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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+I\s+Beam\s+Base\s*$/: 2 ]

Total 2 documents matching your query.

1. [TowerTalk] I Beam Base (score: 1)
Author: Wilson Lamb <infomet@embarqmail.com>
Date: Sat, 27 Jan 2018 13:08:53 -0500 (EST)
WOW, what an appealing idea! It's fun to be on here and see such things pop up! Imagine an antenna dragging at 200 lb, 100' up, and you have 20K ft lb at the base. Then add for tower, a few times tha
/archives//html/Towertalk/2018-01/msg00264.html (7,108 bytes)

2. Re: [TowerTalk] I Beam Base (score: 1)
Author: jimlux <jimlux@earthlink.net>
Date: Sat, 27 Jan 2018 10:58:07 -0800
so you need 1000 lbs at the end of the upwind leg. Most any earth anchor will do that. Then add for tower, a few times that, and you get an idea of the overturning moment range. Then it occurs to you
/archives//html/Towertalk/2018-01/msg00265.html (8,183 bytes)


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