The Shay drive design of gear driven steam locomotive



images from http://en.wikipedia.org/wiki/Shay_locomotive thanks to Jeff!

Before yesterday, I did not even know there were other types of steam engines for locomotives!

A day or so ago I came across this photo of a 60 years hard used old train
http://justacarguy.blogspot.com/2014/07/intriguing-drive-system-on-this-worn.html

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