Re: [TowerTalk] Rohn 25G and Ice Loading

[Joe - WDØM <WD0M@centurytel.net>]

Lived on the coast of Alaska for quite a few years - we had a heck of an 
ice storm, resulting in up to 3 inches of ice on my tower and 
antennas.  There is a picture on my old web site:

http://www.xyz.net/~joe/

The picture appeared in QST a couple of years ago.  The tower stood tall - 
and we had winds of 125 mph as well.  The antenna pictured is a Mosley 
Pro57B-40, with a Cushcraft 5 element 6 meter yagi on top.  The guys were 
Philystran, and had a 3 inch coating of ice on them.  I'd guess that it 
takes a lot to bring down a well-guyed Rohn 25G.

73,
Joe
WDØM (Ex-WL7M)


At 12:48 PM 1/11/2005, Lee Buller wrote:

> To start a new thread.....
>
> Last week, we had a ice storm come through Southcentral Kansas that 
> snapped power poles, limbs and branches and trees like they were tooth 
> picks.  My TH6DXX hung in there and drooped like a centipede...but sprung 
> back horizontal after the ice melted.  The dipoles came down (ropes broke 
> - I should replace the parachute cord with new stuff...it is more than 20 
> years old with a lot of knots) and they had about 3/4" of ice on 
> them.  The tower was covered with at least 1/2 inch of ice or more.
>
> What has been the collective experience of those of you who have ice where 
> you live as to what it takes to bring down Rohn 25G?  Luckily we did not 
> have wind.  So, what have been some experiences?
>
> Lee Buller - K0WA


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