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[TowerTalk] torque arms vs. pier pin

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Subject: [TowerTalk] torque arms vs. pier pin
From: ke3q@erols.com (Richard Boyd)
Date: Sat, 15 Aug 1998 02:17:35 -0400
>From what I've heard a pier pin base is a more effective way of addressing
unwanted torque, twisting, stress on welds, etc. in a tower...in severe
winds let the tower turn as it will on a pier pin.  Of course it won't turn
far with the guys restraining it, but much or most of the torque on the
stress will be handled harmlessly.

The main and/or only disadvantage of a pier pin base, as I understand it, is
the necessity of temporary guys during installation of the first few
sections, until you get to the first permanent guy level.  73 - Rich, KE3Q

As always, I reserve the right to be wrong.


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