Jim Merz wrote:
Steel frames have a limit on how thin the tubing wall can
> be. I went into this in one of my other rants a few weeks ago. The ratio of
> tube diameter to wall thickness should not go over 50/1.
nice rule of thumb for mild steel, 953 goes to 100:1 ;)
-- mvg
Marten Gerritsen
Kiel Windeweer
Netherlands