Posted 2/23/2013 11:23 (#2920145 - in reply to #2920061) Subject: RE: Square vs. rectangle? Tube bridge physics.
Hazelton, Kansas
Alberta,
Exactly. I wish there were a quick way to teach this stuff.
And how many times have you seen a local welder plate the sides of a frame when half as much steel, placed on the top and bottom, would have been much stronger?