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161. [TowerTalk] SWR Drift (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Sat, 3 Jan 2015 22:44:16 -0500; Glad you found it. How about some pictures? I did mention tightening the bearing before.... Are those the MFJ caps with only one bearing? Somehow you have to tighten it up so theres more friction and; /archives//html/Towertalk/2015-01/msg00067.html (6,837 bytes)
162. [TowerTalk] Tower Installtion Question (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Fri, 16 Jan 2015 11:03:10 -0500; Since we have trees fall all the time, and they are not permitted, why not just say that if the fall circle of the tower is clear of habitation then the tower needs no permit. I think the regulators; /archives//html/Towertalk/2015-01/msg00265.html (7,895 bytes)
163. [TowerTalk] Rohn 25G tower permitting (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Thu, 29 Jan 2015 13:10:34 -0500; I think you are being led around by the short hairs. How did you decide a 27 tower needed to be in 3 of concrete? For practical purposes there is no bending and no horizontal load at the base of this; /archives//html/Towertalk/2015-01/msg00503.html (8,282 bytes)
164. [TowerTalk] SterIR (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Sat, 28 Feb 2015 12:18:46 -0500; OK folks, now a word from our grinch: I cant imagine spending all that money to put that complicated antenna up in the air when an LPDA will do the same thing with no moving parts and, at most, 2dB o; /archives//html/Towertalk/2015-02/msg00526.html (7,600 bytes)
165. [TowerTalk] Zerk (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Fri, 10 Apr 2015 15:19:30 -0400; Home Depot sells some little dinguses called screw extractors. They are somewhat more robust than easy outs, which are very prone to breakage, especially in small sizes. They are hex shanks, like a p; /archives//html/Towertalk/2015-04/msg00123.html (7,098 bytes)
166. [TowerTalk] 40m Dipole Question (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Sat, 25 Apr 2015 21:26:13 -0400; I suggest putting up as much wire as you can and feeding it with open wire line. 135 OCF is good, but too long for you. Some modeling might find a feedpoint thats the best compromise across the bands; /archives//html/Towertalk/2015-04/msg00568.html (7,359 bytes)
167. [TowerTalk] Winch Swap (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Thu, 4 Jun 2015 23:23:42 -0400; Think of tying up a ship with line around a bollard or pulling a line by winching on a cathead (windlass). Tension is exponential function of the wrap angle. You have several thousand degrees of wrap; /archives//html/Towertalk/2015-06/msg00055.html (6,864 bytes)
168. [TowerTalk] Thrust Bearing (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Mon, 8 Jun 2015 14:43:28 -0400; There are lots of kinds of thrust bearings, including the ones on the front wheels of cars, which are for a combination thrust/radial loads. The pillow blocks with ball bearings are for minimal thrus; /archives//html/Towertalk/2015-06/msg00111.html (7,915 bytes)
169. [TowerTalk] Brake Winches (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Mon, 29 Jun 2015 11:10:39 -0400; Would someone please explain how brake winches work? I want to use one as a tilt winch on a 40 Rohn 25G tower. The tower is bracketed to my chimney and the tilt load obviously drops to nil as the tow; /archives//html/Towertalk/2015-06/msg00305.html (7,483 bytes)
170. [TowerTalk] Tower by Chimney (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Thu, 2 Jul 2015 11:49:38 -0400; If thats the most reasonable place available, why not use it? So what if its not perfect? I have a 40 25-G on my 27 chimney, burn a good woodstove all winter, and smoke rarely even goes near the trib; /archives//html/Towertalk/2015-07/msg00029.html (7,464 bytes)
171. [TowerTalk] N6RK Winch (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Tue, 14 Jul 2015 12:24:14 -0400; NICE JOB!! But I wonder about the 4000 lb tension number, with a four part lift? That would be 16,000 lb going somewhere?? Looks great, but Id sure look into the pulley shafts. If the 4000 is right,; /archives//html/Towertalk/2015-07/msg00142.html (7,356 bytes)
172. [TowerTalk] Worm Gears (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Tue, 14 Jul 2015 12:28:17 -0400; I know we can buy them and that they work somewhat as advertized, but Ive never seen a serious worm gear application that didnt involve Running in an oil bath in a closed housing. In that environment; /archives//html/Towertalk/2015-07/msg00143.html (8,480 bytes)
173. Re: [TowerTalk] Worm Gears (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Tue, 14 Jul 2015 13:37:29 -0400; Hub City touts their helical gear units, at 90+% efficiency vs 60% for worms. I don't know about their resistance to back driving, but at 50-60:1, it wouldn't take much of a brake... WL --Original Me; /archives//html/Towertalk/2015-07/msg00145.html (9,677 bytes)
174. [TowerTalk] Coil Design (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Fri, 31 Jul 2015 12:27:46 -0400; I think this is optimistic, considering skin effect. Id use 6ga solid or, to be really neat, 1/4 copper tubing. Either could be supported by a sheet of plexiglass with notches along the edges. You wi; /archives//html/Towertalk/2015-07/msg00349.html (7,336 bytes)
175. [TowerTalk] Crimping/swaging (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Tue, 18 Aug 2015 10:52:28 -0400; I cant stand the price of Nicopress stuff, so I bought a tool from a farm supply place. It was under $100 and works fine. Sure, its Chinese, but it really crimps, hard to close all the way. Of course; /archives//html/Towertalk/2015-08/msg00377.html (7,523 bytes)
176. [TowerTalk] Rohn Bolts (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Thu, 3 Sep 2015 16:35:35 -0400; If you have new Rohn bolts that wont work, ask them for more. At their prices, things should work perfectly. I got some small commercial Yagis from Italy and they sent nuts that didnt fit the galvani; /archives//html/Towertalk/2015-09/msg00031.html (7,503 bytes)
177. [TowerTalk] DX Engineering Negative (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Sat, 5 Sep 2015 16:42:45 -0400; Ive experienced the schematic problem. Its a real problem, not in the ham spirit. WL _______________________________________________ _______________________________________________ TowerTalk mailing; /archives//html/Towertalk/2015-09/msg00056.html (7,321 bytes)
178. [TowerTalk] Holes in Heavy Adapter Plate (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Mon, 7 Sep 2015 17:03:15 -0400; I think Id clamp the plates together and use a bit the size you want, with the correct plate as a template. Do it outside and spray with water or brush on oil, for cooling. It would be worth it to re; /archives//html/Towertalk/2015-09/msg00088.html (6,921 bytes)
179. Re: [TowerTalk] TowerTalk Digest, Vol 153, Issue 40 (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Mon, 14 Sep 2015 22:22:37 -0400; There are nearly always some open frame relays, like we used to use for antenna changeover, at hamfests. The ceramic ones would do fine at 100W, or much more. Even 600 ohm line doesn't have extreme v; /archives//html/Towertalk/2015-09/msg00196.html (20,145 bytes)
180. [TowerTalk] Guy Anchors (score: 1): Author: "Wilson" <infomet@embarqmail.com>; Date: Tue, 27 Oct 2015 19:36:11 -0400; If you really have bedrock, or even very large boulders, why not just drill in and epoxy in place some big bolts, or rebar. If you tilt the hole away from the tower, making it perpendicular to the gu; /archives//html/Towertalk/2015-10/msg00288.html (8,082 bytes)

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