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Total 2 documents matching your query.

1. [TowerTalk] Help with calculations... (score: 1)
Author: "Ray, W4BYG" <w4byg@att.net>
Date: Tue, 17 Sep 2013 11:20:40 -0400
I have a 64' aluminum 14"/18" tower with a steel hinged base. I have previously raised and lowered it several times with 16' ground mounted, back guyed gin pole and HD block and tackle, pulled by my
/archives//html/Towertalk/2013-09/msg00200.html (7,994 bytes)

2. Re: [TowerTalk] Help with calculations... (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Tue, 17 Sep 2013 10:30:58 -0700
It's not too difficult since you don't need to calculate the stress in the tower and assume it is strong enough to handle the lifting force. 1. Calculate the moment arms for the tower only. Either as
/archives//html/Towertalk/2013-09/msg00204.html (12,292 bytes)


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