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21. Antenna (score: 1): Author: n4si@techinter.com (n4si); Date: Wed, 4 Dec 1996 01:13:17 +0000; To: <towertalk@contesting.com> I don't mean to be picky, and maybe it's because I'm a big fan of HyGain antennas, but, while "trial and error" is a somewhat accurate representation of the "cut and t; /archives//html/Towertalk/1996-12/msg00051.html (9,009 bytes)
22. Rohn 20g...oops (score: 1): Author: n4si@techinter.com (n4si); Date: Sun, 8 Dec 1996 02:52:10 +0000; To: <towertalk@contesting.com> And for those that don't know how many for each: 7 braces (6 bays) per section for 20 8 braces (7 bays) per section for 25 Also in the top section (2xAGx) there is an o; /archives//html/Towertalk/1996-12/msg00105.html (7,644 bytes)
23. HDBX help (score: 1): Author: n4si@techinter.com (n4si); Date: Sun, 8 Dec 1996 05:15:50 +0000; To: <towertalk@contesting.com> The HDBX40 is merely sections 8 through 4, also rated at 18 sq ft, if memory serves (IMS?). There is also an HBX48, which is sections 7 through 2, and an HBX 40, which; /archives//html/Towertalk/1996-12/msg00107.html (9,554 bytes)
24. Questions (score: 1): Author: n4si@techinter.com (n4si); Date: Sun, 8 Dec 1996 20:48:54 +0000; To: <towertalk@contesting.com> Tower Heads. I like that. Good one, Steve! 73, Rod N4SI The DXer formerly known as N9AKE (c) 5 November, 1996 -- FAQ on WWW: http://www.contesting.com/towertalkfaq.htm; /archives//html/Towertalk/1996-12/msg00115.html (7,176 bytes)
25. ELECTRIC WINCH (score: 1): Author: n4si@techinter.com (n4si); Date: Thu, 12 Dec 1996 21:28:18 +0000; To: <towertalk@contesting.com> Stuff has been written: And responded: Anyway, E-B Marine has a Web page at : http://www.ebmarine.com They have several outlets around the country, all listed on the pa; /archives//html/Towertalk/1996-12/msg00177.html (8,293 bytes)
26. Long masts, winches (score: 1): Author: n4si@techinter.com (n4si); Date: Thu, 12 Dec 1996 22:22:36 +0000; (long description of installing a large mast inside a tower) Glenn, What an excellent method and description of the long mast! I have a fair amount of experience in masts that are longer than twice; /archives//html/Towertalk/1996-12/msg00178.html (7,686 bytes)
27. Homebrew tower (score: 1): Author: n4si@techinter.com (n4si); Date: Sun, 15 Dec 1996 17:22:46 +0000; Rick, back in the 70s, when I got re-involved with radio and was putting a station together, I just couldn't seem to scrape together the $25 per section for Rohn 25 to put up 30 feet of tower on my; /archives//html/Towertalk/1996-12/msg00222.html (9,466 bytes)
28. Guy Line Tension (score: 1): Author: n4si@techinter.com (n4si); Date: Mon, 16 Dec 1996 04:44:02 +0000; Editted somewhat: The way you have that worded is a little confusing, but essentially, he is correct. Do a plot of vectors of force (simple Pythagorean theorem stuff) and you will see that to have th; /archives//html/Towertalk/1996-12/msg00234.html (8,850 bytes)
29. Anchor Rod Failure (score: 1): Author: n4si@techinter.com (n4si); Date: Mon, 16 Dec 1996 21:19:26 +0000; Yes, but you're tensioning at 10% of 6700# strength. That's three guys at 670# each (2010# total) load. Should be plenty of safety factor there. The next size certainly won't hurt, but tension on th; /archives//html/Towertalk/1996-12/msg00245.html (7,494 bytes)
30. Anchor Rod Failure (score: 1): Author: n4si@techinter.com (n4si); Date: Tue, 17 Dec 1996 00:18:33 +0000; In my haste to provide worldly insights, and erudite observations, I neglected to consider and communicate that my answer (the 10% stuff) was a "no-wind" static circumstance. As wind forces develop,; /archives//html/Towertalk/1996-12/msg00247.html (8,215 bytes)
