[TowerTalk] [MWA] OH8X 80-160 monster tower collapses

[Djordan (personal)]

I wonder what the original design spec was for the system 75mph or 100mph... Wonder what the cost differential would have been to raise the spec 25 mph.  

73
Dave
Wa3gin

Sent from my iPad

Be Prepared Stay Prepared

> On Dec 10, 2013, at 8:11 AM, "K5JZ" <k5jz at bellsouth.net> wrote:
> 
> As I understand it, the system that was engineered to point the array in the direction of the least amount of wind drag failed and the system corkscrewed and collapsed the array upon itself.
> 
> 73,
> George K5JZ
> 
> ----- Original Message ----- From: "Kelly Taylor" <ve4xt at mymts.net>
> To: "Minnesota Wireless Association" <mwa at w0aa.org>; "TCDXA" <TCDXA-list at tcdxa.org>; "Tower Talk" <towertalk at contesting.com>
> Sent: Monday, December 09, 2013 12:30 PM
> Subject: Re: [TowerTalk] [MWA] OH8X 80-160 monster tower collapses
> 
> 
>> I offer my condolences to Radio Arcala, but I have a question about that
>> explanation: shouldn't the engineering of the tower system have accounted
>> for the possible failure of a windload-mitigation system?
>> 
>> Does anyone know: was it insured?
>> 
>> 
>> 
>> 73, kelly
>> ve4xt
>> 
>> 
>>> On 12/9/13 11:43 AM, "Larry Menzel" <pensionguy at gmail.com> wrote:
>>> 
>>> A sad day in Finland, the fantastic, now doomed, 330ft monster tower for 80
>>> and 160 had a catastrophic failure during a high wind storm in September.
>>> Apparently the engineering spec called for an automated feature to turn the
>>> massive array for minimum windload failed, allowing the whole structure to
>>> "corkscrew" and collapse on itself.
>>> 
>>> Here's a link: http://dx-world.net/2013/oh8x-tower-collapse/
>>> 
>>> Larry, W0PR
>>> _______________________________________________
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>>> To post a message: MWA at w0aa.org
>>> List Help: http://mail.w0aa.org/mailman/listinfo/mwa_w0aa.org
>>> MWA Official Web Site:  http://www.w0aa.org
>>> 
>> 
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