A working model in 1:11,3 scale, 5" gauge of a "BUCYRUS ERIE 250 Ton Steam Railway Crane".The model has a coal fired boiler but in this video is running with compressed air. Also in this video, the compressed air for the actuators is generated by the model's internal Westinghouse Cross Compound Air Compressor (you can see it on the left side). The switches on the control panel are 3 ways miniature pneumatic manual valves. The pressure-gauge on the left shows the boiler pressure and the pressure-gauge on the right shows the pressure of the air generated by the Cross Compound Compressor.
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"BUCYRUS ERIE 250 Ton Steam Railway Crane" model
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