[TowerTalk] Luso Tower/wind load rating

jimlux jimlux at earthlink.net
Sun Nov 15 09:23:20 PST 2009


Art Trampler wrote:
> OK, am I missing something here?  If I am understanding how Luso states the wind load ratings on its “smaller” towers, they are rated at 
> 
>  
> 
>  
> 
> 53.8 sq.ft. (Maximum wind speed: 25 m/seconds at full extension) 53.8 square feet at only 56.25 MPH wind.
> 
>  
> 
> 25 * 3.3 (approximate feet in a meter) * 3600 / 5280 = 56.25 MPH.
> 
>  
> 
> So, in rough terms, rating at 80 mph is about 40% greater wind speed, so the rating at 80 mph would be about 20 square feet (.6 * .6 * 53.8)?
> 
>  
> 
> That seems awfully low…what am I missing?
> 
>  



my math comes out slightly different (56.25/80 = 0.7), so the rating is 
going to be half the area.. 20ish square feet.


More information about the TowerTalk mailing list