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References: [ +from:g3jvc@jcleeve.idps.co.uk: 116 ]

Total 116 documents matching your query.

101. Re: [TowerTalk] Thrust bearings (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Thu, 28 Feb 2013 16:41:45 -0500
Hello Roger The scrap aluminium tube I used has a wall thickness of about 0.75 inches, the object being try and find bearings/materials that I could fairly easily fit together in order to fabricate t
/archives//html/Towertalk/2013-02/msg00407.html (12,447 bytes)

102. Re: [TowerTalk] Fwd: Thrust bearings (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Fri, 01 Mar 2013 11:06:14 -0500
Hans, I believe that sort of adaptation, together with hand rotation of the antenna by means of a chain drive and an old car steering wheel above the operating position, the antenna aloft, on an old
/archives//html/Towertalk/2013-03/msg00001.html (14,643 bytes)

103. [TowerTalk] Erico chemical ground electrode (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Sun, 03 Mar 2013 17:18:25 -0500
Gentlemen, Has anyone had experience of using the Erico chemical ground electrode? The Erico claim is that one chemical ground electrode can be as effective as multiple ordinary ground rods. I am not
/archives//html/Towertalk/2013-03/msg00017.html (8,213 bytes)

104. Re: [TowerTalk] Erico chemical ground electrode (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Sun, 03 Mar 2013 18:29:24 -0500
Hello David, Thank you for your response. Looking for a source on "Bentonite" it appears that there are several types of "clay deposit" materials covered by the name Bentonite, or Fullers Earth as it
/archives//html/Towertalk/2013-03/msg00020.html (11,761 bytes)

105. Re: [TowerTalk] Erico chemical ground electrode] (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Mon, 04 Mar 2013 16:08:13 -0500
Hello Patrick, <As I recall there are some Army tech manuals that cover grounding systems for radio installations and if memory serves some of the schemes involved chemical enhancement of soil conduc
/archives//html/Towertalk/2013-03/msg00032.html (16,357 bytes)

106. [TowerTalk] Erico chemical ground (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Mon, 18 Mar 2013 10:58:56 -0500
Good afternoon gentlemen Further to my posting re: Erico chemical ground rod. I have now found more detail in a very interesting publication by Erico, called "Practical Guide to Electrical Grounding"
/archives//html/Towertalk/2013-03/msg00230.html (7,386 bytes)

107. [TowerTalk] Erico publications (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Mon, 18 Mar 2013 13:12:57 -0500
To avoid Toms problem, go to the Erico site, www.erico.com. choose Library and then enter ground as the subject......all the Erico documentation on the subject will appear.... John. G3JVC/GM3JVC. ___
/archives//html/Towertalk/2013-03/msg00237.html (6,590 bytes)

108. [TowerTalk] Bulkhead adaptors (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Wed, 3 Apr 2013 14:02:20 +0100
Good afternoon, I am in process of planning cable runs from the tower to the shack, with the cable screens bonded to a ground plate at the tower base and again at an external grounded copper plate mo
/archives//html/Towertalk/2013-04/msg00016.html (7,728 bytes)

109. [TowerTalk] SO-259 bulkhead adapters (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Wed, 3 Apr 2013 14:48:29 +0100
Thank you all for your very prompt response. I have found that Farnell in the UK, stock Amphenol RF 83-IF(UG-363/U) bulkhead adapters, the two nut variety, but what a price, 35.58 GBP each, including
/archives//html/Towertalk/2013-04/msg00017.html (6,875 bytes)

110. [TowerTalk] SO-239 bulkhead adapter (score: 1)
Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Wed, 3 Apr 2013 16:23:49 +0100
If I recall correctly, the example of the SO-239 bulkhead adapter I described was manufactured by Greenpar Engineering, in Harlow, UK. Greenpar Engineering also manufactured a very easy to install PL
/archives//html/Towertalk/2013-04/msg00018.html (7,981 bytes)

111. Re: [TowerTalk] UV resistant wire ties (score: 1)
Author: "John E Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Sun, 1 Jun 2014 16:28:34 +0100
In the UK Thomas & Betts market UV resistant black Ty-Raps The weathering data on plastic pipes can be found at this link. http://plasticpipe.org/pdf/tr-18_weatherability_thermo_pipe_systems.pdf 73,
/archives//html/Towertalk/2014-06/msg00002.html (8,665 bytes)

112. [TowerTalk] 100ft mobile on 160 (score: 1)
Author: "John E Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Wed, 29 Oct 2014 07:37:18 -0500
Good morning, I have a 100ft galvanised mobile mast by Radio Structures in the UK, the mast has not been used for quite a while and its potential is being wasted. I am considering its use as a "parke
/archives//html/Towertalk/2014-10/msg00415.html (7,013 bytes)

113. [TowerTalk] 100 ft mobile on 160 (score: 1)
Author: "John E Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Thu, 30 Oct 2014 07:19:44 -0500
Good morning, I would like to thank Bob, Jim, Stan and Djordan for their suggestions. Because the mobile mast unit has electric winches, the idea of parking the trailer in a suitable location on the
/archives//html/Towertalk/2014-10/msg00443.html (9,048 bytes)

114. [TowerTalk] 100ft mobile on 160 (score: 1)
Author: "John E Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Sat, 01 Nov 2014 11:30:54 -0500
Thank you David WA3GIN & Joe W4TV for further suggestions and advice. The site where my mobile unit is located is on a peninsula which gets gale force winds from both the Irish Sea and the Atlantic,
/archives//html/Towertalk/2014-11/msg00006.html (8,225 bytes)

115. Re: [TowerTalk] GE Transient Voltage Suppression Manual (score: 1)
Author: "John E Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Fri, 28 Aug 2015 13:58:40 +0100
Thank you Bill, much appreciated. Sincerely, John. G3JVC / GM3JVC. Here is the actual GE Transient Voltage Suppression Manual: http://www.introni.it/pdf/GE%20Transient%20Voltage%20Suppression%20Manua
/archives//html/Towertalk/2015-08/msg00493.html (12,186 bytes)

116. Re: [TowerTalk] Questions (score: 1)
Author: "John E Cleeve" <g3jvc@jcleeve.idps.co.uk>
Date: Wed, 31 Aug 2016 16:22:40 +0100
Sheave bearings. Hello, My 60ft crank up tower is by Strumech and was erected in 1979. I resolved the problem of worn centre bearing holes in the sheaves, by "chucking" them in the lathe and boring o
/archives//html/Towertalk/2016-08/msg00409.html (12,310 bytes)

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