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Total 28 documents matching your query.

1. [TowerTalk] Ham IV rotor (score: 1): Author: Tom Anderson <WW5L@gte.net>; Date: Mon, 30 Aug 2004 11:10:41 -0500; Fellow Tower Talkians: I've got a Ham IV (1987 vintage that has been overhauled three years ago by Norm's Rotor Service). But I still seem to have problems with it such as wild meter swings, etc. A f; /archives//html/Towertalk/2004-08/msg00666.html (9,102 bytes)
2. Re: [TowerTalk] Ham IV rotor (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Mon, 30 Aug 2004 12:46:36 -0400; Did the rotor and indicator work well after you had it rebuilt? Did it work well at all after being installed in the tower? When did it start malfunctioning again? Had you changed anything prior to t; /archives//html/Towertalk/2004-08/msg00667.html (11,093 bytes)
3. Re: [TowerTalk] Ham IV rotor (score: 1): Author: Rob Frohne <frohro@wwc.edu>; Date: Mon, 30 Aug 2004 10:02:40 -0700; On Aug 30, 2004, at 9:46 AM, Tower (K8RI) wrote: Going to less likely The cable could have been pinched if the tower has been raised and lowered or it could have been pulled loosening one of the conn; /archives//html/Towertalk/2004-08/msg00669.html (11,321 bytes)
4. Re: [TowerTalk] Ham IV rotor (score: 1): Author: Tom Anderson <WW5L@gte.net>; Date: Mon, 30 Aug 2004 13:20:40 -0500; Roger: Thanks for the reply. I too am a fan of direct connections, but several persons I talked to around the Dallas/Fort Worth area persuaded me to use quick disconnects because its much easier to g; /archives//html/Towertalk/2004-08/msg00671.html (12,538 bytes)
5. Re: [TowerTalk] Ham IV rotor (score: 1): Author: Dave Hachadorian <k6ll@juno.com>; Date: Mon, 30 Aug 2004 11:37:40 -0700; The Ham IV manual has a diagnostic procedure, including resistance and voltage checks, which may help to define the problem. When you inspect the rotor, check the four self-tapping screws that hold t; /archives//html/Towertalk/2004-08/msg00672.html (7,556 bytes)
6. Re: [TowerTalk] Ham IV rotor (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Mon, 30 Aug 2004 15:23:14 -0400; <snip> When you inspect the rotor, check the four self-tapping screws that hold the top and bottom halves of the housing together. See if they are backing out, sheared off, or missing. These screws a; /archives//html/Towertalk/2004-08/msg00673.html (9,733 bytes)
7. Re: [TowerTalk] Ham IV rotor (score: 1): Author: Tom Anderson <WW5L@gte.net>; Date: Mon, 30 Aug 2004 19:21:45 -0500; Fellow Tower Talkians: Many many, thanks to all of you who have offered suggestions. From your suggestions I may have isolated the problem to the rotor control box (I hope) so I don't have to go rent; /archives//html/Towertalk/2004-08/msg00685.html (7,856 bytes)
8. RE: [TowerTalk] Ham IV rotor (score: 1): Author: "Dale Martin" <kg5u@hal-pc.org>; Date: Mon, 30 Aug 2004 21:30:02 -0500; Dig into your parts bins and find a 500-ohm (linear taper is best) pot and put it across the appropriate control box terminals (after disconnecting the rotator pot wires, of course)? If you still ge; /archives//html/Towertalk/2004-08/msg00689.html (8,631 bytes)
9. Re: [TowerTalk] Ham IV rotor (score: 1): Author: "Julio Peralta" <jperalta@tampabay.rr.com>; Date: Tue, 31 Aug 2004 07:36:46 -0400; I've even used larger pots like from 1000 to 5000 ohms. You will only use a portion of the rotation but it will allow you to demonstrate the meter and assonated electronics are working. the Weather S; /archives//html/Towertalk/2004-08/msg00692.html (9,981 bytes)
10. Re: [TowerTalk] Ham IV rotor (score: 1): Author: Tom Anderson <WW5L@gte.net>; Date: Wed, 01 Sep 2004 22:19:03 -0500; Fellow Tower Talkians: Thanks to all of you for the replies about my rotor problem. It appears that the problem is in the pot and I took it down today and am shipping it off to Norm's Rotor Service s; /archives//html/Towertalk/2004-09/msg00061.html (10,714 bytes)
