[TowerTalk] Tower collapses as its built.

Fernando Semiao amfone at gmail.com
Sun Dec 1 20:15:22 EST 2024


Thank you.....Now do a full report on it based on a youtube video and 
sent it to the insurance company.

On 12/1/2024 8:07 PM, john at kk9a.com wrote:
> At some point after the jib bent 90° the strap(s) must have broke.  The
> tower crashed to the ground but the crane ball was left swinging around in
> the air which is also a dangerous situation.
>
> John KK9A
>
>
> Matt KM5VI
>
> If the video is advanced frame-by-frame at about 7 to 8 seconds the jib can
> be seen to deflect downwards continuously until failure occurs.   If the
> strap broke first, the jib reaction prior to failure would have been upwards
> in the opposite direction due to the instant release of bending tension.
> The full counter-reaction of the boom goes off screen at about 9 seconds as
> the camera follows the fall of the tower section, but reappears at 11 to 13
> seconds when reverse curvature of the boom from the counter-reaction is
> visible through the first boom oscillation.
>
> Matt
> KM5VI
>
> -----Original Message-----
> From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of Fernando
> Semiao
> Sent: Sunday, December 1, 2024 4:55 AM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Tower collapses as its built.
>
>
> Sorry you are very wrong, was you there? It was the choke strap that give
> away., don,t ask me how i know....Its very sad you ham's keep inventing crap
> no wonder hams have a bad name. You and allot of hams folks see shit on this
> video.... thats what you seen  Oh sorry tomorrow its the hole crane fell
> sideways.
>
>
> On 11/30/2024 3:34 PM, Jim W7RY wrote:
>> Heck with the strap....
>> n
>> The entire TOP JIB broke in two.
>>
>> Jim W7RY
>>
>>
>> On 11/30/2024 1:08 PM, Steve Jones wrote:
>>> Looks like the cable was not attached to the tower properly.  I think
>>> I could see the strap around the upper section break.
>>> 73,
>>> Steve
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of
>>> john at kk9a.com
>>> Sent: Thursday, November 28, 2024 9:25 PM
>>> To: towertalk at contesting.com
>>> Subject: [TowerTalk] Tower collapses as its built.
>>>
>>> The video short linked below from HamRadioClubLuzerneCoPA happened to
>>> pop up on my computer today.  That installation became very
>>> dangerous. I wonder if anyone knows the details?  Hopefully there
>>> were no injuries.
>>>
>>> https://www.youtube.com/shorts/Gm-bq3ynSuU
>>>
>>> John KK9A
>>>
>
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