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Total 12 documents matching your query.

1. wind force design criteria (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Sun, 4 Aug 1996 14:37:17 -0400; Hi, Charlie -- It's listed in the EIA/TIA-222-E and F, the newest revision effective June 1, 1996. I have copies and am happy to look them up for interested folks. My plan is to get my Tower Tech web; /archives//html/Towertalk/1996-08/msg00032.html (8,524 bytes)
2. wind force design criteria (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Mon, 5 Aug 1996 14:36:36 -0700 (PDT); Steve: a number of times I've seen references ON A COUNTY basis to Since 70 mph is the minimum listed wind velocity for ANYWHERE in the US, how come crankup towers are always rated for 50 mph? I thin; /archives//html/Towertalk/1996-08/msg00054.html (9,210 bytes)
3. wind force design criteria (score: 1): Author: Henry Knoll <Henry.Knoll-1@tc.umn.edu> (Henry Knoll); Date: Mon, 5 Aug 1996 18:51:50; On Mon, 5 Aug 1996 14:36:36 -0700 (PDT), w7ni@teleport.com wrote... else. local; /archives//html/Towertalk/1996-08/msg00057.html (9,597 bytes)
4. wind force design criteria (score: 1): Author: Henry Knoll <Henry.Knoll-1@tc.umn.edu> (Henry Knoll); Date: Tue, 6 Aug 1996 08:40:06; On Mon, 5 Aug 1996 14:36:36 -0700 (PDT), w7ni@teleport.com wrote... Stan, the 70 mph wind data for crank-towers has been published for many years. See the article by Roger Cox at Telex in the June 19; /archives//html/Towertalk/1996-08/msg00060.html (8,195 bytes)
5. wind force design criteria (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Tue, 6 Aug 1996 12:02:54 -0400; Henry -- Thanks for pointing this out; I haven't seen it. Could someone please send me a copy of it? Will be happy to pay postage and copying. Tnx. 73, Steve K7LXC; /archives//html/Towertalk/1996-08/msg00061.html (7,827 bytes)
6. wind force design criteria (score: 1): Author: cookar2@btlip16.bt.co.uk (Cook, Andy, COOKAR2); Date: Tue, 06 Aug 96 17:22:00 UCT; For interest - in the UK, most of the towers are crank-up / tilt-over and the standard ratings are published at 85 mph. As an example, my 18m (heavy-duty) tower is rated to 11.5 sq ft at 85mph unguye; /archives//html/Towertalk/1996-08/msg00062.html (8,189 bytes)
7. wind force design criteria (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Wed, 7 Aug 1996 02:41:35 -0700 (PDT); Now these sound like reasonable ratings. Crankup manufacturers in the US should follow the UK example. Stan w7ni@teleport.com; /archives//html/Towertalk/1996-08/msg00069.html (7,862 bytes)
8. wind force design criteria (score: 1): Author: Henry Knoll <Henry.Knoll-1@tc.umn.edu> (Henry Knoll); Date: Wed, 7 Aug 1996 10:21:32; On Wed, 7 Aug 1996 02:40:37 -0700 (PDT), w7ni@teleport.com wrote... The manufacturers will give you this info if you ask for it. Any tower will come down at SOME wind speed. 73 Henry WA0GOZ; /archives//html/Towertalk/1996-08/msg00073.html (7,821 bytes)
9. wind force design criteria (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Mon, 12 Aug 1996 12:25:42 -0700 (PDT); Yes, but the POINT is (gee, do I REALLY have to state it?) that a free standing, extended crankup will come down at a MUCH LOWER wind speed than most people would think. An HONEST manufacturer would; /archives//html/Towertalk/1996-08/msg00112.html (7,939 bytes)
10. wind force design criteria (score: 1): Author: Henry Knoll <Henry.Knoll-1@tc.umn.edu> (Henry Knoll); Date: Mon, 12 Aug 1996 16:49:20; On Mon, 12 Aug 1996 12:25:42 -0700 (PDT), w7ni@teleport.com wrote... I don't agree. That's your supposition. All tower manufacturers give you this info. If you want it (and you should) before buying,; /archives//html/Towertalk/1996-08/msg00119.html (8,277 bytes)
11. wind force design criteria (score: 1): Author: kg5u@hal-pc.org (Dale Martin); Date: Mon, 12 Aug 1996 22:24:37 -0500; Case in point: The club station at work had a 51' crank-up. On it we had a 5 element, 10m beam, a TA-33 tribander (KN5H: help me if you are subscriber; I forgot!!), and a Ringo Ranger. It was such a; /archives//html/Towertalk/1996-08/msg00123.html (9,157 bytes)
12. wind force design criteria (score: 1): Author: Henry Knoll <Henry.Knoll-1@tc.umn.edu> (Henry Knoll); Date: Mon, 12 Aug 1996 22:55:27; On Mon, 12 Aug 1996 22:24:37 -0500, kg5u@HAL-PC.ORG wrote... Did you ever calculate whether the antenna load was within the specs the tower manufacturer gave. Any tower can come down if overloaded, a; /archives//html/Towertalk/1996-08/msg00124.html (8,334 bytes)

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