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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