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Total 16 documents matching your query.

1. [TowerTalk] Worm Gears (score: 1): Author: Howard Hoyt <hhoyt@mebtel.net>; Date: Tue, 30 Jun 2015 13:55:12 -0400; Hi all, Great topic! Each gear setup is designed for a specific load/relative surface velocity in order to give good service. Spur gears can be run in the open at very low velocities with zero lubric; /archives//html/Towertalk/2015-06/msg00319.html (9,988 bytes)
2. Re: [TowerTalk] Worm Gears (score: 1): Author: <n0tt1@juno.com>; Date: Tue, 30 Jun 2015 21:23:00 +0000; That's very true. Long ago there was an article in QST...might have been by/for KH6IJ, about his method to control that spin....IIRC, he attached a cord to the brake latch and the other end to a bri; /archives//html/Towertalk/2015-06/msg00322.html (7,508 bytes)
3. Re: [TowerTalk] Worm Gears (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Tue, 30 Jun 2015 15:52:49 -0700; I dont want sabotage our worm gear discussion but wanted to throw in a question about gear lube for a worm gear box. I am going to change the gear oil in my US tower box. It is a Hub City worm gear.; /archives//html/Towertalk/2015-06/msg00323.html (8,834 bytes)
4. Re: [TowerTalk] Worm Gears (score: 1): Author: Howard Hoyt <hhoyt@mebtel.net>; Date: Tue, 30 Jun 2015 23:57:12 -0400; PolyAlkyline Glycol lubricants are part of the new API Group V Synthetic lubricants and have unique characteristics lending themselves to gear oils. In general they have very high shear friction, ass; /archives//html/Towertalk/2015-06/msg00328.html (8,143 bytes)
5. Re: [TowerTalk] Worm Gears (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Wed, 1 Jul 2015 08:23:34 -0500; Thank you so much for telling the truth and shunning the devil. Now to check the 1/2 HP motors RPM, worm drive ratio, lubricant, etc to see if my soon to be delivered tower has its motors-winches-lub; /archives//html/Towertalk/2015-07/msg00003.html (10,967 bytes)
6. Re: [TowerTalk] Worm Gears (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Wed, 01 Jul 2015 14:52:00 -0700; On 6/30/2015 3:52 PM, Robert Harmon wrote: I dont want sabotage our worm gear discussion but wanted to throw in a question about gear lube for a worm gear box. I am going to change the gear oil in my; /archives//html/Towertalk/2015-07/msg00004.html (7,381 bytes)
7. Re: [TowerTalk] Worm Gears (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Wed, 1 Jul 2015 15:51:08 -0700; Hi Rick, It needs to be a specific synthetic gear lube. I called Hub City and they recommend their 460 PAG for worm gears. They said that the Mobil 1 Glycol 460 is what they are using. My Hub City wo; /archives//html/Towertalk/2015-07/msg00005.html (9,344 bytes)
8. Re: [TowerTalk] Worm Gears (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Wed, 1 Jul 2015 18:55:23 -0700; Matt, The viscosity is only part of the equation. I might be a comparable viscosity but there are many other ingredients that are formulated into the lubricants for specific applications. The gear lu; /archives//html/Towertalk/2015-07/msg00008.html (9,856 bytes)
9. Re: [TowerTalk] Worm Gears (score: 1): Author: k2cb@comcast.net; Date: Thu, 2 Jul 2015 03:26:48 +0000 (UTC); For those of us who own US Tower models with the Hub City boxes - how often should we be changing the lubricant? I see no mention or concern whatsoever from US Tower on the matter. My tower is now; /archives//html/Towertalk/2015-07/msg00011.html (24,509 bytes)
10. Re: [TowerTalk] Worm Gears (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Wed, 01 Jul 2015 20:53:41 -0700; Thanks much for that. Where online did you buy the stuff? Does Hub City sell it? Rick N6RK It needs to be a specific synthetic gear lube. I called Hub City and they recommend their 460 PAG for worm g; /archives//html/Towertalk/2015-07/msg00014.html (10,866 bytes)
11. Re: [TowerTalk] Worm Gears (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Wed, 1 Jul 2015 21:37:55 -0700; Matt, The original question was which Mobil 1LS, 75W90 or 75W140 is correct for Hub City worm gears. The answer is neither one. The gear lube recommended by Hub City is specifically formulated for wo; /archives//html/Towertalk/2015-07/msg00016.html (14,385 bytes)
12. Re: [TowerTalk] Worm Gears (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Thu, 2 Jul 2015 09:56:40 -0500; Just guessing but suspect lube change intervals are keyed to working time and load. Unless you "play" with your tower a lot it might take a long time on the calendar to rack up much actual working ti; /archives//html/Towertalk/2015-07/msg00025.html (26,258 bytes)
13. [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)
14. 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)
15. Re: [TowerTalk] Worm Gears (score: 1): Author: "John Santillo N2HMM" <n2hmm@warwick.net>; Date: Tue, 14 Jul 2015 12:47:24 -0400 (EDT); We've used exposed worm gears (88:1) successfully for many years on a tower trailer. It does require lubricant and should be replaced after ten years of use but they do work well. 73, John N2HMM ____; /archives//html/Towertalk/2015-07/msg00146.html (8,994 bytes)
16. Re: [TowerTalk] Worm Gears (score: 1): Author: Howard Hoyt <hhoyt@mebtel.net>; Date: Wed, 15 Jul 2015 12:47:33 -0400; The torque differential between driving the input and output of a worm gear drive (driving the worm, versus driving the worm gear) is largely dependent on the pitch angle. You could call driving the; /archives//html/Towertalk/2015-07/msg00150.html (10,994 bytes)

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