Greetings Dick W5AA & TowerTalkians:
Did anyone entirely translate the spec information contained in the
posting below? I remember a single posting from K7LXC indicating that
maybe the pipe was maybe a sched 40 and not strong enough. I was
expecting (and hoping for) a lesson on how to translate the coding.
73 Pete K4LDR Citrus County, FL
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From: Richard J Brown <rjbro@MISNET.COM>
To: towertalk@contesting.com <towertalk@contesting.com>
Subject: [TowerTalk] mast strength.
To: <towertalk@contesting.com>
Date: Thursday, January 28, 1999 20.21
I have a twelve foot long piece of galvanized pipe I want to use for
a mast. On the pipe is stamped in red ---
" Wheatland cbw rn 1176 cbw rm 1504 astm A53 -f- gra 40 A 21 foo
32698 DI." This has an outside Diameter of one and three quarter
inches. It just does fit through the rohn 2" thrust bearing... I
want to use it to mount a beam with a 4.9 square foot wind surface
at the top of the mast pipe which is sticking ten feet out of the
top of a flat top rohn 25 top section with the rohn thrust
bearing on the flat top and a rotor in the usual place. How much wind
would it take to bend this pipe??
Thanks Dick W5AA
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