The Power That Runs Your Model Train - By: Jimmy Cox, 2009-04-08

No matter what kind of train you buy, electricity will run it. You may have chosen a choo-chooing, smoke-puffing steam engine or a growling diesel. It makes no difference, for a tiny electric motor working through a worm-drive makes the wheels go round. The motor pushes an extra piston on your steam loco, puffing out smoke which is really vaporized oil, and making the lifelike sounds of the engine.

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