Ken
My first tower was a 50 foot crank-up crank-over by E-Z-Way.?? It mounted on a
steel pole...? roughly?10-12 inches in diameter.? 9 feet or so above ground
level that connected to the tower?via a hinge.? It went?a it over 4 feet into
the ground.? There were 4 plates welded at right angles at the?bottom and
a?foot below ground level.? It worked fine with a Classic 33 tri-bander.? I'd
think that pipe of yours is plenty, even if not structural steel.
73 de Bill
K2EK?
-----Original Message-----
From: KLM <cassrvp@telus.net>
To: towertalk@contesting.com
Sent: Sat, 3 Nov 2007 11:32 am
Subject: [TowerTalk] congrete filled steel for tower base
Hi all, I have a tr ex 51' crank up I am going to srrect. I live a long way
from
any concrete supply and am looking for a way around the big expense of
delivery.
Earlier, I salvaged a large steel tube 24" across with 5/8" walls by 20' long.
from another project. It is already filled with concrete. My plan is to auger a
24" hole in the ground as deep as possible (6 to 8') , cut the tube, insert it
and use it for my base. I would weld brackets directly to the 5/8 plate on the
top to bolt the legs to. I could mix enough concrete for a shallow pad around
it. What do you think of this idea? the tower would be directly grounded
through
the tube right into the water table. Is there a concern for lightning strikes
in
the base or any other potential problems anyone can see? It would certainly be
grounded well ! ...any guidance appreciated.
TNX in advance
Ken
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