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Total 11 documents matching your query.

1. [TowerTalk] Homebrew Tower (score: 1): Author: bjk@ihug.co.nz (Barry Kirkwood); Date: Mon, 12 Mar 2001 18:08:36 +1300; Hello Jerry, My 1970 ARRL Antenna Book p.274-5 gives brief notes on 60ft tubular tiltover mast. The original in QST, article called "A Paul Bunyan Whip" or words to that effect. There were also later; /archives//html/Towertalk/2001-03/msg00218.html (7,277 bytes)
2. [TowerTalk] Homebrew Tower (score: 1): Author: kg5u@hal-pc.org (Dale L Martin); Date: Mon, 12 Mar 2001 07:07:22 -0600; Jan 1970 QST 44 More on Paul the Bunyan Whip (Technical Correspondence) Hubbard, Al, K0ONM Mar 1963 QST 47 Paul Bunyan Whip, The Hubbard, Alfred, K0ONM 73, dale, kg5u -- FAQ on WWW: http://www.conte; /archives//html/Towertalk/2001-03/msg00220.html (8,641 bytes)
3. [TowerTalk] Homebrew Tower (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 25 Aug 2004 14:03:06 -0400; Yes. Here's a homebrew tower I climbed at HC8N: http://users.vnet.net/btippett/new_page_7.htm (2nd photo down) "By the way, the homemade tower was constructed like Rohn 45 but using rebar for the Z-b; /archives//html/Towertalk/2004-08/msg00544.html (7,546 bytes)
4. [TowerTalk] Homebrew Tower (score: 1): Author: kb9cry@comcast.net (Phil Camera); Date: Fri, 03 Nov 2006 14:10:32 +0000; now I just need the references or some advice to work out the rest :) That's easy: https://www.utsystem.edu/DBAPPS/AcadDegree/acaddisplay.asp If this is too expensive, then call PiRod towers and buy; /archives//html/Towertalk/2006-11/msg00059.html (6,807 bytes)
5. Re: [TowerTalk] Homebrew Tower (score: 1): Author: "John Barrett" <ke5crp@verizon.net>; Date: Fri, 03 Nov 2006 09:48:42 -0600; Ya know -- I got my degree in computer science, and I do plenty of small scale engineering on my own -- milling machines, hydraulics, electric power systems, radio circuits, etc, and I've managed to; /archives//html/Towertalk/2006-11/msg00062.html (9,783 bytes)
6. [TowerTalk] Homebrew tower (score: 1): Author: "Denis Coolican" <coolican@telus.net>; Date: Fri, 26 Jun 2015 20:28:41 -0600; It is just about impossible to weld galvanized pipe. You have to grind the galvanizing off of where you intend to weld it. Then you can weld it. When grinding once you see sparks you know that you ha; /archives//html/Towertalk/2015-06/msg00283.html (6,627 bytes)
7. Re: [TowerTalk] Homebrew tower (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 28 Jun 2015 02:18:29 -0400; I would disagree with a couple of caveats, I'd remove the galvanizing with a sanding wheel. One of those constructed from strips of emery cloth or sand paper. Unlike grinding, they only remove the su; /archives//html/Towertalk/2015-06/msg00291.html (10,303 bytes)
8. [TowerTalk] Homebrew tower (score: 1): Author: Spencer <stab@centurylink.net>; Date: Sun, 28 Jun 2015 11:44:07 -0600; /Look at the water wind mill type towers (derrick) which are very strong. There are thousands here in the west. Many over 100 years old. / _______________________________________________ ____________; /archives//html/Towertalk/2015-06/msg00297.html (6,562 bytes)
9. Re: [TowerTalk] Homebrew tower (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 28 Jun 2015 15:33:55 -0400; I would be careful adding extra braces. Much of the brace strength comes from the angles between the brace and legs. Using lesser angles reduces the strength, requiring still more braces. OTOH. I dou; /archives//html/Towertalk/2015-06/msg00299.html (8,893 bytes)
10. Re: [TowerTalk] Homebrew tower (score: 1): Author: J Chaloupka via TowerTalk <towertalk@contesting.com>; Date: Sun, 28 Jun 2015 20:22:00 +0000 (UTC); What would I do as a non engineer?Materials, if you can get it, ungalvanized pipe, comonly called "black pipe", it is a better quality than galvanized, which is typically full of defects and camoflag; /archives//html/Towertalk/2015-06/msg00301.html (10,772 bytes)
11. Re: [TowerTalk] Homebrew tower (score: 1): Author: WA8JXM <wa8jxm@gmail.com>; Date: Sun, 28 Jun 2015 22:40:52 -0400; I do not believe that is accurate. Black iron pipe is essentially the same as galvanized pipe. Neither are rated as structural material. Proper material is not pipe, but rather structural steel tubin; /archives//html/Towertalk/2015-06/msg00303.html (7,849 bytes)

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