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21. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Mike" <noddy1211@sbcglobal.net>; Date: Fri, 22 Jan 2010 18:21:13 -0800; I have monitored the Steppir group from the beginning and can't remember one Stepper Motor failure and personally know six people with Steppir antennas. Stepper Motors are just about the most reliabl; /archives//html/Towertalk/2010-01/msg00542.html (10,440 bytes)
22. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Julio Peralta" <jperalta4@verizon.net>; Date: Fri, 22 Jan 2010 22:00:52 -0500; To my knowledge there have not been any motor failures. There have been some failures of the drive system components due to the break down of a particular plastic that was used but that has cleared u; /archives//html/Towertalk/2010-01/msg00544.html (11,030 bytes)
23. Re: [TowerTalk] LP v SteppIR (score: 1): Author: Dennis Vernacchia <n6ki73@gmail.com>; Date: Fri, 22 Jan 2010 19:10:05 -0800; So is a Maserati, Ferrari and Lamborghini, but who wants to maintain them If you do not have an easy way to get the antenna down to ground level stay away. ( Or a lot of money for expensive tower cli; /archives//html/Towertalk/2010-01/msg00546.html (12,545 bytes)
24. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Mike" <noddy1211@sbcglobal.net>; Date: Fri, 22 Jan 2010 19:49:47 -0800; in the pile ups' again. Mike --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com] On Behalf Of Dennis Vernacchia Sent: Friday, January 22, 2010 7:10; /archives//html/Towertalk/2010-01/msg00547.html (13,285 bytes)
25. Re: [TowerTalk] LP v SteppIR (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 22 Jan 2010 20:16:59 -0800; If you have a time delay between the two antennas (as opposed to a phase shift), then the time delay sets the angle, frequency independent. Since most folks use a hunk o' coax for the phasing, then y; /archives//html/Towertalk/2010-01/msg00548.html (9,250 bytes)
26. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Doug Turnbull" <turnbull@net1.ie>; Date: Sat, 23 Jan 2010 02:14:17 -0800; What is the wind loading of a LP compared to a three element SteppIR? 73 Doug As a guy who lives in a high density lightning strike area in southwest Colorado, I've experienced lightning strikes on t; /archives//html/Towertalk/2010-01/msg00555.html (16,087 bytes)
27. Re: [TowerTalk] LP v SteppIR (score: 1): Author: <ve3uw@bell.net>; Date: Fri, 22 Jan 2010 17:23:21 +0000; Here's my perspective on "Gain and directivity aren't everything"... During a 24-hour period the signal strength on any DX circuit may vary by over 200 dB. Also, propagation is geographically "granul; /archives//html/Towertalk/2010-01/msg00557.html (12,302 bytes)
28. Re: [TowerTalk] LP v SteppIR (score: 1): Author: brahmangou@aol.com; Date: Sat, 23 Jan 2010 10:31:29 EST; The T-8 is 8 sq feet wind loading and 53 lbs and 754.00 dollars. The Step IR 3el is 6.1 sq ft loading and 51 lbs and 1519.00. AB5GU _______________________________________________ ___________________; /archives//html/Towertalk/2010-01/msg00563.html (8,312 bytes)
29. Re: [TowerTalk] LP v SteppIR (score: 1): Author: <john@kk9a.com>; Date: Sat, 23 Jan 2010 11:04:05 -0500; I am not trying to start rumors, in fact I think that the adjustable element is a fantastic idea. Perhaps the motors itself did not actually fail in many cases, but there were other mechanical issues; /archives//html/Towertalk/2010-01/msg00567.html (11,580 bytes)
30. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Gene Fuller" <w2lu@rochester.rr.com>; Date: Sat, 23 Jan 2010 11:15:46 -0500; Using grocery store "unit priding" that's $94.75 per squate foot vs. $249.02 /sf. How about price per hours of grief, per db fwd gain, db of F/B, also for T-10, T-12, C-31,................. Why not "; /archives//html/Towertalk/2010-01/msg00568.html (9,901 bytes)
