Tony,
Can you run two rigid pipes back to the 9 foot shed, to form a triangular
structure? I did that with my tall wood stove chimney years ago, and it has
survived a number of 90mph wind gusts.
You would get more leverage with the pipe back-stays if you put the concrete
base a ways away from the shed, and if the shed is long enough to allow the
connections to be spaced far apart.
Of course the shed needs to be sturdy as well! But the rigid pipes will
work in both compression as well as tension, which the guys cannot.
73,
Steve
N6SJ
-----Original Message-----
From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of Ron Gorski
Sent: Saturday, October 24, 2020 5:21 PM
To: 'Tony' <73guddx@gmail.com>; TowerTalk@contesting.com
Subject: Re: [TowerTalk] Low Cost 20 Foot Mast
Procure a 10ft TV tripod into which you insert a Rohn push-up mast. That
will easily get you 15+ ft above the shed roof.
N9AU
-----Original Message-----
From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of Tony
Sent: Saturday, October 24, 2020 8:07 PM
To: TowerTalk@contesting.com
Subject: [TowerTalk] Low Cost 20 Foot Mast
All:
I'm looking for a low-cost 20 foot mast that can handle a modest 2 meter EME
setup. The mast will be cemented in place and attached to the side of a 9
foot tall shed for support. I can't anchor guy wires to the ground, but I
can run a couple to the shed.
The challenge is home brewing something that can handle the weight of the
azimuth and elevation rotors mounted at the top so the mast.
I thought of threaded galvanized pipe sections, but they are a bit pricey.
Also thought of 2 inch schedule 40 PVC with some kind of internal support to
make it more rigid.
Any suggestions?
Tony
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