NIOSH Mining Facility
DC Trolley Railway System |
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| A mine locomotive is operated up the sloped track at the Lake Lynn Railway |
The DC Trolley Railway System provides a test bed for experiments involving DC trolley/track haulage equipment. A 300-kW, 300-V DC rectifier supplies power to the system which features 4/0 AWG, figure-eight trolley wire and 42 in gauge track. A 316 ft straightaway is installed on a 4% grade. A 10-ton locomotive and several 10 ton rotary dump cars, stored on a 130 ft spur, are available for use.
Site: Lake Lynn Laboratory