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Re: [TowerTalk] Luso Tower/wind load rating

To: atrampler@att.net
Subject: Re: [TowerTalk] Luso Tower/wind load rating
From: jimlux <jimlux@earthlink.net>
Date: Sun, 15 Nov 2009 09:23:20 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
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.
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