What powered 19th century railroad engines?

Steam engines harness the pressure of hot steam to create mechanical power. They revolutionized transportation and industry in the nineteenth century. The first steam engines were invented in the early 1700s in England and improved during the mid-eighteenth century.



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Steam-Powered Its prototype was first introduced in the mid-1700s, and in the early 1800s, it had been connected with locomotives and became a driving force for the golden age of the train. Steam-powered locomotives would be the main power source for nearly 100 years until diesel took over.

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In 1830, inventor and businessman Peter Cooper developed and built a small coal-burning steam locomotive that was suitable for the B&O's planned right of way and track, then from Baltimore to Ellicott Mills, MD (now Ellicott City).

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Steam Powered (1920s-1930s)

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From about 1905 through to the mid 1920s, steam-driven dynamos in head-end baggage cars were the established method to provide electric lighting on passenger trains. Axle generators were first developed in the late 1880s, and the design for early axle generators continued to improve.

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There are three types of railway engine: mechanical, hydraulic or electric. Most diesel locomotives use electric transmission and are called diesel-electric locomotives. Mechanical and hydraulic transmissions are still used but are more common on multiple unit trains or lighter locomotives.

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The volume of water expands as it turns to steam inside the boiler, creating a high pressure. The expansion of steam pushes the pistons that connect to the driving wheels that operate the locomotive. Coal or oil are the fuels used for heating the water (coal is shown in the diagram).

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Diesel electric, electricity or steam power are the three major fuels used by trains. As it was in various other sectors, steam power was also used in the beginning days of railroads. The development of diesel-electric and electric technology for power led to their popularity in the early 20th century.

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Freight and passenger rail rely almost exclusively on diesel power. The latest diesel innovations contribute to cleaner air and reaching climate goals. According to the Association of American Railroads, in a typical year, US freight railroads move around 1.7 billion tons across nearly 140,000-miles of track.

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In the 1800s, external combustion locomotives burned wood, coal, and oil to heat water in the locomotive's boiler, allowing it to create steam.

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Passenger train travel in the 1880s generally cost 2-3 cents per mile. Transcontinental (New York to San Francisco) ticket rates as of June 1870 were $136 for first class in a Pullman sleeping car; $110 for second class; $65 for third or “emigrant” class seats on a bench.

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Ever since the discovery of the dynamo-electric principle by Werner von Siemens in 1866, one had therefore tried to utilize electric motors for transportation purposes. And with success: on May 31, 1879, Siemens & Halske presented the world's first electric train in which power was supplied through the rails.

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In 1870 it took approximately seven days and cost as little as $65 for a ticket on the transcontinental line from New York to San Francisco; $136 for first class in a Pullman sleeping car; $110 for second class; and $65 for a space on a third- or “emigrant”-class bench.

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