Mail Archive Search: <+from:k8ri-tower@charter.net>

Results:

References: [ +from:k8ri-tower@charter.net: 485 ]

Total 485 documents matching your query.

381. Re: [TowerTalk] RF Exposure Calculator (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Wed, 26 Apr 2006 04:55:30 -0400; Generally if you are talking inverted V you are taling 150, 75, or 40. Evne when running the full legal limit, key down on those bands you can get within a couple of feet of the ends of the antennas; /archives//html/Towertalk/2006-04/msg00443.html (12,895 bytes)
382. Re: [TowerTalk] RF Pattern (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Thu, 27 Apr 2006 16:41:02 -0400; http://n5xu.ae.utexas.edu/rfsafety/power.shtml gives a good explanation and examples. It's pretty straight forward. It's based on a 30 minute period over an uncontrolled area and 6 minutes over a co; /archives//html/Towertalk/2006-04/msg00465.html (10,537 bytes)
383. Re: [TowerTalk] Painting antennas (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sat, 29 Apr 2006 13:29:21 -0400; Hello TTers, Would like to know if any of you have some experience with antenna´s painting. I´d like to add an extra protection to the aluminium elements of my yagi. Would it affect the p; /archives//html/Towertalk/2006-04/msg00514.html (7,540 bytes)
384. Re: [TowerTalk] OT: Propane Tank near lightning ground (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sun, 30 Apr 2006 04:11:28 -0400; Basically where ever you have a curve it is a slight weakening. The sharper the curve the more the weakness even though it may not be much until the radius gets small it is still there. We run into t; /archives//html/Towertalk/2006-04/msg00537.html (10,918 bytes)
385. Re: [TowerTalk] OT: Propane Tank near lightning ground (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sun, 30 Apr 2006 04:13:38 -0400; That opens a whole nuther can of worms. Burying a fuel tank comes with a whole lot of regulations and requirements. Roger Halstead (K8RI and ARRL 40 year Life Member) N833R - World's oldest Debonair; /archives//html/Towertalk/2006-04/msg00538.html (11,532 bytes)
386. Re: [TowerTalk] superflex for rotor loop? (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sun, 30 Apr 2006 13:29:28 -0400; However a well designed rotator loop will minimize the flexing. I have mine set up to form a fairly large diameter (roughly 18"), two-turn coil that lays on the tower top plate. A 360 degree rotatio; /archives//html/Towertalk/2006-04/msg00549.html (9,467 bytes)
387. Re: [TowerTalk] Tower Painting (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Mon, 1 May 2006 14:58:33 -0400; Older aircraft (those of the so called "rag and tube" construction) had a fabric covering over a welded steel tube frame. The tubing was filled with hot linseed oil and let set for a while before dr; /archives//html/Towertalk/2006-05/msg00031.html (9,302 bytes)
388. Re: [TowerTalk] Tower Painting (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Mon, 1 May 2006 15:45:22 -0400; I'm not sure if the above is in reference to my remark about doing the inside of the masts and legs with the primer, but yes that is the primer to which I was refering. "I think" there is a chemical; /archives//html/Towertalk/2006-05/msg00034.html (9,382 bytes)
389. Re: [TowerTalk] Tower Painting (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Mon, 1 May 2006 18:41:18 -0400; When you use it in liquid form, as I do and pour it into the tower legs a quart should be plenty, particularly when it is cut with thinnner.. The thing is, you need many gallons of paint to do even; /archives//html/Towertalk/2006-05/msg00042.html (13,612 bytes)
390. Re: [TowerTalk] why not regalvanize? (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Mon, 1 May 2006 22:21:30 -0400; It depends on the paint and the condition of the rusted spot. Some paints claim to chemicaly inhibit the process. I do think the Rustoleum (TM) primer that says for rusted metal really does work as; /archives//html/Towertalk/2006-05/msg00055.html (10,801 bytes)
