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[TowerTalk] Question about Mast Yield Strength

To: <towertalk@contesting.com>
Subject: [TowerTalk] Question about Mast Yield Strength
From: K7LXC@aol.com (K7LXC@aol.com)
Date: Mon, 7 May 2001 16:06:29 EDT
In a message dated 5/7/01 12:52:57 PM Pacific Daylight Time, 
n2mg@contesting.com writes:

> Personally, I would avoid using aluminum in a 
>  situation like a mast that sticks out far above a 
>  tower.  The aluminum "work hardens" (I'm sure there's 
>  a scientific term for this) with time as it bends back 
>  and forth.  It then becomes brittle and breaks easily -
>   just like what happens a lot to aluminum antenna 
>  elements.  Steel does not have this characteristic.

    Plus the steel tube is MUCH STRONGER.

Cheers,   Steve   K7LXC
Tower Tech

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