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21. 40M Beam and Mast (score: 1): Author: rattmann@cts.com (rattmann); Date: Tue, 4 Feb 1997 10:39:24 -0800 (PST); John, My opinion is that the mast will survive 100mph, but the KLM will likely fail way before that. The KLM 40 element is infamous for numerous mechanical failures, any one of which will put you off; /archives//html/Towertalk/1997-02/msg00054.html (7,284 bytes)
22. TOWER TRAgEDIES (score: 1): Author: rattmann@cts.com (rattmann); Date: Sun, 9 Feb 1997 10:35:51 -0800 (PST); And N4KG mentioned the weird design on the bracing... I have worked on a few aluminum towers in my day, and the current discussion is further proof of one of the K6NA tower corollaries: Aluminum tria; /archives//html/Towertalk/1997-02/msg00177.html (7,472 bytes)
23. Long masts, winches (score: 1): Author: rattmann@cts.com (rattmann); Date: Thu, 12 Dec 1996 12:06:01 -0800; Sammie, About the mast: Erect the first 30 feet of tower and guy it off. Put your gin pole at the top of it. Then, use the pole to help you erect another 30 feet (3 sections) of tower RIGHT NEXT TO T; /archives//html/Towertalk/1996-12/msg00172.html (9,770 bytes)
24. Long masts, winches (score: 1): Author: rattmann@cts.com (rattmann); Date: Fri, 13 Dec 1996 07:40:13 -0800; Thanks Chuck. Yes, I also have taped winch wire along the mast length to help keep it vertical... good point, I forgot to mention it. Re "reaching in"... actually, if you use your toes (you do climb; /archives//html/Towertalk/1996-12/msg00189.html (8,258 bytes)
25. Winch (score: 1): Author: rattmann@cts.com (rattmann); Date: Tue, 17 Dec 1996 13:14:31 -0800; Arne, N7KA: Since I received requests from several people about details of the tower winch I use, I will post this to the reflector. Hope it helps. The particular winch I purchased for tower work abo; /archives//html/Towertalk/1996-12/msg00280.html (9,042 bytes)
26. Walk Under Guy Anchors: (score: 1): Author: rattmann@cts.com (rattmann); Date: Tue, 17 Dec 1996 13:14:39 -0800; attaching the Jaw of the 1/2 in x 12 turnbuckles.? I would have a certified welder attach a "vertical" plate of thick steel to each guy pipe. The vertical edge is parallel with, and points at, the t; /archives//html/Towertalk/1996-12/msg00281.html (7,378 bytes)
27. Rohn 25 bolts (score: 1): Author: rattmann@cts.com (rattmann); Date: Tue, 17 Dec 1996 13:14:44 -0800; Hi Howard, Yes, they are probably "strong enough". But maybe it's a good time to remind people on the reflector that all stainless alloys are weaker than similar-sized hardware of "normal" carbon ste; /archives//html/Towertalk/1996-12/msg00282.html (8,316 bytes)
28. guy anchor plates (score: 1): Author: rattmann@cts.com (rattmann); Date: Tue, 17 Dec 1996 13:14:41 -0800; This looks like an unsafe idea. A single Rohn equalizer plate looks pretty wimpy to me, although as a pair they are obviously okay. But a single one, welded to the pipe, seems unsafe as it is 1/8-inc; /archives//html/Towertalk/1996-12/msg00283.html (7,399 bytes)
29. Erecting Long Masts (score: 1): Author: rattmann@cts.com (rattmann); Date: Wed, 18 Dec 1996 10:46:56 -0800; K6NA writes: I have no problem bringing it up inside the tower, or continuing to raise the mast once the first beam is on it. The difference I see is that you have a bearing at the top, as expected,; /archives//html/Towertalk/1996-12/msg00314.html (11,266 bytes)
30. 7 MHz antenna ? (score: 1): Author: rattmann@cts.com (rattmann); Date: Wed, 18 Dec 1996 10:46:53 -0800; Osten, I presume the top of the delta is up around 55-58 feet, with beam at the tower top on a rotator? If so, I believe the rotating dipole up at 70 feet (a half-wave high) will be significantly be; /archives//html/Towertalk/1996-12/msg00315.html (7,788 bytes)
31. Erecting Long Masts (score: 1): Author: rattmann@cts.com (rattmann); Date: Wed, 18 Dec 1996 23:07:54 -0800; K6NA writes: Hi Terry... Isolating the rotator from sideload is important but only a part of the reason. The main reason I like the rotator down 7 or 8 feet from the tower top is a practical one-- yo; /archives//html/Towertalk/1996-12/msg00331.html (8,841 bytes)
32. Bottom bearings (score: 1): Author: rattmann@cts.com (rattmann); Date: Wed, 18 Dec 1996 23:07:50 -0800; it would solve a problem that I have K6NA writes: Yes, removing a rotator from underneath a top-heavy "christmas tree" stack can be a thriller... your rope method for keeping the lower part of the ma; /archives//html/Towertalk/1996-12/msg00332.html (8,653 bytes)
33. Followup - Noalox at Home Depot (score: 1): Author: rattmann@cts.com (rattmann); Date: Wed, 13 Nov 1996 18:10:26 -0800; Hi Bill, I've used No-Al-Ox for about 25 years on various yagis here and around the world, with good results. I've lost plenty of contests in my day, but none was due to my use of this stuff. It wor; /archives//html/Towertalk/1996-11/msg00131.html (8,791 bytes)
34. Open in coax (score: 1): Author: rattmann@cts.com (rattmann); Date: Fri, 11 Oct 1996 10:18:54 -0700; Hi Dennis, If the actual problem is not due to a failure (open) at either one connector or the other, I will be extremely surprised. In 36 years of this stuff, I have sure never seen a piece of RG-8; /archives//html/Towertalk/1996-10/msg00131.html (8,898 bytes)
35. Rohn 55 vs 45 vs 25 (score: 1): Author: rattmann@cts.com (Rattmann); Date: Thu, 1 Aug 1996 06:37:24 -0700; Mike, re your comment about the tower shelf: Unfortunately, one of the great "antenna truths" is that the shelf will never be mounted on the correct side of the tower when the particular work needs t; /archives//html/Towertalk/1996-08/msg00005.html (6,988 bytes)
36. Yaesu Rotors (score: 1): Author: rattmann@cts.com (Rattmann); Date: Wed, 7 Aug 1996 10:23:22 -0700; Dave, Six years for the T2X on that KLM antenna you mentioned isn't too bad. On the "ratings" for the Yaesu rotator, remember that the designer probably assumes a well-balanced load on a calm day in; /archives//html/Towertalk/1996-08/msg00075.html (7,611 bytes)
37. tower (score: 1): Author: rattmann@cts.com (Rattmann); Date: Mon, 29 Jul 1996 11:44:08 -0700; Roger, re small aluminum tower sections you spoke of, I know of some called Texas Tower. These are used commonly in coastal regions such as the Gulf of Mexico where there is significant offshore act; /archives//html/Towertalk/1996-07/msg00181.html (7,256 bytes)
38. Tramming (score: 1): Author: rattmann@cts.com (Rattmann); Date: Sun, 23 Jun 1996 01:09:35 -0700; Hi Jim, Enjoyed your info on the tram line experiences. As I watched this thread the past few days, most of the fine points have been covered by others, although this subject is best covered in a mag; /archives//html/Towertalk/1996-06/msg00170.html (10,382 bytes)

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