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81. [TowerTalk] Glass Insulators (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sat, 10 Dec 2011 17:37:01 -0800; Gentlemen, I looked at the UK Ebay site, entering "Glass Insulators" and 7" ribbed Pyrex glass insulators priced at 9 GBP each plus postage were the result. I have placed my order to replenished my s; /archives//html/Towertalk/2011-12/msg00277.html (7,931 bytes)
82. [TowerTalk] Glass Insulators (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sat, 10 Dec 2011 17:49:58 -0800; My apologies, I forgot to include the Ebay item number 190593289453 for the 7" Pyrex insulator. John. G3JVC/GM3JVC. _______________________________________________ ___________________________________; /archives//html/Towertalk/2011-12/msg00278.html (7,705 bytes)
83. Re: [TowerTalk] Grouting a New Tower? (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Tue, 13 Dec 2011 15:20:56 -0800; Good evening gentlemen, To add my comment from a generally rain soaked GM. I have just installed a 60ft crank up Versatower FB 60, this tower has the base section welded to the base plate. The tower; /archives//html/Towertalk/2011-12/msg00348.html (11,683 bytes)
84. [TowerTalk] Hot dip galvanising (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Wed, 14 Dec 2011 14:22:05 -0800; In the UK we have a Galvanising Association, which I have found is able to provide lots of detail and information, including a map which shows the most corrosive atmosphere in the UK. In the USA ther; /archives//html/Towertalk/2011-12/msg00370.html (7,042 bytes)
85. Re: [TowerTalk] snakes and owls vs pigeons (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 18 Mar 2012 04:47:26 -0800; Good morning gentlemen, My location is SW London and pigeons foul everywhere, their excreta seems especially corrosive to aluminium. Back in 1979, I enquired of our Royal Society for the Protection o; /archives//html/Towertalk/2012-03/msg00296.html (12,685 bytes)
86. Re: [TowerTalk] Cushcraft X7 question 2. (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Wed, 15 Aug 2012 10:51:52 +0100; Good morning to Carlo the group, I think that Carlo, IK3LMA, who had a similar problem with his KLM KT34XA, may have provided the key to answering my question. Carlo has experience with the marine us; /archives//html/Towertalk/2012-08/msg00180.html (9,225 bytes)
87. [TowerTalk] Cushcraft X7 Question three. (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 19 Aug 2012 16:57:02 +0100; Gentlemen, Things appeared to be going so well with the refurb, until today and its raining as well. My mind turned to looking at the OEM balun and the traps in the reflector, which I can work on und; /archives//html/Towertalk/2012-08/msg00228.html (9,398 bytes)
88. Re: [TowerTalk] Cushcraft X7 Question three. (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 19 Aug 2012 17:53:07 +0100; Thanks Chris, The construction is exactly the same, I had considered bending the section of tube that forms the connection to the element back to the tube wall shape again, but thought the metal migh; /archives//html/Towertalk/2012-08/msg00230.html (11,036 bytes)
89. Re: [TowerTalk] Cushcraft X7 Question three. (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 19 Aug 2012 18:19:22 +0100; Hello again Chris, It would appear that in the example shown in the link you provided, that the aluminium had "work hardened" by being bent to often, and fractured. Looking at the treatment of alumin; /archives//html/Towertalk/2012-08/msg00233.html (11,529 bytes)
90. [TowerTalk] Cushcraft X7 Question three (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Mon, 20 Aug 2012 18:02:40 +0100; Gentlemen, I had a number of suggestions in reply to my question, but the easiest option was suggested by an old friend. GW3YDX, Ron said, drill out the dimples, which is what I did, taking care not; /archives//html/Towertalk/2012-08/msg00254.html (7,837 bytes)
91. Re: [TowerTalk] Crank-ups.....do NOT lubricate your cables (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Tue, 4 Sep 2012 12:12:43 +0100; Looking at the available information on the use and care of wire rope, the attached link may be of interest:- http://www.wescovan.com/catalogs/handling&maintenance.pdf 73, John G3JVC/GM3JVC. ________; /archives//html/Towertalk/2012-09/msg00050.html (10,588 bytes)
92. [TowerTalk] Guy wire/rope tension (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Thu, 6 Sep 2012 08:44:52 +0100; Good morning, I have been looking for detail on setting the correct tension of mast guy ropes, both for EHS and synthetic. In the past, mention has been made of the "cyclic method" for setting guy te; /archives//html/Towertalk/2012-09/msg00083.html (6,969 bytes)
93. Re: [TowerTalk] Inverted V on a retractable tower (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sat, 6 Oct 2012 23:01:17 +0100; If I might add to Ian's contribution, the "Bungee cord" was in fact heavy duty elastic mooring rope, with the anchor pulley's, obtained from my local yacht chandlers. John. G3JVC/GM3JVC. ____________; /archives//html/Towertalk/2012-10/msg00041.html (9,049 bytes)
94. [TowerTalk] Climbing Belts/Harness (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 18 Nov 2012 15:20:50 -0500; Lighr relief. I would imagine that all of you have seen this tower climb, but if not, watch this link and be impressed. www.livedeak.com/e/07b_1284580365 John G3JVC/GM3JVC ___________________________; /archives//html/Towertalk/2012-11/msg00204.html (7,003 bytes)
95. [TowerTalk] Safety harness/belts (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 18 Nov 2012 15:45:07 -0500; My apologies, I mistyped the link in my previous posting, it should have been:- www.liveleak.com/e/07b_1284580365. John, G3JVC/GM3JVC. _______________________________________________ ________________; /archives//html/Towertalk/2012-11/msg00206.html (6,545 bytes)
96. Re: [TowerTalk] Safety harness/belts (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sun, 18 Nov 2012 16:32:23 -0500; Gentlemen, If you are interested, there is a film, available on the Crystal Palace web site, which shows how the 800ft London BBC Television tower at Crystal Palace, SE London, was designed, and then; /archives//html/Towertalk/2012-11/msg00209.html (9,085 bytes)
97. [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Mon, 18 Feb 2013 08:03:36 -0500; Good afternoon gentlemen, A 100 metre(325ft)drum of 75ohm, 25mm(1 inch) diameter coax, and the appropriate connectors, has been donated to my GM project, for which I am very grateful. I am considerin; /archives//html/Towertalk/2013-02/msg00243.html (8,048 bytes)
98. [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Mon, 18 Feb 2013 09:14:59 -0500; Thank you, David, Steve and Stan, I have always ensured that when using co-ax for transmitting, it has been cut a multiple of electrical half wave lengths at the lowest frequency to be used on the or; /archives//html/Towertalk/2013-02/msg00247.html (7,779 bytes)
99. [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Mon, 18 Feb 2013 14:38:23 -0500; Thank you Jim and Gene, For your advice and also pointing me towards AE6TY and SimSmith. My aim for my GM project is to be able to switch between HF aerials without the use of tuner units, it looks a; /archives//html/Towertalk/2013-02/msg00251.html (7,731 bytes)
100. [TowerTalk] Thrust bearings (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Thu, 28 Feb 2013 15:17:26 -0500; Gentlemen, I have read the thread with interest, and here is my solution. Back in 1978, and in order to cope with the likely forces applied to a tower top thrust race, I looked at the commercial prod; /archives//html/Towertalk/2013-02/msg00405.html (9,270 bytes)

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