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161. Re: [TowerTalk] Confusion reins. (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Tue, 6 Jul 2004 20:58:12 -0400; Dick... it's "lightning"... and don't you mean "Confusion reigns"?? :-) 73, Jerry K3BZ -- Original Message -- From: nj9k@wi.rr.com To: towertalk@contesting.com Sent: Tuesday, July 06, 2004 8:24 PM Su; /archives//html/Towertalk/2004-07/msg00219.html (8,425 bytes)
162. Re: [TowerTalk] Confusion reins. (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Tue, 6 Jul 2004 21:00:32 -0400; Phil... why should we read Polyphaser's expert opinions when we can have such a stimulating exchange of opinions here on TowerTalk? ;-) 73, Jerry -- Original Message -- From: Phil Camera To: nj9k@wi.; /archives//html/Towertalk/2004-07/msg00220.html (10,053 bytes)
163. Re: [TowerTalk] Lighting (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Tue, 6 Jul 2004 23:24:32 -0400; OK, one more try! Your example describes the cloud as already over the tower. My "gradually and constantly bleeding off the charge" scenario takes place before that, before the storm arrives. In my s; /archives//html/Towertalk/2004-07/msg00227.html (13,040 bytes)
164. Re: [TowerTalk] Lighting (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 7 Jul 2004 16:37:10 -0400; I don't see a significant difference except the obvious one of scale. Excess electrons will travel to where there is a home for them, one way or another... a (relative) few at a time, as they accrue.; /archives//html/Towertalk/2004-07/msg00282.html (16,140 bytes)
165. Re: [TowerTalk] Replying to the list...AGAIN! (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Tue, 20 Jul 2004 19:58:07 -0400; How could any of us possibly know if a posting is of interest or not if it is sent direct and not to the reflector? Sometimes a poster asks for responses to go direct, and that takes some judgement,; /archives//html/Towertalk/2004-07/msg00550.html (10,296 bytes)
166. Re: [TowerTalk] Re: Thrust bearing (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 15:48:48 -0400; I use two thrust bearings, one at the top and one a couple of feet down the mast. The rotator is a couple of feet below the bottom TB. The top TB is merely a guide; the bottom TB supports all (or nea; /archives//html/Towertalk/2004-07/msg00640.html (11,732 bytes)
167. Re: [TowerTalk] Re: Thrust bearing (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 16:18:48 -0400; Sorry, in my previous post I should have mentioned: My top "thrust bearing" is actually what N4NM calls a "pointy-top"... a tube attached to the top tower section thru which the mast passes... which; /archives//html/Towertalk/2004-07/msg00644.html (12,806 bytes)
168. Re: [TowerTalk] Re: Thrust bearing (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 16:46:33 -0400; -- Original Message -- I figure the less weight that bears on the rotator, the longer it will last.... and TB's are cheaper than rotators! N4NM comment: I have always been taught that ball and roller; /archives//html/Towertalk/2004-07/msg00648.html (10,071 bytes)
169. Re: [TowerTalk] Re: Thrust bearing (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 16:54:03 -0400; Chuck, N4NM raises the question whether taking all the vertical weight load off the rotator will have some adverse effect on it, due to failure to "preload" the bearings, etc. I dunno. But even thoug; /archives//html/Towertalk/2004-07/msg00650.html (10,859 bytes)
170. Re: [TowerTalk] Re: Thrust bearing (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 16:54:56 -0400; Chuck, I'm no engineer (I just play at being one) but it seems obvious that, like any other part of the system, a TB needs to be rated for the loads placed on it, both vertical and horizontal loads I; /archives//html/Towertalk/2004-07/msg00651.html (10,536 bytes)
171. [TowerTalk] HD-73 Rotator on E-Bay (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 17:07:28 -0400; In case anyone's interested, there's an HD-73 rotator on e-bay http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5710588141&ssPageName=ADME:L:DS:US:8 73, Jerry K3BZ _________________________________; /archives//html/Towertalk/2004-07/msg00653.html (7,238 bytes)
172. [TowerTalk] Yaesu FAS-1-4R on E-Bay (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 17:10:06 -0400; There's also a brand new Yaesu FAS-1-4R Remote Antenna Switch on E-Bay http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5710588217&ssPageName=ADME:L:DS:US:8 I think someone here was looking for one; /archives//html/Towertalk/2004-07/msg00654.html (7,063 bytes)
173. Re: [TowerTalk] Re: Thrust bearing (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Thu, 22 Jul 2004 20:05:44 -0400; The point about mast expansion is very interesting, but am I correct in thinking that it wouldn't produce any problem if the weight of the mast and antennas is borne by the clamps bearing on the thru; /archives//html/Towertalk/2004-07/msg00667.html (10,849 bytes)
174. Re: [TowerTalk] Aluminum Pipe/Tubing Needed (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Fri, 23 Jul 2004 15:54:57 -0400; Try Heights Tower... www.heightstowers.com Click on Accessories They have a 12 foot 2" diameter 6061T6 alloy aluminum mast for $77.00... pretty cheap... I use one and it's FB... Looking for a 12' len; /archives//html/Towertalk/2004-07/msg00698.html (9,096 bytes)
175. Re: [TowerTalk] spider balls (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Tue, 27 Jul 2004 23:15:37 -0400; snip... "Never heard of any proof that they work as advertised, to lessen the risk of a strike." snip Never heard of any proof they don't work, either. 73, Jerry K3BZ -- Original Message -- From: Kei; /archives//html/Towertalk/2004-07/msg00791.html (14,764 bytes)
176. Re: [TowerTalk] spider balls (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 28 Jul 2004 09:44:07 -0400; No, I don't sell spiderballs or anything else. I don't use a spiderball either. But I constantly hear this or that about how lightning will or won't strike here or there for whatever reason... and as; /archives//html/Towertalk/2004-07/msg00805.html (18,037 bytes)
177. Re: [TowerTalk] spider balls (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 28 Jul 2004 10:07:25 -0400; Sure. It's OK to be negative without adequate supportive data, but not positive. It's OK to look for reasons to disbelieve. On the other hand, I think it's reasonable that pointy objects at the top o; /archives//html/Towertalk/2004-07/msg00806.html (10,895 bytes)
178. Re: [TowerTalk] spider balls (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 28 Jul 2004 13:18:38 -0400; I don't think the way pointy things on towers might work is at all contrary to established charge behavior. Quite the contrary. Maybe I just think of charge behavior differently than others would, I; /archives//html/Towertalk/2004-07/msg00825.html (11,868 bytes)
179. Re: [TowerTalk] spider balls (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 28 Jul 2004 16:04:15 -0400; Those are pretty big assumptions. Since there are so many variables, and they likely vary so widely, I doubt the chances that any particular set of assumptions can represent a "typical" strike for th; /archives//html/Towertalk/2004-07/msg00845.html (12,373 bytes)
180. [TowerTalk] Lightning Strikes Map (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 28 Jul 2004 17:40:55 -0400; The spiderballs thread has been very entertaining and occasionally enlightening (no pun). My grandaughter saw the titles and wanted to know if spiderballs were...yuck!... anything like meatballs, and; /archives//html/Towertalk/2004-07/msg00856.html (7,365 bytes)

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