[TowerTalk] Limitation on tower width. Was: Revocation ofBuilding Permit?

[Alan C. Zack]

Yes, but US Towers will not provide UBC-2000 90 MPH wind calcs for ANY 
tower they manufacture.

Richard (Rick) Karlquist (N6RK) wrote:

> I just looked over the calcs on the HDX-5106 and I
> would estimate that it is not capable of 90 MPH
> cranked up (extrapolating from 50 and 70 MPH numbers).
> That is why IMHO they won't do the 90 MPH calcs.
> You would have to delete the top section (making it
> into an HDX-689) to have a chance at 90 MPH.  
> 
> Unfortunately, there is no provision in UBC for 
> crank up towers that are lowered during high winds.
> 
> Rick N6RK
> 
> 
>>perspective buyers.  Their specs are to UBC-97 70 MPH wind calcs.  I 
>>tried for months to get 90 MPH wind calcs from them and was finally 
>>told they were not possible.
>>
>>
> 
> 

-- 
__________________________________________________________________________ 

Alan Zack
Amateur Radio Station K7ACZ
Las Vegas, Nevada, USA
Quality Engineer, The Boeing Company, Retired
Aviation Chief Warrant Officer, U.S. Coast Guard, Retired
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