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How does a steam locomotive work?
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A steam locomotive is a steam engine on wheels. Fuel burning in the firebox heats the water in the boiler until it turns to steam. The steam enters the cylinder and moves the piston. A connecting rod links the piston to a crank on the axle of the main driving wheel, making it turn. A coupling rod connects all the driving wheels together. Exhaust steam and smoke are released from the chimney.
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Previous:
Back
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Book:
1001
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Section:
Science and Technology
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Chapter:
Machines
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