On Thu, 27 Sep 2007 14:12:43 -0500, cavelamb himself
wrote:



That could be true, however I only attached rod end bearings to 4130
tubing.

Ed


One end, maybe.

But tube arms???

I'm really not sure I understand where you're coming from, but by arms
if you are referring to bellcranks or horns, I would certainly not
skimp on thickness.