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Steve W.[_4_]

wrote:
I found a local shop that has the 4130 tube. Kinda pricey stuff, but
to keep costs reasonable what wall thickness do you think would do
the job? 1.5" with 3/8" wall is about $18/ft. I don't think I would
need that much wall thickness but I really have no idea?

That is a lot thicker than needed. The 20' one I have is 3" with 1/8"
thick aluminum.

--
Steve W.