11. [TowerTalk] Ham IV Rotor (score: 1): Author: "Tim G. Boerresen" <tim@sunsite.lv>; Date: Fri, 21 Oct 2005 19:46:45 +0200 (CEST); Hello Tower-Talkers, I found an old HAM IV, which look suitable for my current antanna project. I have one question though, that I haven't foud an answer to using goole. How much weight is a HAM IV s; /archives//html/Towertalk/2005-10/msg00704.html (7,479 bytes)
12. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: Ricky Scott <rickw7psk@gmail.com>; Date: Fri, 21 Oct 2005 10:52:50 -0700; *HAM-V ROTATOR SPECIFICATIONS* *WIND LOAD CAPACITY:* (inside tower) 15 square feet *WIND LOAD:* (w / mast adaptor ) 7.5 square feet *TURNING POWER:* (in lbs.) 800 *BRAKE POWER:* (in lbs.) 5000 *BRAKE; /archives//html/Towertalk/2005-10/msg00706.html (8,901 bytes)
13. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: Cqtestk4xs@aol.com; Date: Fri, 21 Oct 2005 13:55:19 EDT; Tim Generally vertical weight is not the problem, especially if you use a thrust bearing. By the time you would stress it by having too much weight, you would probably overload the ten square feet it; /archives//html/Towertalk/2005-10/msg00707.html (7,028 bytes)
14. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: "Brad Pioveson" <w9fx@verizon.net>; Date: Fri, 21 Oct 2005 13:00:02 -0500; Tim, in the old Ham II rotor manual, CDE stated the following: "With 98 ball bearings operating in accurately machined races, the rotor is capable of handling as much as a thousand pounds of downward; /archives//html/Towertalk/2005-10/msg00708.html (8,572 bytes)
15. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: el34guy@aol.com; Date: Fri, 21 Oct 2005 14:48:38 -0400; Isnt the Ham 4 rated for 15sq ft mounted flatly on a plate inside a tower? Mark W0NCL --Original Message-- From: Cqtestk4xs@aol.com To: TOWERTALK@contesting.com Sent: Fri, 21 Oct 2005 13:55:19 EDT Su; /archives//html/Towertalk/2005-10/msg00710.html (8,137 bytes)
16. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: "Julio Peralta" <jperalta@tampabay.rr.com>; Date: Fri, 21 Oct 2005 18:37:13 -0400; There is a chart on the Alfa Radio web site that indicates the Ham IV will handle 800LBS of vertical load. Julio, W4HY Hello Tower-Talkers, I found an old HAM IV, which look suitable for my current a; /archives//html/Towertalk/2005-10/msg00713.html (8,651 bytes)
17. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: Bill Coleman <aa4lr@arrl.net>; Date: Sun, 23 Oct 2005 17:26:07 -0400; According to this page, a Ham-IV will support 800 lbs: http://www.rotordoc.com/sales.html Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net Quote: "Not within a thousand years will man ever fly!" --; /archives//html/Towertalk/2005-10/msg00743.html (8,306 bytes)
18. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Mon, 24 Oct 2005 00:00:41 -0400; This is for a laterally supported load (no side, or tipping forces). My opinion: I'd be very uncomfortable with more than half that on a Ham M or Ham IV, BUT even 400# is a *lot* of weight. Not many; /archives//html/Towertalk/2005-10/msg00747.html (10,002 bytes)
19. Re: [TowerTalk] Ham IV Rotor (score: 1): Author: "Fred Mott" <ab8ah@earthlink.net>; Date: Mon, 24 Oct 2005 10:32:39 -0400; Here's what I could find. Fred Mott, AB8AH <prev [Date] next> [Advanced] <prev [Thread] next> Re: [TowerTalk] Ham IV Rotor from [Brad Pioveson] [Permanent Link][Original] Tim, in the old Ham II rotor; /archives//html/Towertalk/2005-10/msg00753.html (9,352 bytes)
20. [TowerTalk] Ham IV Rotor (score: 1): Author: "AD5VJ Bob" <rtnmi@sbcglobal.net>; Date: Sat, 12 Aug 2006 02:57:53 -0500; Hi fellas: I have recently acquired a Ham IV Rotor and CDE controller. I am planning on getting some Rohn 25 and mounting the rotor. (not sure about the thrust bearing) But, I can make the Rotor Plat; /archives//html/Towertalk/2006-08/msg00321.html (6,900 bytes)

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