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Total 19 documents matching your query.

1. [TowerTalk] aircraft bearing (score: 1): Author: "Barry Fox" <foxbw@comcast.net>; Date: Sat, 30 Jul 2005 08:20:12 -0500; Notice the grease fittings? This is not a "no lube / lifetime greased / etc" bearing, someone is going to have to climb the tower periodically with a grease gun. That might be a point against using i; /archives//html/Towertalk/2005-07/msg00844.html (7,119 bytes)
2. Re: [TowerTalk] aircraft bearing (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Sat, 30 Jul 2005 14:31:21 -0500; at the rate it will be turned on a tower. <grin> 73, Keith NM5G Notice the grease fittings? This is not a "no lube / lifetime greased / etc" bearing, someone is going to have to climb the tower peri; /archives//html/Towertalk/2005-07/msg00852.html (8,488 bytes)
3. Re: [TowerTalk] aircraft bearing (score: 1): Author: "Alan NV8A (ex. AB2OS)" <nv8a@att.net>; Date: Sat, 30 Jul 2005 16:11:58 -0400; The bearings that AN Wireless sells for its towers have grease fittings too -- but I'd wager that they'll not need another shot of grease for a good few years after installation. 73 Alan NV8A On 07/3; /archives//html/Towertalk/2005-07/msg00854.html (8,028 bytes)
4. Re: [TowerTalk] aircraft bearing (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sat, 30 Jul 2005 16:34:49 -0400; Yeah, let's not forget we're talking about VERY slow rotation speeds. For that matter, my Rohn 25 pointy top has been working just fine for 9 years with a galvanized-to-galvanized "bearing" (my mast; /archives//html/Towertalk/2005-07/msg00855.html (9,387 bytes)
5. Re: [TowerTalk] aircraft bearing (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Sat, 30 Jul 2005 15:41:37 -0500; Nothing beats a chunk of UHMW for a bearing. Been running them for MANY years and I know that W7RM used them long before I did. A one inch thick block has been holding an 8L 15M Yagi in the CO winds; /archives//html/Towertalk/2005-07/msg00856.html (7,702 bytes)
6. Re: [TowerTalk] aircraft bearing (score: 1): Author: doc <kd4e@verizon.net>; Date: Sat, 30 Jul 2005 17:00:43 -0400; Didn't know to what you referred so did a search: http://www.ticona.com/index/products/uhmw-pe.htm This site does not mention outdoor use where degradation from intense and sustained sunlight destroy; /archives//html/Towertalk/2005-07/msg00857.html (9,388 bytes)
7. Re: [TowerTalk] aircraft bearing (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 30 Jul 2005 14:00:54 -0700; And, for the desperately cheap scrounger.. ask restaurants for their old plastic cutting boards (which are usually UHMW PE). They dispose of them periodically when they get too beat up to properly cl; /archives//html/Towertalk/2005-07/msg00858.html (8,981 bytes)
8. Re: [TowerTalk] aircraft bearing (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Sat, 30 Jul 2005 16:49:36 -0500; There are types of UHMW that are specifically resistant to UV, but white has held up well in the CO sunshine (300 days per year of sun and high altitudes). BUT a PROPERLY designed bearing would not e; /archives//html/Towertalk/2005-07/msg00859.html (9,555 bytes)
9. [TowerTalk] aircraft bearing (score: 1): Author: "Michael J. Castellano" <km1r@cshore.com>; Date: Sun, 31 Jul 2005 00:41:46 -0400; I'll go with John W0UN on this one. Been using a piece of lignum vitae (sp?) for years on a Telex LP-1002 log periodic. last inspection indicates I'll only get around another 50 years life out of it; /archives//html/Towertalk/2005-07/msg00863.html (8,287 bytes)
