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[TowerTalk] Taper schedule for free-standing verticals?

To: <towertalk@contesting.com>
Subject: [TowerTalk] Taper schedule for free-standing verticals?
From: K7LXC@aol.com (K7LXC@aol.com)
Date: Tue, 9 Jan 2001 08:59:09 EST
In a message dated 1/9/01 4:11:28 AM Pacific Standard Time, n4kg@juno.com 
writes:

> To arrive at a self supporting design you will need to perform
>  a bending moment analysis.  This gets extremely complex
>  for a multiple size tapered element.  I performed such an
>  analysis for 20M elements using a spread sheet with the
>  appropriate formulas for each section and checking each
>  piece to be sure that the maximum bending moment at
>  each section was within the ratings for that section.
>  You will need good computer skills, good math skills,
>  and a lot of time to program 20 or more sections!

    Maybe Kurt, K7NV's Yagi Stress program might be useful for this bending 
moment exercise. He has a web site but I don't have the address offhand.

Cheers,   Steve    K7LXC
Tower Tech 

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