391. Re: [TowerTalk] why not regalvanize? (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Tue, 2 May 2006 01:04:23 -0400; If it's liquid and we are talking about tower legs long lengths it should be easy to apply internally via spray, pouring, or dipping. Pouring one leg at-a-time would seem like the easiest approach w; /archives//html/Towertalk/2006-05/msg00061.html (9,457 bytes)
392. Re: [TowerTalk] SteppIr's suck (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Fri, 12 May 2006 00:55:24 -0400; Sorry a couple of you received two of this. I hit the wrong key. Move to Michigan. We protect the farms in most areas. Don't like the smell. Too bad. The farmer has a couple of days to get that *stuf; /archives//html/Towertalk/2006-05/msg00221.html (14,272 bytes)
393. [TowerTalk] Thrust bearing shot (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Fri, 12 May 2006 18:33:41 -0400; I thought I'd pass on some information. It seems like even with care planning for problems when pushing the limits the problems turn up where we don't expect them. I'm running a 97 foot ROHN 45G. The; /archives//html/Towertalk/2006-05/msg00232.html (8,323 bytes)
394. Re: [TowerTalk] Rohn Self Support Chart Says....... (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Fri, 12 May 2006 23:56:53 -0400; My 1990 catalog states "Guyed ROHN towers are not self supporting at any height". OTOH it seems like I have an older catalog that gives information for self supporting installations. Unfortunately I; /archives//html/Towertalk/2006-05/msg00239.html (8,639 bytes)
395. Re: [TowerTalk] Thrust bearing shot (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sat, 13 May 2006 00:22:08 -0400; I've thought of those as well as taper bearings (like a wheel bearing of the proper size but with both races) In that case you do have to cut inner and outer retaining rings though. My big problem w; /archives//html/Towertalk/2006-05/msg00240.html (12,869 bytes)
396. Re: [TowerTalk] RE : Thrust bearing shot (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sat, 13 May 2006 00:26:35 -0400; Even cheaper: use UltraHighMolecularWeight (UHMW) polyethylene (aka poor man's teflon), or, for that matter, HDPE (high density PolyEthylene), as ** Structurally Poly is a whold lot stronger than Tef; /archives//html/Towertalk/2006-05/msg00241.html (10,301 bytes)
397. Re: [TowerTalk] Rohn Self Support Chart Says....... (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Sat, 13 May 2006 12:48:24 -0400; I don't think that's quite what they meant<:-)) Roger Halstead (K8RI and ARRL 40 year Life Member) N833R - World's oldest Debonair CD-2 www.rogerhalstead.com ________________________________________; /archives//html/Towertalk/2006-05/msg00249.html (8,125 bytes)
398. Re: [TowerTalk] SteppIr's suck (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Wed, 17 May 2006 00:33:42 -0400; Two things were different there but Chicago did get fined the maximum amount for not giving the required advanced notice. That fine in the future will be raised by several orders of magnitude due to; /archives//html/Towertalk/2006-05/msg00295.html (12,929 bytes)
399. Re: [TowerTalk] RE : SteppIr's are BEAUTIFUL!!!! (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Wed, 17 May 2006 00:39:58 -0400; I've been trying to find the first part of this post but it has never turned up in my mail. I hope it doesn't have the word digest in the subject. I thought I got around that but aparently not. I ha; /archives//html/Towertalk/2006-05/msg00296.html (8,721 bytes)
400. Re: [TowerTalk] Using a crane (score: 1): Author: "K8RI on Tower talk" <k8ri-tower@charter.net>; Date: Wed, 17 May 2006 22:41:07 -0400; You'd probably need to add at least one for the crane that could reach a 200 footer. Roger Halstead (K8RI and ARRL 40 year Life Member) N833R - World's oldest Debonair CD-2 www.rogerhalstead.com ___; /archives//html/Towertalk/2006-05/msg00318.html (8,268 bytes)

Current List: 381 - 400
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]