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[Towertalk] Rohn 25

To: <towertalk@contesting.com>
Subject: [Towertalk] Rohn 25
From: K7LXC@aol.com (K7LXC@aol.com)
Date: Thu, 9 May 2002 17:27:59 EDT
In a message dated 5/9/02 10:31:05 AM Pacific Daylight Time, 
JPERALTA@tampabay.rr.com writes:

> I had been asking around the local Amateur Radio community to see if anyone 
> had 
>  any Rohn 25 tower sections that were excess to their needs. One of the 
guys 
>  came by this weekend and dropped off a section that he had just taken down 
> from 
>  another Ham's tower. The section is in good shape except were the previous 
>  owner had drilled a 1/4" hole in one leg about 6 to 8 inches above what 
> would 
>  be the bottom side. The hole goes through both sides of the leg.
>  
>  Should I be concerned that this section has been weakened enough to create 
a 
>  safety issue?

    Probably not. While a hole like that is a stress-riser and potential 
failure mode, it'd have to be a pretty big load and wind force to get the leg 
to collapse at that point. 

    You could put a snug bolt thru it to reinforce it somewhat.

Cheers,
Steve     K7LXC
TOWER TECH 

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