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21. Re: [TowerTalk] High VSWR (score: 1): Author: Glenn Pritchard <gpritchard7000@gmail.com>; Date: Sun, 1 Sep 2019 06:04:12 -0700; The antenna and tower design was fine, we had over the years installed quite a few of these systems from Sabre, Hy-Gain, Rockwell to US Antenna and never had a failure. It was unfortunate that the cl; /archives//html/Towertalk/2019-09/msg00004.html (9,120 bytes)
22. Re: [TowerTalk] High VSWR (score: 1): Author: Kelly Taylor <ve4xt@mymts.net>; Date: Sun, 1 Sep 2019 08:27:50 -0500; I can see the attraction of a system such as this to government, where a single antenna to cover all of HF might be needed, but in an amateur station, it seems like a ton of money putting all eggs in; /archives//html/Towertalk/2019-09/msg00005.html (10,249 bytes)
23. Re: [TowerTalk] High VSWR (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Sun, 1 Sep 2019 06:58:07 -0700; I've seen tests were 40% of the tension was lost in the pulley. Ball bearing sheaves and some polymer sleeve bearings can substantially reduce friction loss. Pretty important when Armstrong powered.; /archives//html/Towertalk/2019-09/msg00006.html (9,877 bytes)
24. Re: [TowerTalk] High VSWR (score: 1): Author: Charles Gallo <charlie@thegallos.com>; Date: Sun, 1 Sep 2019 10:01:40 -0400; A lot of people couldnt care about SO2R. If you arent a contester it doesnt do you much good -- 73 de KG2V Charlie _______________________________________________ ___________________________________; /archives//html/Towertalk/2019-09/msg00007.html (7,915 bytes)
25. Re: [TowerTalk] High VSWR (score: 1): Author: Charles Gallo <charlie@thegallos.com>; Date: Sun, 1 Sep 2019 10:36:58 -0400; By in large, almost every ham item I see is under designed mechanically (not just towers). We get away with things because, well, we accept a certain amount of failure, and we arent willing to pay t; /archives//html/Towertalk/2019-09/msg00008.html (9,107 bytes)
26. Re: [TowerTalk] High VSWR (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Sun, 1 Sep 2019 08:38:58 -0700; I agree. Good explanation Patrick. Aerodynamic balance is the key. Jim, VE7RF was explaining the same point about the CG (center of gravity) What I don't understand is why the manufacturer didn't ach; /archives//html/Towertalk/2019-09/msg00009.html (9,752 bytes)
27. [TowerTalk] High VSWR (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sun, 1 Sep 2019 09:22:03 -0700; <That is a bad idea, the torque force on the rotor under high winds will become much larger. <73 <Peter it gets even better, the LPDA is mounted ABOVE the mast, instead of the SIDE of the mast. Tq wi; /archives//html/Towertalk/2019-09/msg00010.html (9,322 bytes)
28. Re: [TowerTalk] High VSWR (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Sun, 1 Sep 2019 11:18:09 -0700; SO2R is still feasible with the proper diplexer as long as the two operators can work stations in the same direction. This antenna's beamwidth is 70 degrees, so there is plenty of leeway geographical; /archives//html/Towertalk/2019-09/msg00011.html (12,221 bytes)
29. Re: [TowerTalk] High VSWR (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Sun, 1 Sep 2019 11:41:19 -0700; I would like to talk to you about that vane idea when I get further along on the repair of this LP. Those back 4 elements are really heavy, so placing the boom-to-mast mounting plate in the physical; /archives//html/Towertalk/2019-09/msg00012.html (11,366 bytes)
30. Re: [TowerTalk] High VSWR (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Sun, 1 Sep 2019 18:48:11 +0000; A hard-fought county variance was required for this antenna. Multiple towers would have been right-out. Its so nice to live in a free country Ken K6MR ________________________________ From: TowerTalk; /archives//html/Towertalk/2019-09/msg00013.html (12,916 bytes)
