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Parne lokomotive.

Pogled na stare parne lokomotive kod zeleznicke stanice u Nisu.
Parna lokomotiva je zeleznicka lokomotiva koja za svoj pogon koristi snagu iz parne masine. Ove lokomotive koriste za gorivo neki zapaljiv cvrst materijal, obicno je to ugalj, drvo ili koks, a radi dobijanja vodene pare u kotlu, koja pod pritiskom vrsi mehanicki rad, odnosno okrece tockove. Cvrsto gorivo i zalihe vode se prenose sa lokomotivom, na samoj lokomotivi ili na vagonima koje vuce za sobom.
Parne lokomotive su prvo razvijene u Velikoj Britaniji tokom ranog 19. veka i dominirale su zeleznickim prevozom do sredine 20. veka. Prvu parnu lokomotivu je izradio Ricard Trevitik, koja je prvi put upotrebljena 21. februara 1804. godine. Prva komercijalno uspesna parna lokomotiva nastala je 1812-13 zaslugom Dzona Blenkinsopa. Dzordz Stivenson i kompanija njegovog sina Roberta su proizveli Lokomotivu Br. 1, koja je bila prva lokomotiva za prevoz putnika na javnoj zeleznickoj liniji, Stokton i Darlington zeleznice 1825. godine. Dzordz je isto tako izgradio prvu medjugradsku zeleznicku liniju na svetu sa upotrebom lokomotiva, Liverpul i Mancester zeleznica, koja je otvorena 1830. godine.
U 20. veku, glavni masinski inzenjer Londonske i severoistocne zeleznice (LNER) Najdzel Gresli dizajnirao je vise poznatih lokomotiva, ukljucujuci Leteceg Skotlandjanina, prvu parnu lokomotivu koja se zvanicno kretala brzinom preko 100 mph u putnickom servisu, i LNER Class A4, 4468 Malard, koja drzi rekord najbrze parne lokomotive na svetu (126 mph).



Steam locomotives.

View of old steam locomotives at Nis railway station.
A steam locomotive is a railway locomotive that uses power from a steam engine for its operation. These locomotives use some combustible solid material for fuel, usually coal, wood or coke, and to produce steam in the boiler, which under mechanical pressure or rotates the wheels. Solid fuel and water supplies are carried with the locomotive, on the locomotive itself or on the wagons it entails.
Steam locomotives were first developed in the UK during the early 19th century and dominated rail transport until the mid-20th century. The first steam locomotive was made by Richard Trevitik, which was first used on February 21, 1804. The first commercially successful steam locomotive was created in 1812-13 by the merit of John Blenkinsop. George Stevenson and his son Robert's company produced Locomotive No. 1. 1, which was the first locomotive to carry passengers on the public rail line, Stockton and Darlington railways in 1825. George also built the world's first intercity rail line using locomotives, the Liverpool and Manchester Railways, which opened in 1830.
In the 20th Century, London and North East Railway Engineer (LNER) engineer Nigel Gresley designed several well-known locomotives, including the Flying Scot, the first steam locomotive to officially travel at over 100 mph in passenger service, and LNER Class A4, 4468 Malard. which holds the record for the fastest steam locomotive in the world (126 mph).

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Additional Photos by Pavle Randjelovic (pajaran) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 12033 W: 2873 N: 23596] (97817)
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