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## [TowerTalk] "Double" V-Beam Question(Long, delete if not interested)

 To: [TowerTalk] "Double" V-Beam Question(Long, delete if not interested) jreid@aloha.net (Jim Reid) Tue, 18 Mar 1997 19:08:06 -1000
 ```Aloha, OK, I have not been able to figure out a switching set up to feed one ladder line to three V-beams. But, en-vision only four wires, which could form three V-bemas, sharing the center two wires, with each wire 4 wave lengths long, and at angles of 50 degress to one another, such that the four wires were spread over about 150 degrees of azimuth. These are fed with the two right most wires tied together at the near end, and the two left most wires tied together, and then fed by one ladder line! Imagine this picture, maybe you can: VVV, now pull the bottoms of those three V's together (alomost anyway, split the center V!), merging the two inner left most lines together, and then the two innermost inner right lines, and you have a total of only three V's, with four wires, angles between adjacent wires is 50 degrees, say. The left side wires, a V looking to the left are 50 degrees apart, but fed by left side of the ladder line. The center two wires, forming a 50 degree V straight ahead, are fed by opposite sides of the ladder line, and the left side center wire is tied in common with the outermost left side wire. The right side wires, a 50 degree V looking to the right are fed commonly together at the feed point by the right side of the ladder feed line. Questions I have are: Cam this be modeled, if so by what program? Answers looked for are: What might be the performance of this thing over a single 4 wave long wire aimed down the center of the center V? Performance compared to a single half wave dipole perpendicular to the central axis of the center V? Thinking about setting up something, like this, with the central V aimed South, long path to most of the rest of the world from Kauai! Mostly interested in 160 thru 30 meters, with the wires 4 wave lengths long on 40 meters, or about 560 feet long each. >From here on Kauai, nearly all of the DX world would be covered by such a thing spreading the energy (in two directions since V's are bi-directional) over a 150 degree arc. Obviously, more gain comes from three ladder lines, some how swithed to accomodate the three V's separately. Any thoughts about this would be GREATLY appreciated; especially before I go off and order 3000 feet or so of #14 wire and start to put this thing up! 73 and Mahalo in advance for anyone who cares to look ar this thing! Jim, KH7M On the Garden Island of Kauai -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com Sponsored by: Akorn Access, Inc. & N4VJ / K4AAA ```
 Current Thread [TowerTalk] "Double" V-Beam Question(Long, delete if not interested), Jim Reid <= [TowerTalk] "Double" V-Beam Question(Long, delete if not interested), T. A. Russell [TowerTalk] "Double" V-Beam Question, L. B. Cebik