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Total 13 documents matching your query.

1. [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: terry burge <ki7m@comcast.net>; Date: Mon, 13 Aug 2018 16:40:04 -0700 (PDT); Been working on my 40 meter rotatable dipole I plan to put up at 124 feet or so. But I'm worried about making sure whatever I come up with to fix the 3/16" dacron truss lines to the elements out abou; /archives//html/Towertalk/2018-08/msg00070.html (7,987 bytes)
2. [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Tue, 14 Aug 2018 09:56:28 -0700; <Been working on my 40 meter rotatable dipole I plan to put up at 124 feet or so. But I'm worried about making sure whatever I come up with to fix the 3/16" dacron truss lines to the elements out abo; /archives//html/Towertalk/2018-08/msg00082.html (10,921 bytes)
3. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Tue, 14 Aug 2018 13:15:14 -0400; You're against drilling holes, how significantly does drilling a hole effect the element strength? When I lived near Chicago I had a homebrew full sized 40m beam. I drilled the tubing and used eye-bo; /archives//html/Towertalk/2018-08/msg00085.html (9,194 bytes)
4. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: Joe Partlow <joe.w6jwp@gmail.com>; Date: Tue, 14 Aug 2018 10:52:21 -0700; I cheat: http://ac6v.com/swrmeter.html -- - 73 - - Joe W6JWP _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contestin; /archives//html/Towertalk/2018-08/msg00086.html (13,363 bytes)
5. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: Joe Partlow <joe.w6jwp@gmail.com>; Date: Tue, 14 Aug 2018 10:53:10 -0700; Sorry wrong thread. -- - 73 - - Joe W6JWP _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.; /archives//html/Towertalk/2018-08/msg00087.html (14,062 bytes)
6. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: Dave Sublette <k4to.dave@gmail.com>; Date: Tue, 14 Aug 2018 15:13:15 -0400; I built a full size dipole for 40M and put it at 105 feet on my rotating tower this Summer ... THREE times. The last time it stayed up until this moment. I started with 1.625 inch, triple wall tubing; /archives//html/Towertalk/2018-08/msg00092.html (15,990 bytes)
7. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: terry burge <ki7m@comcast.net>; Date: Tue, 14 Aug 2018 13:11:18 -0700 (PDT); Hi Jim and group, Hell of a way to wake up in the morning. Anyway, here are the dimensions. DX Engineering aluminum tubing all 0.058" wall thickness 1.250" X 6' 1.125" X 6' 1.00" X 6' Spit on the end; /archives//html/Towertalk/2018-08/msg00093.html (15,868 bytes)
8. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: <john@kk9a.com>; Date: Tue, 14 Aug 2018 21:45:16 -0400; In my opinion, this is very small tubing for a full sized 40m element. My homebrew 20m beams use 1 1/4 diameter tubing tapered to 1/2 tips. I suggest that you start by looking at the element taper sc; /archives//html/Towertalk/2018-08/msg00099.html (10,173 bytes)
9. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Tue, 14 Aug 2018 21:54:35 -0700; I second the "too small" opinion. IMO spend the $40 for Yagi Mech from DX Engineering and design for the wind velocity expected. Almost certainly some tube diameters will need single and perhaps dou; /archives//html/Towertalk/2018-08/msg00100.html (12,936 bytes)
10. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: terry burge <ki7m@comcast.net>; Date: Tue, 14 Aug 2018 23:05:55 -0700 (PDT); Well, OK you got me redesigning my little project. Don't know yet how I will change it or just start over again. I do have the 1.50" X 0.120 heavy wall also 6' long. And I am considering how I could; /archives//html/Towertalk/2018-08/msg00101.html (16,047 bytes)
11. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: "Peter Voelpel" <dj7ww@t-online.de>; Date: Wed, 15 Aug 2018 09:41:04 +0200; Hi Terry, The full size elements of my 40m yagi start with 2 3/8" tubing 0,1" wall thickness. Using larger tubing is far more effective then more wall thickness. I would go for a short dipole with lo; /archives//html/Towertalk/2018-08/msg00102.html (16,826 bytes)
12. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: Wes Stewart <wes_n7ws@triconet.org>; Date: Mon, 13 Aug 2018 19:28:56 -0700; I used some welded D-rings, secured with stainless steel hose clamps to guy my 55' feet of mostly DXEngineering tubing inverted-L. Theoretically self-supporting I wanted to reduce sway and one ring; /archives//html/Towertalk/2018-08/msg00105.html (9,319 bytes)
13. Re: [TowerTalk] supporting a 40 meter rotatable dipole with trusses (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Wed, 15 Aug 2018 15:44:01 -0400; KI7M was looking for suggestions for trussing rotatable dipole. John KK9A To: towertalk@contesting.com Subject: Re: [TowerTalk] FW: supporting a 40 meter rotatable dipole with trusses From: W0MU Mike; /archives//html/Towertalk/2018-08/msg00109.html (10,112 bytes)

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