Clay,
I had two 40 foot poles installed in my back yard. The only thing I can
add is be sure you have in mind a way to make sure the poles are vertical.
I didn't and both poles are atilt by about 5 degrees. Fortunately they are
used to support the lanyard ropes holding up my 4-square array; not beams.
73,
Kris, N5KM
Message: 1
Date: Tue, 3 Jun 2014 15:15:05 -0700
From: "Clay Jackson" <n7qnm-lists@nwlink.com>
To: "'towertalk reflector'" <towertalk@contesting.com>
Subject: [TowerTalk] Utility Pole as Beam Support
Message-ID: <050a01cf7f79$462f0250$
d28d06f0$@nwlink.com>
Content-Type: text/plain; charset="us-ascii"
I just "inherited" a 50' (out of the ground, 6' buried) utility pole (crew
was taking it out and told me that if I'd drag it off the road, I could have
it).
I'm thinking about trying to find a rotator and tri-bander to put on top of
it; but, having no experience with such a setup; I thought I'd seek some
advice first.
So, a few questions.
I'm sure someone has done this before; would you be able to share your
experiences?
I have a friend who can weld anything from steel to aluminum and so I think
we can fab up a mount for the rotor.
Beyond that, thoughts would be appreciated on things like:
Wind loading - how many sq ft (if any) is reasonable before I have to use
guys (for my HyGain AV18HT the building dept made me engineer the base for
90K winds, WITH a "wet stamped" drawing)?
Base - is a 6' hole filled with dirt "good enough" or do I need something
more (if more, would a 6' hole with concrete be sufficient)?
Thanks in advance!
Clay
N7QNM
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