[TowerTalk] Broken Self Supporting Crank Up Tower

[Bernard(wtrone)]

    If you have ever had a tower come crashing down, you would know that it
is much better to do the "right" thing up front than have a big mess sitting
in your back yard.

        73

        Bernard, WA4OEJ


----- Original Message ----- 
From: "Alan AB2OS" <ab2os at att.net>
To: <towertalk at contesting.com>
Sent: Friday, June 11, 2004 9:52 PM
Subject: Re: [TowerTalk] Broken Self Supporting Crank Up Tower


> I just came from looking at the specs for the AN Wireless
> self-supporting towers (www.anwireless.com). I had been thinking of a
> 60' tower to support my 3-el SteppIR (by no means large: less than 7 sq.
> ft.), but I found that the max. surface area one of their 60' Light Duty
> models will support with 90mph winds is less than 1 sq. ft.!
>
> If I want to put this antenna on a tower in this location (Ottawa Co.,
> W. Michigan), I must either settle for a 50' Light Duty tower or put out
> almost $1000 more for the 60' Heavy Duty model. The foundation
> requirements are different too.
>
> Alan AB2OS
>
>
> On 06/11/04 08:43 pm Wendell Wyly - W5FL put fingers to keyboard and
> launched the following message into cyberspace:
>
> > Driving home today after a recent thunderstorm, I saw a crank up
> > (telescoping triangular tower) BROKEN completely in two pieces with the
beam
> > hanging nearly on the ground.  This was a fairly heavy duty tower with
only
> > a tri-bander on it and only about a 50 foot tower.  He needs a crane to
get
> > it down now.
> >
> > Never ceases to amaze me that it takes me 8 5/16 EHS guys to hold my
Rohn 45
> > tower and small 2 element quad antenna  and others seem to think a
little
> > piece of concrete is going to hold their crank up towers in the extended
> > position indefinitely.  I am sure the load was only 6-8 sq feet, but
that
> > was enough.
> _______________________________________________
>
> 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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