Boy is there a lot of misinformation here.
Glenn, VA7UO
Sent from my iPhone
> On Jul 8, 2019, at 10:36 AM, jimlux <jimlux@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@embarqmail.com>
>> To: undefined <towertalk@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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