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Total 7 documents matching your query.

1. [TowerTalk] Rohn HDBX48 failure (score: 1): Author: Doug Renwick <ve5ra@sasktel.net>; Date: Wed, 13 Apr 2005 12:03:27 -0600; Interesting. I see that the specs. for a HDBX48 are a 18 sq. ft antenna max. at point 3 ft above the apex of the tower for a 70.7 mph wind . With a note: "antennas developing a large twisting moment; /archives//html/Towertalk/2005-04/msg00430.html (11,597 bytes)
2. Re: [TowerTalk] Rohn HDBX48 failure (score: 1): Author: "Keith Dutson" <kjdutson@earthlink.net>; Date: Wed, 13 Apr 2005 13:41:00 -0500; Friend here had one with KLM KT34 on top. Antenna was rotated by long mast to rotator mounted at base. No torque from antenna was transmitted to tower. Worked flawlessly through several bad storms he; /archives//html/Towertalk/2005-04/msg00432.html (12,130 bytes)
3. Re: [TowerTalk] Rohn HDBX48 failure (score: 1): Author: Chuck Sudds <chuck@dxham.net>; Date: Wed, 13 Apr 2005 14:38:33 -0500; OK. Here are the dirty details, as I remember them from 7-9 years ago.... Put up the HDBX48 in 1993 with a huge concrete base. I am in Western Iowa and out in the middle of 10,000 acres of corn field; /archives//html/Towertalk/2005-04/msg00438.html (13,151 bytes)
4. Re: [TowerTalk] Rohn HDBX48 failure (score: 1): Author: "Roger K8RI on Tower" <k8ri-tower@charter.net>; Date: Wed, 13 Apr 2005 16:35:27 -0400; <snip> HDBX48 metal on one leg! This caused the tower to actually fold over at the 6ft level, right where the new rotor plate was mounted! Had I mounted right at ground level, there is a chance, I gu; /archives//html/Towertalk/2005-04/msg00444.html (11,637 bytes)
5. Re: [TowerTalk] Rohn HDBX48 failure (score: 1): Author: Steve Maki <steve@oakcom.com>; Date: Wed, 13 Apr 2005 17:34:59 -0400; Actually, there's a lot of cushion provided by a long mast. I had an extended guyed 72' HDBX style tower in the 60s, with the rotator a couple feet off the ground, rotating a 4 el tri-band quad throu; /archives//html/Towertalk/2005-04/msg00447.html (10,279 bytes)
6. Re: [TowerTalk] Rohn HDBX48 failure (score: 1): Author: Dave Jordan <wa3gin@erols.com>; Date: Wed, 13 Apr 2005 18:52:09 -0400; IF anyone would like to see jpg of base mounted rotor email me direct. 73, dave wa3gin _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wi; /archives//html/Towertalk/2005-04/msg00453.html (12,753 bytes)
7. Re: [TowerTalk] Rohn HDBX48 failure (score: 1): Author: Doug Renwick <ve5ra@sasktel.net>; Date: Wed, 13 Apr 2005 21:09:40 -0600; Thanks Chuck for the details. From your description the destruction was initiated by a guy failure, possibly the guy sawing through the tower leg. As Jim notes, the use of a proper guy bracket with a; /archives//html/Towertalk/2005-04/msg00460.html (12,469 bytes)

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