[TowerTalk] Shorty Forty Hose Clamp thread

[john at kk9a.com]

That is correct regarding metric tubing not telescoping.  It is likely the
reason OptiBeam bolts the inner tube to one side of the outer tube using a
S.H.C.S.

Most larger heavier wall 6061-T6 tubing in the US does also not telescope.
 It is typically available extruded (which has big tolerances) with a .125
wall. I have only seen the .120 wall at DX Engineering, I am not sure
where they are getting it from.

John KK9A


To:	Stan Stockton <wa5rtg at gmail.com>
Subject:	Re: [TowerTalk] [Bulk] Re: [Bulk] Re: Shorty Forty Hose Clamp thread
From:	Grant Saviers <grants2 at pacbell.net>
Date:	Thu, 13 Aug 2015 08:50:27 -0700


One other thought - if I understand correctly, metric tubing does not
telescope as tightly as US 0.058/0.120" wall. So squeezing the inner tube
to the far side is a way to compensate for the extra slop. A logical
solution for Optibeam, but I think a bad idea if 0.058/0.120 wall tubing
is available.

Grant KZ1W