[TowerTalk] Telescoping aluminum tubing?

[Dave Sublette]

I generally use 4 inches overlap for 2 inch diameter and 2 inches for an
inch and smaller.  If your sections are more than six feet in length, I
would consider adding an inch of overlap.  This is not based on any
engineering calculation, but rather my experience over the past 40 years.

I recently bought some J_K antennas and that is about what they use.  They
are beautifully designed.

Good luck,

Dave, K4TO

On Sat, Jul 31, 2021, 6:36 PM WW3S <ww3s at zoominternet.net> wrote:

> Whats the recommended insertion/overlap when telescoping .058 wall tubing?
> Starting with 2 in, need to get to just under 30 ft…..
>
> Sent from my iPad
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