> Which reminds a bit of http://www.astrodigital.org/space/stshorse.html http://www.astrodigital.org/space/stshorse.html as well. TL;DR - the legend that the w

> Which reminds a bit of http://www.astrodigital.org/space/stshorse.html http://www.astrodigital.org/space/stshorse.html as well. TL;DR - the legend that the width of the shuttle SRBs is derived from a design decision about cart width that goes back to the Romans. But it's actually a bit more complicated than that... https://en.wikipedia.org/wiki/Standard-gauge_railway https://en.wikipedia.org/wiki/Standard-gauge_railway