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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+\'falling\s+derrick\'\s+tower\s+erection\s*$/: 3 ]

Total 3 documents matching your query.

1. [TowerTalk] 'falling derrick' tower erection (score: 1): Author: "Jim Jarvis" <jimjarvis@comcast.net>; Date: Mon, 29 Mar 2004 11:32:42 -0000; Gerry Mathis, W3GM, used a slightly more formal version of this system with multiple 100' rohn 25 towers at his station. The towers were guyed 4 way instead of 3, and the "back" guyset was attached t; /archives//html/Towertalk/2004-03/msg00631.html (7,756 bytes)
2. RE: [TowerTalk] 'falling derrick' tower erection (score: 1): Author: "Richard Karlquist" <richard@karlquist.com>; Date: Mon, 29 Mar 2004 08:49:28 -0800; Anyone have a pointer to this published design? I've been trying to figure out clever ways to do this. Rick N6RK _______________________________________________ See: http://www.mscomputer.com for "S; /archives//html/Towertalk/2004-03/msg00636.html (7,437 bytes)
3. Re: [TowerTalk] 'falling derrick' tower erection (score: 1): Author: Bob Nielsen <nielsen@oz.net>; Date: Mon, 29 Mar 2004 10:09:24 -0800; Possibly a pantograph? Sounds complicated with the stresses involved. _______ _|_ / / / / / / / / / / /_ / -- Bob, N7XY _______________________________________________ See: http://www.mscomputer.com; /archives//html/Towertalk/2004-03/msg00640.html (8,083 bytes)

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