10. Re: [TowerTalk] aircraft bearing (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Sun, 31 Jul 2005 10:09:35 -0500; Rohn used to supply a wood bearing for ham use. Don't recall if it was OAK or something else but it was adequate for many ham uses. But I went with the UHMW just to see how long it would last. Rush D; /archives//html/Towertalk/2005-07/msg00864.html (9,444 bytes)
11. Re: [TowerTalk] aircraft bearing (score: 1): Author: Dino Darling <k6rix@earthlink.net>; Date: Sun, 31 Jul 2005 11:33:12 -0700 (GMT-07:00); Hello John, I had the pleasure of getting a free tour of Alpha by you when I was living in Colorado. I will never forget that! On to bearings... I've been reading this thread with great interest. I w; /archives//html/Towertalk/2005-07/msg00868.html (11,056 bytes)
12. Re: [TowerTalk] aircraft bearing (score: 1): Author: "Alan NV8A (ex. AB2OS)" <nv8a@att.net>; Date: Sun, 31 Jul 2005 14:42:43 -0400; So what would you call a *taper* roller bearing? -- it supports loads in two planes. 73 Alan NV8A On 07/31/05 02:33 pm Dino Darling tossed the following ingredients into the ever-growing pot of cyber; /archives//html/Towertalk/2005-07/msg00869.html (10,919 bytes)
13. Re: [TowerTalk] aircraft bearing (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Sun, 31 Jul 2005 13:52:21 -0500; Lots of questions and little time. Most ham rotators will take the vertical load just fine. In fact it is hard to have two bearings share this load. But you are correct in that most people mean the h; /archives//html/Towertalk/2005-07/msg00870.html (13,300 bytes)
14. Re: [TowerTalk] aircraft bearing (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sun, 31 Jul 2005 15:20:52 -0400; A wheel bearing? The original thread is on a gimbaled bearing meant to take side loads, not vertical. The gimbal allows for a change in shaft angle such as in landing gear of other parts subject to; /archives//html/Towertalk/2005-07/msg00872.html (9,383 bytes)
15. Re: [TowerTalk] aircraft bearing (score: 1): Author: "Alan NV8A (ex. AB2OS)" <nv8a@att.net>; Date: Sun, 31 Jul 2005 15:59:11 -0400; On 07/31/05 03:20 pm K8RI on Tower talk tossed the following ingredients into the ever-growing pot of cybersoup: So you think that it's a waste of money to spend $100 each for one or more of the bear; /archives//html/Towertalk/2005-07/msg00873.html (9,641 bytes)
16. Re: [TowerTalk] aircraft bearing (score: 1): Author: "Rex Lint" <rex@lint.mv.com>; Date: Sun, 31 Jul 2005 17:23:51 -0400; They used Lignum Vitae for the blocks on old sailing ships, the ones without wheels, just multiple holes, for the rigging of the tall ships. De K1HI Rex Lint 26 Brek Dr. Merrimack, NH 03054 PH: 603-8; /archives//html/Towertalk/2005-07/msg00874.html (9,571 bytes)
17. Re: [TowerTalk] aircraft bearing (score: 1): Author: Doug Faunt N6TQS +1-510-655-8604 <faunt@panix.com>; Date: Sun, 31 Jul 2005 19:09:26 -0400 (EDT); They used Lignum Vitae for the blocks on old sailing ships, the ones without wheels, just multiple holes, for the rigging of the tall ships. More significantly, lignum vitae was used for prop shaft b; /archives//html/Towertalk/2005-07/msg00876.html (9,144 bytes)
18. Re: [TowerTalk] aircraft bearing (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sun, 31 Jul 2005 20:05:31 -0400; <snip> Not at all. I'm just saying there are alternatives such as the pieces of plastic cutting board and oiled hardwood blocks. I'm using two commercial "thrust" bearings that are designed to hold w; /archives//html/Towertalk/2005-07/msg00877.html (10,555 bytes)
19. Re: [TowerTalk] aircraft bearing (score: 1): Author: Dino Darling <k6rix@earthlink.net>; Date: Sun, 31 Jul 2005 17:08:26 -0700; A taper roller bearing. :-) Dino...k6rix@earthlink.net _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lo; /archives//html/Towertalk/2005-07/msg00878.html (8,564 bytes)

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