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[TowerTalk] 40 Meter Vertical Construction

To: "''" <>
Subject: [TowerTalk] 40 Meter Vertical Construction
From: "Macie, Gordon" <>
Date: Fri, 7 Nov 2003 17:17:26 -0500
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I am building a 40 meter 4-square. I have decided to build it with aluminum
from Texas Towers. The bottom section will be 1.625 and reduce 1/8 per
section above that with the top peice being .875. How much do I need to
overlap or telescope into each section for mechanical strength ??.. I am
thinking 6 to 12 inches. 

Blurb below from Texas Towers web site.
6063-T832 Drawn Aluminum Tubing 
Typical yield strength of 40,000 psi. The chart shows all available
telescoping sizes which are specifically designed to fit together precisely,
making antenna construction easy, while offering professional results.

Gordon N4LR


See:  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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