[TowerTalk] Fall Zone

[Glenn Pritchard]

Boy is there a lot of misinformation here.

Glenn, VA7UO 

Sent from my iPhone

> On Jul 8, 2019, at 10:36 AM, jimlux <jimlux at earthlink.net> wrote:
> 
>> On 7/8/19 9:34 AM, Jim Thomson wrote:
>> Date: Mon, 8 Jul 2019 11:20:31 -0400 (EDT)
>> From: Wilson  Lamb <infomet at embarqmail.com>
>> To: undefined <towertalk at contesting.com>
>> Subject: [TowerTalk] Fall Zone
>> <I wouldn't want a neighbor's tower/Yagi looming over my backyard...and I love towers!
>> <The fall zone idea seems like simple good manners.
>> <I have been loosely involved in dropping 200' BC towers, dropped by cutting the rods at one guy anchor, thus losing all guys on that side.
>> <They fell absolutely full length, with a few sections not even bent!
>> <I think a foundation failure (soil, bolt, gin pole) would drop a crankup to full length.
>> <Is there any experience available on this?
>> <WL
>> ##  per software,  Trylon self support  towers will  fail  at the junction  of the 4th  and  5th  section..... 40’  above ground.
>> UST  designs a weak  spot.... which  is  midway  up  the  3rd  section...  46.5  feet  above ground.
>> ##  Never seen  a pix  of  either  tower folded  over... as  depicted  above.    40  ft...and  46.5 ft.   So dont  know if  their
>> design theory  works....or not.
> 
> It doesn't have to be a specially designed weak spot. Towers tend to bend/buckle in the middle anyway.
> 
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