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181. [TowerTalk] 20G vs 25G (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 5 Feb 1998 03:35:02 -0800 (PST); There is an easy way to tell the difference between 20G and 25G sections: Just count the horizontal members in one section. There are 8 in 25G and 7 in 20G. Stan w7ni@teleport.com -- FAQ on WWW: http; /archives//html/Towertalk/1998-02/msg00142.html (6,781 bytes)
182. [TowerTalk] BX & 10 foot boom (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 6 Feb 1998 00:47:03 -0800 (PST); I have read the same thing Robert has about the 10 foot boom length limit. I simply regard it as a "non-answer". Rohn simply does not want to tell you what they know about BX tower with booms longer; /archives//html/Towertalk/1998-02/msg00191.html (8,160 bytes)
183. [TowerTalk] BX "safe" load (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 6 Feb 1998 00:47:11 -0800 (PST); My personal opinion based on observing two failures where the tower folded about two thirds of the way up from the base is that a TH6DXX is too big for it . . . This is one way to zero in on the data; /archives//html/Towertalk/1998-02/msg00192.html (7,276 bytes)
184. [TowerTalk] Rohn 20G/25G again (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 6 Feb 1998 00:47:19 -0800 (PST); There have been at least two or three copies of Rohn tower made. All I have seen are very inferior in at least one or more ways. The basic problem here is that neither Rohn nor any of the copies hav; /archives//html/Towertalk/1998-02/msg00193.html (8,173 bytes)
185. [TowerTalk] Hazer cable failure (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Sat, 7 Feb 1998 07:09:21 -0800 (PST); A couple of recent posts caused me to have an aweful nightmare. I envisioned myself halfway up a tower with a Hazer on it at the top. Rotator failure prevented rotating the beam so the Hazer could be; /archives//html/Towertalk/1998-02/msg00230.html (7,654 bytes)
186. [TowerTalk] Why lambast Rohn ????? (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Sat, 7 Feb 1998 07:10:08 -0800 (PST); Hi Gang, Dale brings up some interesting points, but there are other points of view, as well . . . I am sure Rohn considers their publication strategy very carefully and everything they publish or de; /archives//html/Towertalk/1998-02/msg00231.html (13,684 bytes)
187. [TowerTalk] Hazer cable failure (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Sun, 8 Feb 1998 15:03:09 -0800 (PST); I guess this tells you how much I know about Hazers . . . nothing. Stan w7ni@teleport.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrati; /archives//html/Towertalk/1998-02/msg00255.html (9,434 bytes)
188. [TowerTalk] Antenna Peformance (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Mon, 16 Feb 1998 15:38:05 -0800 (PST); Who says the winner in any pileup is the loudest signal? Timing your call is at LEAST as important as being 10 dB louder than the next guy. Sometimes, I would deliberately take weaker callers just t; /archives//html/Towertalk/1998-02/msg00416.html (7,800 bytes)
189. [TowerTalk] Tree Climbing (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 19 Feb 1998 20:58:29 -0800 (PST); I have a few suggetions to offer, Bill. Be aware that there is more than one kind of tree climbing spikes. For climbing telephone and power poles, the spikes themselves are not very long (maybe an i; /archives//html/Towertalk/1998-02/msg00469.html (11,706 bytes)
190. [TowerTalk] Rohn Hardware Available (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Tue, 24 Feb 1998 22:52:07 -0800 (PST); Hi Guys, Just wanted you to know that I got a shipment of sometimes hard-to-get Rohn hardware in yesterday. I don't mind small orders since I know what it is like to need one or small items and come; /archives//html/Towertalk/1998-02/msg00518.html (8,128 bytes)
191. [TowerTalk] Re: N7ZZ BX tower (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Wed, 25 Feb 1998 23:56:41 -0800 (PST); I asked Stu, N7ZZ, to comment his experiences with BX tower. Here are his uncut remarks for your information: -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contest; /archives//html/Towertalk/1998-02/msg00530.html (13,871 bytes)
192. [TowerTalk] Re: N7ZZ BX tower (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 26 Feb 1998 23:35:41 -0800 (PST); I discussed that with him a little and he thought that the concrete was not high enough to keep standing water and mud away from the tower legs and that 20 years of that contributed to rusting and w; /archives//html/Towertalk/1998-02/msg00549.html (7,247 bytes)
193. [TowerTalk] Relative merits (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 26 Feb 1998 23:36:18 -0800 (PST); 60 feet of Rohn 25G and have been following the wind load and ect. discussions on this tower with interest. What I am thinking of putting up is a VHF array consisting of 2 13B2 on sideband, one dire; /archives//html/Towertalk/1998-02/msg00550.html (7,949 bytes)
194. [TowerTalk] rohn 25 and yaesu rotator (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 1 Jan 1998 06:43:46 -0800 (PST); I am conused by this remark, Steve, since I have TWO Tailtwisters installed in 25G and don't remember having to do anything special to get them in there. I just bolted them in place exactly like I w; /archives//html/Towertalk/1998-01/msg00003.html (7,773 bytes)
195. [TowerTalk] Rotor Shims (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 1 Jan 1998 21:28:45 -0800 (PST); Hi Gang, It really is important to shim between the rotator and mast to make SURE the center of rotation of the rotator and center of rotation of the mast are as close to exactly the same as you can; /archives//html/Towertalk/1998-01/msg00023.html (9,105 bytes)
196. [TowerTalk] Triband Evaluation Query (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Mon, 5 Jan 1998 22:37:25 -0800 (PST); Hi Mike, I cam pass some info to you about interlacing monobanders on one boom. Back in the '70s, Wilson marketed several interlaced two band Yagis for 15/20 and 10/15. I don't ever remember seeing; /archives//html/Towertalk/1998-01/msg00057.html (9,840 bytes)
197. [TowerTalk] pipe masts (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 16 Jan 1998 17:37:55 -0800 (PST); Hi Frank, I would be very concerned about the places where the pipe is threaded. The deep sharp grooves of the threading process only only cuts away about half of the wall thickness, but the grooves; /archives//html/Towertalk/1998-01/msg00258.html (7,902 bytes)
198. [TowerTalk] de-rating tower wind loading limits (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 16 Jan 1998 17:37:59 -0800 (PST); Hi Henry, Let me think "outloud" about this for a minute or two. First, when the wind goes from 50 to 70 mph, the forces on objects (towers and beams) DOUBLES since it goes up with the square of the; /archives//html/Towertalk/1998-01/msg00259.html (9,764 bytes)
199. [TowerTalk] de-rating tower wind loading limits (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Fri, 16 Jan 1998 19:41:40 -0800 (PST); Hi Henry: I don't like my OWN answer to this and I will revise it as follows: and beams) DOUBLES since it goes up with the square of the wind speed. assume the tower equals 20 square feet of load by; /archives//html/Towertalk/1998-01/msg00262.html (11,069 bytes)
200. [TowerTalk] Aluminum Self-Supporting Towers (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 4 Dec 1997 06:15:43 -0800 (PST); Wow! I wouldn't do it. First, I think aluminum is the wrong material to make a tower out of. I know one that formed stress cracks, like all aluminum tends to do. Unless it is a VERY expensive alloy,; /archives//html/Towertalk/1997-12/msg00103.html (7,436 bytes)

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