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[TowerTalk] Tower Bases

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Subject: [TowerTalk] Tower Bases
From: (Chris BONDE)
Date: Thu Feb 27 12:11:36 2003
I think that you should look at this a bit more.  It deserves 
research.  But you will have some say that if it were so good why wasnot it 
done before?  Well, why do we have VHS instead of Beta whcih was 
better?  Why did it take so long to reach the CD over the magnetic disc or 

I have seen about 18ft temp lamp standard based upon this idea.  The whole 
thinb foldered up into a pakage about 12 ft long.  Three parts foled down 
to make the base, guys up to about 12ft from ends of about 10ft three stick 
foot, another piece pushed up at the top.  So the bottom was a bit of a 
pyrimid with a flag out the top.  Long rods where driven into the ground at 
the end of each pod to hole it still.

Chris opr VE7HCB

At 07:43 AM 2003-02-27 +0000, Tim Makins, EI8IC wrote:
>Many years ago, at school, I remember seeing the illustration of how you
>could move the world if you had a long enough lever. It occured to me
>recently that the same idea could be used to construct self-supporting tower
>bases, but, as I'm not an engineer, I thought I'd come to Towertalk to be
>proved wrong.
>The idea is: Instead of the usual cube of concrete, how about using a
>horizontal cross. Maybe 2 feet deep, and 2-3 feet wide, with an internal
>rebar cage to prevent snapping. The length of each arm of the cross to be
>determined by whatever formulas you guys use - I was thinking along the 12
>foot mark, as a discussion-opener.
>You will note that I haven't mentioned tower height, as obviously all the
>parameters inter-relate. If you must have a figure, lets say 40-60 feet.
>The reason for this ? Well, I was thinking 'outback', and 'developing world'
>here, where a mechanical digger isn't always available. Easier to dig slit
>trenches than a big pit. Less problems from cave-in too.
>Sit down, take one of these beers, and discuss.
>73s, Tim EI8IC

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