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1. [TowerTalk] acceptable boom sag ? (score: 1): Author: Bob K6UJ <k6uj@pacbell.net>; Date: Thu, 2 Nov 2017 23:58:38 +0000 (UTC); I am trying to eliminate truss wires if I can on a 4 EL 20M yagi I am building.Using DX Engineering's Yagi Mech software I show about 5.5 inches of sag on each end of the 30 foot boom. I am using 2"; /archives//html/Towertalk/2017-11/msg00045.html (8,581 bytes)
2. Re: [TowerTalk] acceptable boom sag ? (score: 1): Author: <john@kk9a.com>; Date: Thu, 2 Nov 2017 22:24:42 -0400; I truss is so simple to build and inexpensive, why are you against having one? I use a 300 "x .125 boom on my HB 4el 20m OWA and a truss. John KK9A I am trying to eliminate truss wires if I can on a; /archives//html/Towertalk/2017-11/msg00046.html (7,137 bytes)
3. Re: [TowerTalk] acceptable boom sag ? (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Fri, 3 Nov 2017 07:19:47 -0400; Of course I meant that I use 3.00" (not 300) diameter boom on my 20m beams. One reason is that the DX engineering heavy duty insulated brackets that I use are made for 3" boom and they fit my 1.25" d; /archives//html/Towertalk/2017-11/msg00049.html (9,949 bytes)

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