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Hi, everybody! I'm 12, and have a 20' by 22' layout. I'm thinking of having a logging branch. So,I have a question about Shays. I already know that the Shay geared locomotive was developed by Ephraim Shay (1839--1916), a Michigan logger who grew weary of the difficulties of skidding and floating logs to his sawmill. Tinkering in his workshop in the winter months, Shay built his first operating locomotive in 1880. It was basically a flatcar with adjacent vertical steam cylinders set along the right side; a vertical boiler was in the middle and a water barrel and fuel box occupied the opposite ends. A crankshaft drove a pair of geared trucks through a system of universal joints and drive shafts along the cylinder side. <br /> In 1882, Shay assigned manufacturing rights to a small company which would grow into the huge Lima Locomotive Works. The design was refined and enlarged over the years; it was offered in models burning wood, coal, or oil. This locomotive differed from the Climax and Heislers by the side-mounted cylinders and running gear as well as the pronounced offset of the boiler, designed to balance the weight of the cylinders. Both two-, and three-cylinder versions were offered as well as two-, three- , and four-truck models. A Shay might only go 12 mph on level and could climb very steep grades. Phew. <br /> Now, my question is how steep of grades can the model and the prototype trasverse? Any replies would be helpful.[tup][(-D]
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