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1. [TowerTalk] Calculating load when raising tower (score: 1): Author: Alfred Frugoli <ke1fo@arrl.net>; Date: Thu, 13 May 2010 15:10:18 -0400; Hello Everyone, Is there a simple equation for figuring out the forces that would be experienced in tilting up a tower? I'm buliding a raising fixture, and want to make sure that pulleys and the winc; /archives//html/Towertalk/2010-05/msg00265.html (7,599 bytes)
2. Re: [TowerTalk] Calculating load when raising tower (score: 1): Author: "knormoyle@surfnetusa.com" <knormoyle@surfnetusa.com>; Date: Thu, 13 May 2010 22:13:41 -0700; It's easy or complicated, depending on your point of view. Here's a quickee estimate. You can sum up the point loads of the antenna, rotor, mast, and multiply that by 35/30 to get the vertical liftin; /archives//html/Towertalk/2010-05/msg00270.html (11,518 bytes)
3. Re: [TowerTalk] Calculating load when raising tower (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Fri, 14 May 2010 03:58:50 -0400; On 5/14/2010 1:13 AM, knormoyle@surfnetusa.com wrote:<snip> Not very! Not very strong that is. Done wrong a 40-50' tower with antenna can wreck a whole wall. And those forces are different at every p; /archives//html/Towertalk/2010-05/msg00271.html (11,889 bytes)

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