Quote:
Originally Posted by Old Tele man
...extend that whole "thought process" up even more and you understand why trains use steel rails...ie: ubber smoothness!
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that and steel is really the only economical material that is hard enough, and still resilient to impact, that can hold almost 6,000psi in compression.
makes you wonder what the rail looks like in slow motion as a loaded car or engine rolls over it. wonder how much deflection you get.
ps. quick math of 140 ton rail car, 8 wheels, 3x1 contact patch(est)