31. Re: [TowerTalk] LP v SteppIR (score: 1): Author: Joe - WDØM <wd0m@wd0m.com>; Date: Sat, 23 Jan 2010 09:23:29 -0700; The cable runs on my SteppIR total 220 feet. That's why SteppIR offers a higher voltage power supply (33VDC) for longer cable runs. Works fine, even at 7500 feet elevation in the Rockies where we've; /archives//html/Towertalk/2010-01/msg00569.html (14,215 bytes)
32. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Mike" <noddy1211@sbcglobal.net>; Date: Sat, 23 Jan 2010 08:37:06 -0800; I know what you meant, that's why I put a smiley after my rumor comment. I was making clear that the Stepper motor is a reliable technology and certainly not new and something to worry about. I am su; /archives//html/Towertalk/2010-01/msg00573.html (12,642 bytes)
33. Re: [TowerTalk] LP v SteppIR (score: 1): Author: brahmangou@aol.com; Date: Sat, 23 Jan 2010 13:21:25 EST; Hi Gene, That is exactly what I did. I weighed each parameter, then put up 8 towers and bought a lot of antennas and weighed them against each other. There is a ton of information from hams on which; /archives//html/Towertalk/2010-01/msg00579.html (8,491 bytes)
34. Re: [TowerTalk] LP v SteppIR (score: 1): Author: brahmangou@aol.com; Date: Sat, 23 Jan 2010 13:37:55 EST; Hi Gene, That is exactly what I did. I weighed each parameter, but the results were inconclusive. So I put up 8 towers and bought a lot of antennas and weighed them against each other. I found out th; /archives//html/Towertalk/2010-01/msg00580.html (9,038 bytes)
35. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Joe Subich, W4TV" <lists@subich.com>; Date: Sat, 23 Jan 2010 14:12:37 -0500; Unfortunately, if one wants a log that will hold up to any kind of wind for more than a couple years, it is not going to be cheap or light. The logs with light weight (small diameter) elements are n; /archives//html/Towertalk/2010-01/msg00586.html (9,427 bytes)
36. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Gene Fuller" <w2lu@rochester.rr.com>; Date: Sat, 23 Jan 2010 14:39:33 -0500; Hi Marty - Good info. The only exception I might caution on - I'm not sure about Tennadyne but I think some LP designs are for a 200 ohm feed point with a 4:1 balun. If that's the case a 200 ohm open; /archives//html/Towertalk/2010-01/msg00589.html (10,396 bytes)
37. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "W0MU Mike Fatchett" <w0mu@w0mu.com>; Date: Sat, 23 Jan 2010 12:55:21 -0700; This could easily be said for any antenna system. I have seen pictures where KC1XX was using an extension ladder at the top of a 200 ft tower to reach the driven element tuning box. Other than the sh; /archives//html/Towertalk/2010-01/msg00590.html (14,931 bytes)
38. Re: [TowerTalk] LP v SteppIR (score: 1): Author: RICHARD SOLOMON <w1ksz@q.com>; Date: Sat, 23 Jan 2010 19:57:57 +0000; All this chatter makes my old PRO-57A look better and better. OK guys, bombs away .... 73, Dick, W1KSZ _______________________________________________ _______________________________________________; /archives//html/Towertalk/2010-01/msg00591.html (17,788 bytes)
39. Re: [TowerTalk] LP v SteppIR (score: 1): Author: "Gene Fuller" <w2lu@rochester.rr.com>; Date: Sat, 23 Jan 2010 15:10:31 -0500; Hi Joe - Mostly valid points. However, smaller diameter elements can be strong. The 45 foot linear loaded elements in my design are only 1 5/8 " O.D. . They are "plytubular" design with up to four in; /archives//html/Towertalk/2010-01/msg00593.html (11,290 bytes)
40. Re: [TowerTalk] LP v SteppIR (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sat, 23 Jan 2010 15:37:49 -0500; I'm not sure, but can't such designs be modeled in Yagistress,and isn't there more than one way to skin a cat? This sounds very much like the Telrex approach - remember those elements with no visible; /archives//html/Towertalk/2010-01/msg00596.html (12,609 bytes)

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