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Food for thought?
Carl,1st up "The Spinster." .2nd.......... Your multifunction project reminds me of my time at Defoe Shipbuilding Co., Bay City, Michigan. In the yard there were a series of mobile cranes, these were all steam driven and ran on a railway system.So we have a steam driven device with lots of pulleys and levers, the craving for a loco is partially satisfied, finally the crane could be modified so that its' steam engine drives a dynamo which in turn drives a motor for the locomotion and motors for the slew, jib and hoist or combinations of steam and electricity to your heart's content.Food for thought?