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[TowerTalk] RE:Questions

To: <towertalk@contesting.com>
Subject: [TowerTalk] RE:Questions
From: jmowery@nswc.navy.mil (jmowery@nswc.navy.mil)
Date: Mon, 9 Apr 2001 08:14:24 -0400

The book that I have lists "typical 6061-T6" as having the following:

Tensile Strength = 45,000 psi
Yield Strength = 40,000 psi
% Elongation = 15

Best bet is to get the data from the manufacturer.  Your supplier will
have data sheets that will give this information.




|--------+----------------------->
|        |          K7LXC@aol.com|
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|        |          04/06/01     |
|        |          06:07 PM     |
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  |                                                                             
                           |
  |       To:     JClymerjr@aol.com, towertalk@contesting.com                   
                           |
  |       cc:     (bcc: Joseph Mowery/N13/N10/NDept/NSWCDD)                     
                           |
  |       Subject:     Re: [TowerTalk] RE:Questions                             
                           |
  
>--------------------------------------------------------------------------------------------------------|





In a message dated 4/6/01 10:19:05 AM Pacific Daylight Time,
JClymerjr@aol.com writes:

> For those interested in Gripples, please see:
>  http://www.gripple.co.uk/indust/index.htm.

    This is a UK idea that Rohn looked at several years ago. I don't remember
if it'll handle EHS but hams will NEVER use this system because you need to
buy the terminations and a special tool.
>
>  With regard to my question about the "bending moment" of 6061-T6 aluminum,
>  what I was actually looking for was the approx. yield strength of 2" O.D.,
>  .375 wall, round aluminum tubing.

    6061-T6 has a yield strength of 35,000 psi. The figure is for the
material so the particular configuration has little to do with it.

Cheers,    Steve    K7LXC
Tower Tech

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List Sponsor:  ChampionRadio.com - Trylon self-supporting towers,
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http://www.championradio.com

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