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Re: [TowerTalk] HDBX-48 figures for 90 mph zone

To: Gene Fuller <>
Subject: Re: [TowerTalk] HDBX-48 figures for 90 mph zone
From: Ken <>
Date: Wed, 7 Dec 2011 11:30:26 -0500
List-post: <">>
On Dec 7, 2011, at 10:56 AM, Gene Fuller wrote:

> Bottom line, if the manufacturer can't, or won't, give you 90 mph data or at 
> least the projected tower area and, taking into account the materials used, 
> the maximum allowable restraining moment, then they probably know nothing 
> about things like section modulus and moment of inertia and never did the 
> calculations themselves, in which case I would have second thoughts about 
> buying their tower.
> Gene / W2LU

Well I suspect Rohn knows what they are doing.   They DO give 70, 80, 90 mph 
ratings for the G series of towers, but not the BX series.   Maybe they do know 
what they are doing...and know that the numbers for 90 mph are not good.


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