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[TowerTalk] Rohn questions

To: <towertalk@contesting.com>
Subject: [TowerTalk] Rohn questions
From: johnfarr@ro.com (John D. Farr)
Date: Thu, 9 Apr 1998 01:25:47 -0500

>In a message dated 98-03-26 18:45:00 EST, you write:
>
>> Here are my unanswered questions.  These are related to Rohn 45.
>
>      I just checked my outgoing mailbox and they still looked unanswered -
>sorry.
>>
>>  Since Rohn's wind loads are substantially higher for a house bracketed
70'
>>  tower (at 56' and 28') (32 sq. ft. at 70 mph) than a tower with their
two
>>  recommended guys at 35' and 65' (9.5 sq. ft. at 70 mph assuming tower
has 8
>> sq.
>>  ft. for sidearms and 6 transmission lines coming up the sides), how much
>> extra
>>  wind load, if any, would be gained by using 3 guys at 23' increments?
>>
>      Kinda inconsistent, eh? I really don't know why the discrepancy
unless
>they consider a building to be stronger than sets of guys - hi.
>

It might be that the portion of tower that is next to the building is not
exposed to the wind that a guyed tower would experience.

73
John
KC4ZXX


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