![]() Richard Trevithick built the first steam locomotive known to have hauled a load over a distance at Pen-y-darren in 1804, although he produced an earlier locomotive for trial at Coalbrookdale in 1802. Steam locomotives were first developed in the United Kingdom during the early 19th century and used for railway transport until the middle of the 20th century. ![]() Variations in this general design include electrically-powered boilers, turbines in place of pistons, and using steam generated externally. ![]() Fuel and water supplies are usually carried with the locomotive, either on the locomotive itself or in a tender coupled to it. In most locomotives, the steam is admitted alternately to each end of its cylinders, in which pistons are mechanically connected to the locomotive's main wheels. Functionally, it is a steam engine on wheels. : 80 It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomotive's boiler to the point when it becomes gaseous and its volume increases 1,700 times. 41 018 climbing the Schiefe Ebene was pusher locomotive (video 34.4 MB)Ī steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam.
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