Tashjian as adopted the new standard for wind load that
specifies peak wind speed (gusts). US Tower is still
using the older "60 second average" wind ratings.
If I recall correctly, the 85 MPH gust rating is equivalent
to about 60 MPH "sustained" wind.
73,
... Joe, W4TV
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Gary Slagel
> Sent: Friday, January 25, 2008 12:16 PM
> To: TOWERTALK@contesting.com
> Subject: [TowerTalk] TX-455 versus LM-354 tower
>
>
> Looking at the specs for the Universal Towers TX-455
> versus the Tashijian LM-354 tower they are very
> similar. Same height, same weight, etc. However the
> LM-354 is rated at 23 sqft load at 85mph while the
> TX-455 is rated at only 12.3 sqft at 70mph.
>
> I wonder if there is a good reason the LM-354 is rated
> higher or if it may be exagerating its limits?
>
> Thanks for any input,
> Gary
>
> Gary Slagel/N0SXX
> Lakewood, CO
> http://marina.fortunecity.com/sanpedro/351
>
>
>
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