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1. [TowerTalk] Rotating tower failures ? (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Mon, 9 Sep 2019 04:17:49 -0700; <PiRod does not approve of rotating towers (the steel tower cork screws) - <which is a significant problem. Rohn towers (pipe vertical legs) are worse. <73 <Tim K3LR## Has a rotating tower ever colla; /archives//html/Towertalk/2019-09/msg00242.html (8,015 bytes)
2. Re: [TowerTalk] Rotating tower failures ? (score: 1): Author: N4ZR <n4zr@comcast.net>; Date: Mon, 9 Sep 2019 07:52:49 -0400; I believe that was the failure mechanism in the wind-induced collapse of K4JA's 200-foot AB-105 tower used for his stack of 40M beams. I worked (in a minor way) on the replacement with heavy-duty AB; /archives//html/Towertalk/2019-09/msg00244.html (8,738 bytes)

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