Hello John
You can get a close approximation by using this free online tool:
https://www.dxengineering.com/mastloadestimator
73
Tim K3LR
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of John
Santillo
Sent: Tuesday, July 05, 2016 8:49 PM
To: towertalk@contesting.com
Subject: [TowerTalk] Tower Mast Wind Loading
Hello,
I've volunteered to help out a friend of mine with a mast length vs. wind
loading question.
If I have a 2" diameter Chromoly Steel mast with a 0.25" wall thickness that
is 16 feet long (4 feet nested in the tower) sitting on top a HDX-555 tower,
how "safe" are we from this mast folding over with the following antennas
mounted to the mast at 80MPH?
Antenna #1 will be 1 foot above the thrust bearing and is 5.5 FT2
Antenna #2 will be 6 feet above the thrust bearing and is 2.9 FT2
Antenna #3 will be 10 feet above the thrust bearing and is 1.21 FT2
Antenna #4 will be 12 foot above the thrust bearing and is 0.42 FT2
Thanks for any help you can provide.
73,
John
N2HMM
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