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To be completely accurate, a model railroad needs to scale down speed in addition to size. Rail speed limits depend on track quality, but the highest speed limit in the U.S. is 200 mph. What should...

In model trains, O scale means the models are made using a 1:48 scale. In the U.S., real train tracks have rails that are 4 ft 8 in apart. a. If miniature train track was made using O...

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