Pat:
For 3" irrigation tubing, I used EMT conduit bought at a local
electrical supply house. At this time, I do not remember the exact
size I used. However, one of the standard sizes fits very nicely as a
splice. If you check, make sure you get the OD measurements since I
think this was another potential ID/OD, pipe/tubing issue. I also seem
to remember the conduit coming in 8 foot lengths.
73 charlie, k1xx/4
----- Original Message -----
From: Pat Chiles <chilesp@adelphia.net>
Date: Friday, November 3, 2006 10:28 am
Subject: [TowerTalk] Questions about Irrigation Pipe for Verticals
To: towertalk@contesting.com
> I am in the process of putting together a project that will
> consist of phased 1/4 wave verticals for 80 meters. For my QTH
> the most cost effective resource of aluminum tubing is 3 inch
> irrigation pipe. The wall thickness is .050 and it comes in 10,
> 20, and 30 foot lengths. Since I will have to transport it myself
> I will probably buy the 20 ft lengths. I am wondering what some
> of you have done to splice sections together? How you varied the
> length of the vertical for adjusting the SWR.? Finally, How did
> you get it vertical? Thanks
>
> Pat, K8PC
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