31. Rohn 25 bolts (score: 1): Author: n4si@techinter.com (n4si); Date: Tue, 17 Dec 1996 03:55:59 +0000; I think the Rohn bolt kits are the best way to go. They are relatively inexpensive, (certainly less so than SS) and the "right" ones. The bolt sizes are 5/16" and 1/4" x 1 1/2 (I think; the 5/16 and; /archives//html/Towertalk/1996-12/msg00255.html (8,626 bytes)
32. Walk Under Guy Anchors: (score: 1): Author: n4si@techinter.com (n4si); Date: Tue, 17 Dec 1996 04:10:19 +0000; I'll let Steve do the math part. In a magazine several years ago, I recall seeing someone order 2 extra sets of equalizer plates (the triangular things with holes for either 3 or 5 sets of guys) fro; /archives//html/Towertalk/1996-12/msg00256.html (7,508 bytes)
33. Rohn bolts (score: 1): Author: n4si@techinter.com (n4si); Date: Tue, 17 Dec 1996 21:41:08 +0000; Just an idea, with no claim to actual knowledge. My previous comments about being able to back off SAE threads even through rust because of the shallower thread angle, suggests an increased holding; /archives//html/Towertalk/1996-12/msg00284.html (7,725 bytes)
34. guy anchor plates (score: 1): Author: n4si@techinter.com (n4si); Date: Wed, 18 Dec 1996 02:46:35 +0000; Glenn, I respectfully disagree on the heft of the plates. Although I couldn't find specs for the thickness in the Rohn manual, I did go out and look at mine, and they are at least 3/16". I don't mean; /archives//html/Towertalk/1996-12/msg00299.html (8,467 bytes)
35. Erecting Long Masts (score: 1): Author: n4si@techinter.com (n4si); Date: Wed, 18 Dec 1996 20:35:16 +0000; Good point Glenn. I modified a Rohn ASx5 rotor plate on my installation to carry a hardwood block for an intermediate plate. The key to homebrewing is your "carefully centered" phrase. I have a frie; /archives//html/Towertalk/1996-12/msg00319.html (9,021 bytes)
36. Erecting Long Masts (score: 1): Author: n4si@techinter.com (n4si); Date: Wed, 18 Dec 1996 20:35:16 +0000; (more editting) Well, Gary, I am not an engineer; just a semi-professional amateur tower erector, but your method sounds good to me. I also like to set my rotator at the bottom of the top section in; /archives//html/Towertalk/1996-12/msg00320.html (9,185 bytes)
37. Plymouth 85 CW (score: 1): Author: n4si@techinter.com (n4si); Date: Wed, 18 Dec 1996 20:35:17 +0000; Fred, Another great tip hidden away. I wish I had learned this 20 years ago. Anyone who has ever had to take apart a CoaxSealed connector that wasn't taped first, has cursed the day they ever heard; /archives//html/Towertalk/1996-12/msg00321.html (6,902 bytes)
38. Bottom bearings (score: 1): Author: n4si@techinter.com (n4si); Date: Thu, 19 Dec 1996 21:59:19 +0000; All of which brings to mind my favorite tool tip. A Chain Grip (R). It looks like a plumber's chain wrench, combined with a Vise Grip (R). About $20-25 at your local tool emporium. It will act as a; /archives//html/Towertalk/1996-12/msg00342.html (8,368 bytes)
39. Guys on self-supporting towers (score: 1): Author: n4si@techinter.com (n4si); Date: Sat, 21 Dec 1996 02:25:27 +0000; I have a Rohn book old enough to have that information, and I'll look it up if you really want me to, however I can tell you from memory that 25 specs were for 2 sq ft of antenna and about a 30 foot; /archives//html/Towertalk/1996-12/msg00386.html (8,987 bytes)
40. Radial wire plows (score: 1): Author: n4si@techinter.com (n4si); Date: Tue, 24 Dec 1996 02:11:57 +0000; (heavy editing) (some editing) An article that set the premise for the following method by asking the reader to recall shooting arrows at a target, and subsequently having to retrieve those that had; /archives//html/Towertalk/1996-12/msg00411.html (9,121 bytes)

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