31. Re: [TowerTalk] High VSWR (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Sun, 1 Sep 2019 14:21:24 -0500; If you had the freedom you apparently want, so would your next door neighbor, the one who aspires to be a pig farmer. I am in a rural setting (black Angus ranch) with no one to answer to re my tower; /archives//html/Towertalk/2019-09/msg00014.html (14,310 bytes)
32. Re: [TowerTalk] High VSWR (score: 1): Author: "Bob Shohet, KQ2M" <kq2m@kq2m.com>; Date: Sun, 1 Sep 2019 16:07:18 -0400; A lot of people couldnt care about SO2R. If you arent a contester it doesnt do you much good Actually, thats not true at all. I find SO2R to be of exceptional value when trying to work a rare DXpedit; /archives//html/Towertalk/2019-09/msg00015.html (10,838 bytes)
33. Re: [TowerTalk] High VSWR (score: 1): Author: "dj7ww@t-online.de" <dj7ww@t-online.de>; Date: Sun, 1 Sep 2019 22:26:39 +0200 (CEST); Jim, You did not mention before that the installation of a vane becomes necessary when you mount the boom at it´s center! With that vane I agree that the antenna is torque balanced but you need more; /archives//html/Towertalk/2019-09/msg00016.html (9,937 bytes)
34. Re: [TowerTalk] High VSWR (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sun, 1 Sep 2019 15:10:35 -0700; On 9/1/19 11:41 AM, Doug Ronald wrote: I would like to talk to you about that vane idea when I get further along on the repair of this LP. Those back 4 elements are really heavy, so placing the boom-; /archives//html/Towertalk/2019-09/msg00017.html (9,786 bytes)
35. Re: [TowerTalk] High VSWR (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Sun, 1 Sep 2019 17:00:21 -0700; I have been thinking about getting a big Steppir DB36. You guys are scaring me off. hihi Bob K6UJ _______________________________________________ _______________________________________________ Tower; /archives//html/Towertalk/2019-09/msg00018.html (10,469 bytes)
36. [TowerTalk] High VSWR (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Mon, 2 Sep 2019 09:41:27 -0700; Jim, You did not mention before that the installation of a vane becomes necessary when you mount the boom at it?s center! required....at light end. With the boom just mounted at it?s center, the wind; /archives//html/Towertalk/2019-09/msg00019.html (9,066 bytes)
37. Re: [TowerTalk] High VSWR (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Mon, 2 Sep 2019 21:39:11 -0700; I understand the objectives and mechanics of wind torque balancing of a beam. Leeson explains how to do this with round elements so it works at all wind angles. (Physical Design of Yagi Antennas, cha; /archives//html/Towertalk/2019-09/msg00023.html (9,145 bytes)
38. Re: [TowerTalk] High VSWR (score: 1): Author: john@kk9a.com; Date: Tue, 03 Sep 2019 07:09:57 -0500; Looking at the photos it seems incredible that a variance was needed and was difficult to obtain. W6DSR's antenna system appears to be in a very rural area. John KK9A A hard-fought county variance wa; /archives//html/Towertalk/2019-09/msg00026.html (8,311 bytes)
39. Re: [TowerTalk] High VSWR (score: 1): Author: john@kk9a.com; Date: Tue, 03 Sep 2019 07:13:43 -0500; There are people that don't contest? John KK9A - W4AAA Perhaps one tower is all he had space to raise, but it also seems like a huge sum of money to not even get SO2R capability. A lot of people coul; /archives//html/Towertalk/2019-09/msg00027.html (8,433 bytes)
40. Re: [TowerTalk] High VSWR (score: 1): Author: Steve Maki <lists@oakcom.org>; Date: Tue, 3 Sep 2019 07:57:22 -0400; I can't wrap my head around this. Yes, the element is "torque balanced" at it's own center, but at the boom center? I think not. -Steve K8LX required....at light end. Each ele is symetrical...so the; /archives//html/Towertalk/2019-09/msg00030.html (9,436 bytes)

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