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1. [TowerTalk] 66-Foot Vertical (overlap of tubing) (score: 1): Author: "Dick Williams" <k8ztt@mho.com>; Date: Sat, 14 Mar 2009 09:33:30 -0600; I have seen a lot of discussion of "how much" overlap of tubing you need when putting the sections together. On my "homebrew" vetical I used 3" because that is what the 80 mtr beam I used parts from; /archives//html/Towertalk/2009-03/msg00346.html (12,287 bytes)
2. Re: [TowerTalk] 66-Foot Vertical (overlap of tubing) (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Sat, 14 Mar 2009 14:13:43 -0400; Agreed although it does depend on the length of tubing beyond the joint plus the wind area. I chose 1' arbitrarily as I like to be on the safe side. A number of the commercial antennas here use from; /archives//html/Towertalk/2009-03/msg00356.html (12,672 bytes)
3. Re: [TowerTalk] 66-Foot Vertical (overlap of tubing) (score: 1): Author: Joe Reisert <Joe@Reisert.org>; Date: Mon, 16 Mar 2009 15:09:06 -0400; Roger etc. A good rule of thumb for overlapping tubing it to make the overlap at least 3 times the diameter of the tubing. Hence a 2" tube needs a minimum of 6" overlap and a 1" tube is only 3". This; /archives//html/Towertalk/2009-03/msg00445.html (14,203 bytes)

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