Check out the basic strength of the steel used for the two towers. Several
years ago, before Tashjian took over the sale of the Triex line, the steel
used was changed and claimed to be considerably stronger than previous.
k7puc
----- Original Message -----
From: "Joe Subich, W4TV" <w4tv@subich.com>
To: "'Gary Slagel'" <gdslagel@yahoo.com>; <towertalk@contesting.com>
Sent: Friday, January 25, 2008 9:47 AM
Subject: Re: [TowerTalk] TX-455 versus LM-354 tower
>
> 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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>>
>
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