower would be even somewhat less expensive for
> Does anyone know how the max windloading figure increases as the tower is
You're asking engineering questions. Contact UST for specific answers.
They're not particularly well informed about engineering questions but you
need to start somewhere.
> What would be the recommended rotor for a beam of this mass - I want the
installation to hold up in our rough summer storms. I am located in North
The Orion with the Green Heron controller is second only to a prop pitch.
The Orion mast clamp is a very poor design. _www.championradio.com_
(http://www.championradio.com) sells a custom clamp that does a much better
isn't any info currently on the website - sorry - but I can send you a picture
of it if you're interested. They're $120.00, are hot-dipped galvanized and
use 6 U-bolts to hold the mast.
TOWER TECH -
Professional tower services for hams
Champion Radio Products
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