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Locomotive
Part 1 of Paper
....am engine and they develop canals for steam boats. About five years later the people decided to start railroads because it was easier to lay and could be lain almost anywhere. So I will tell you about the steam engine, how it works, also about the steam locomotion, and I will present a model of an early British train.
.... Part 2 of Paper
....o increase the length of time during which steam is admitted to the cylinder. As more steam is admitted, the engine output increases. The efficiency of the engine decreases, however, because the steam no longer expand fully.
Some steam s weigh 500 tons(450 metric tons) or more and can develop more than 6,000 horsepower. They can pull a long train or a passenger train at about 100 miles(160 kilometers) per hour. For extremely heavy loads or steep grades, two or more s may be coupled to a train..... |
| Number of words: 637 - Approximate pages: 3 |
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