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21. [TowerTalk] She's Comin' Down!!!!!! (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Sat, 20 Nov 1999 19:14:12 -0800; Hi Allen, Is there any chance that water could have built up to the level of the splits and frozen in there? That is the only reason I have heard of for tower leg splits of the kind you describe. On; /archives//html/Towertalk/1999-11/msg00427.html (11,566 bytes)
22. [TowerTalk] She's Comin' Down!!!!!! (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Sat, 20 Nov 1999 20:01:31 -0800; Allen: MY WIFE reminded me that Rohn stores the leg bolts inside the bottom of one of the section legs in each 25G section. They are inside of a plastic tube with a tight fitting plug. If your instal; /archives//html/Towertalk/1999-11/msg00428.html (12,776 bytes)
23. [TowerTalk] Rohn 25; Ham-IV & T2X mounting (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Wed, 06 Oct 1999 12:52:34 -0700; Hi Don, You left out something REAL important in your posting. What did you do about a rotator mounting shelf after you got the T2X inside the 25G tower? If you did any cutting on the existing shelf,; /archives//html/Towertalk/1999-10/msg00140.html (11,420 bytes)
24. [TowerTalk] Rohn Hardware (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Thu, 23 Sep 1999 12:50:11 -0700; Hi Gang, This a reminder to let you know that I have now received a large shipment of Rohn tower bolts, ubolts, and regular tower stuff. It took nearly 5 weeks for this latest shipment to arrive and; /archives//html/Towertalk/1999-09/msg00546.html (8,222 bytes)
25. [TowerTalk] rotor mounting screws falling out (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Wed, 04 Aug 1999 10:34:57 -0700; I doubt that the problem is vibration. Rather, I suspect some misalignment between the axis of rotation of the rotator and the axis of rotation of the mast. I think this is the same thing that causes; /archives//html/Towertalk/1999-08/msg00074.html (8,982 bytes)
26. [TowerTalk] Rohn TB? info (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Mon, 23 Aug 1999 10:44:06 -0700; Hi Brian, You are talking about the TB-3. The TB-3 is made of cast aluminum with steel bearings. There is no need to do anything to protect it from the weather. Rohn even suggests not lubing the bear; /archives//html/Towertalk/1999-08/msg00388.html (8,826 bytes)
27. [TowerTalk] Standardizing Antenna Windload (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Tue, 24 Aug 1999 11:50:29 -0700; Hi Kurt, I just wanted to say thanks for emphasizing the need for standardizing antenna windload specifications. This is a poorly understood but extremely important part of the picture, as you well k; /archives//html/Towertalk/1999-08/msg00413.html (9,591 bytes)
28. [TowerTalk] Re: Standardizing Antenna Windload (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Fri, 27 Aug 1999 10:00:56 -0700; Well done, Kurt. Rohn actually uses two wind load figures on their guying diagram pages. One is for "flat membered loads" (the lower of the two numbers) and the other is for "round member loads" (the; /archives//html/Towertalk/1999-08/msg00450.html (9,752 bytes)
29. [TowerTalk] BELDEN 9913 COAX PROBLEMS? (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Mon, 30 Aug 1999 19:43:03 -0700; I think you CAN determine cable loss with a TDR but takes some sophisticated measuring techniques to do it. BTW, what is a Tek 1505? I checked the 1999 Catalog and still see versions of the 1502 and; /archives//html/Towertalk/1999-08/msg00548.html (9,311 bytes)
30. [TowerTalk] 48ft tower (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Fri, 02 Jul 1999 20:57:14 -0700; Let me tell you HOW cheap this is. I am a Rohn dealer and I have to pay $516 for this tower if I buy it from Rohn (plus shipping, unless I buy $5000 worth). Rohn suggests I sell it to an installer fo; /archives//html/Towertalk/1999-07/msg00039.html (10,238 bytes)
31. [TowerTalk] 48ft tower (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Sat, 03 Jul 1999 14:07:29 -0700; My guess is, they NEVER HAD ANY for that price and they just goofed in publishing that price. They need to be more careful, or if it was an "intentional goof" to get attention, they need to know the; /archives//html/Towertalk/1999-07/msg00056.html (8,465 bytes)
32. [TowerTalk] My Rohn and Tek Web Page (score: 1): Author: w7ni@teleport.com (Stan or Patricia Griffiths); Date: Tue, 20 Jul 1999 01:44:28 -0700; Many of you have bought Rohn hardware from me over the last couple of years. I have listed the hardware I have available along with a dimension drawing of the TB3 thrust bearing and a price list of t; /archives//html/Towertalk/1999-07/msg00350.html (7,186 bytes)
33. [TowerTalk] Gin Pole Strength (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 02 Apr 1999 11:37:18 -0800; Hi Mike, Here is what you are missing: The gin pole has to support TWICE the weight of the load since the load pulls down on one side of the gin pole and the rope you are pulling on to raise the load; /archives//html/Towertalk/1999-04/msg00030.html (11,491 bytes)
34. [TowerTalk] Gin Pole Strength (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 01:03:49 -0700; Hi Hans, I can't disagree with you strongly enough. I'm right, and I know it. The question is, what will happen when all you guys who are disagreeing with me finally discover that I AM right? Will an; /archives//html/Towertalk/1999-04/msg00115.html (14,030 bytes)
35. [TowerTalk] Re: Gin pole loading (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 01:25:02 -0700; Hi Kurt, Well, I got you to go part way with me at least. If you use a double block at the top and a single block at the load, the load will be supported by three strands of rope, each one supporting; /archives//html/Towertalk/1999-04/msg00116.html (13,273 bytes)
36. [TowerTalk] Re: Gin pole loading (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 01:30:49 -0700; Hi Gary, Well, I hate to say this, but I don't fully agree with your analysis of the system you diagramed. I do agree that the down pull tension will only have to be 100#, but it won't reduce the loa; /archives//html/Towertalk/1999-04/msg00117.html (10,396 bytes)
37. [TowerTalk] Re: Gin pole loading (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 01:35:20 -0700; Hi Bill, Thank you, thank you, and thank you for this revealing explanation. I can see that we agree on this interesting and, apparently, perplexing problem in pullys and mechanical advantage. Stan w; /archives//html/Towertalk/1999-04/msg00118.html (9,725 bytes)
38. [TowerTalk] Gin Pole Strength (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 01:52:11 -0700; The other 1659# was in the cable tension running from the top of the boom down to the cable winch. But then, if the crane was using multiple pullys, there was not an additional 1659#. It was consider; /archives//html/Towertalk/1999-04/msg00119.html (12,419 bytes)
39. [TowerTalk] Gin Pole Strength (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 01:58:43 -0700; Hi Dave, And thank you, too, for the excellent example of mechanical advantage using pullys. The only difference between my system and yours is that I use a double pully at the top and a single pully; /archives//html/Towertalk/1999-04/msg00120.html (11,855 bytes)
40. [TowerTalk] Gin Pole Strength (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 06 Apr 1999 02:17:38 -0700; Hi Richard, Welcome to this interesting discussion. We are in agreement except where you say the idea is not practical because you have to stop at your lowest connecting point which, you say, is belo; /archives//html/Towertalk/1999-04/msg00121.html (15,451 bytes)

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