South African Class 12 4-8-2
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South African Class 12 4-8-2
The South African Railways Class 12 4-8-2 of 1912 was a steam locomotive. Between April 1912 and 1922, the South African Railways placed all together 46 Class 12 steam locomotives with a 4-8-2 type wheel arrangement in goods train service.Espitalier, T.J.; Day, W.A.J. (1945). ''The Locomotive in South Africa - A Brief History of Railway Development. Chapter VII - South African Railways (Continued).'' South African Railways and Harbours Magazine, June 1945. pp. 432-434. Manufacturers Design work commenced in 1910 for a new heavy goods engine for use on the heavy coal service between Witbank and Germiston. The resulting Class 12 was the first locomotive design to originate from the newly established South African Railways (SAR) in 1912. It was, in effect, an enlarged version of the already successful South African Class 3B 4-8-2, Class 3B which had also been designed by SAR Chief Mechanical Engineer (CME) D.A. Hendrie during his years on the Natal Government Railways. Orders ...
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Great Fish River
The Great Fish River (called ''great'' to distinguish it from the Namibian Fish River) ( af, Groot-Visrivier) is a river running through the South African province of the Eastern Cape. The coastal area between Port Elizabeth and the Fish River mouth is known as the '' Sunshine Coast''. The Great Fish River was originally named ''Rio do Infante'', after João Infante, the captain of one of the caravels of Bartolomeu Dias. Infante visited the river in the late 1480s. The name Great Fish is also a misnomer, since it is a translation of the Dutch Groot Visch Rivier, which was the name of a tributary in the vicinity of Cradock, which at its confluence with the Little Fish (Klein Visch Rivier) forms what is properly called the (Eastern Cape) Fish River. Course The Great Fish River originates east of Graaff-Reinet and runs through Cradock. Further south the Tarka River joins its left bank. Thence it makes a zig-zag turn to Cookhouse, from where it meanders down the escarpment eas ...
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South African Type MY1 Tender
The South African type MY1 tender was a steam locomotive tender. Type MY1 tenders entered service in 1952 and 1953, as tenders to the shunting steam locomotives which entered service on the South African Railways in those years.South African Railways & Harbours/Suid Afrikaanse Spoorweë en Hawens (15 Aug 1941). ''Locomotive Diagram Book/Lokomotiefdiagramboek, 3'6" Gauge/Spoorwydte''. SAR/SAS Mechanical Department/Werktuigkundige Dept. Drawing Office/Tekenkantoor, Pretoria. pp. VIII, 47.South African Railways & Harbours/Suid Afrikaanse Spoorweë en Hawens (15 Aug 1941). ''Locomotive Diagram Book/Lokomotiefdiagramboek, 2'0" & 3'6" Gauge/Spoorwydte, Steam Locomotives/Stoomlokomotiewe''. SAR/SAS Mechanical Department/Werktuigkundige Dept. Drawing Office/Tekenkantoor, Pretoria. pp. VIII, 6a-7a, 37. Manufacturer Type MY1 tenders were built in 1952 and 1953 by Friedrich Krupp AG of Essen in Germany. The Class S2 0-8-0 steam locomotive was designed by L.C. Grubb, Chief Mechanical ...
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Germiston
Germiston, also known as kwaDukathole, is a small city in the East Rand region of Gauteng, South Africa, administratively forming part of the City of Ekurhuleni Metropolitan Municipality since the latter's establishment in 2000. It functions as the municipal seat of Ekurhuleni, hosting the municipal council and administration. History Germiston was established in the early days of the Witwatersrand Gold Rush, gold rush when two prospectors, John Jack from the farm of Germiston, Glasgow, Germiston near Glasgow and August Simmer from Vacha, Germany, Vacha in Germany, struck paydirt on the farm of ''Elandsfontein''. In August 1887, the pair were on their way to the Eastern Transvaal when they ''outspanned'' (rested their pack animals) on the farm ''Elandsfontein'' and decided to stay and buy the land. Both men made fortunes and the town sprang up 2 km from the Simmer and Jack mine named after Jack's fathers farm. In 1921, the world's largest gold refinery, the Rand Refine ...
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Witbank
Witbank (), officially Emalahleni, is a city situated on the Highveld of Mpumalanga, South Africa, within the Emalahleni Local Municipality. The name Witbank is Afrikaans for "white ridge", and is named after a white sandstone outcrop where wagon transport drivers rested. The city is known for its coal-mining in the surrounding region. Witbank was renamed to Emalahleni meaning the ''place of coal'' in 2006 by the government of Mpumalanga, matching the municipality. Witbank was founded in 1890 and early attempts to exploit the coal deposits failed until the railway from Pretoria reached the area in 1894. It was proclaimed a town in 1903 and became a municipality in 1914. There are many stories about the city and its origination but the top story would be the arrival of Winston Churchill at the nearby Transvaal and Delagoa Bay Colliery during his escape from Boer imprisonment in Pretoria, on his way to Delagoa Bay (later Lourenço Marques, and then Maputo, in Mozambique). So ...
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SAR Class 12R 1862 New Brighton 310379
SAR or Sar may refer to: Places * Sar (river), Galicia, Spain * Sar, Bahrain, a residential district * Sar, Iran (other), several places in Iran * Sar, Tibet, Tibet Autonomous Region of China * Šar Mountains, in southeastern Europe * Syrian Arab Republic, sometimes abbreviated as SAR Business and finance * Parabolic SAR (stop and reverse), a method of technical stock analysis * Saudi riyal, currency code SAR * Stock appreciation right, an employee reward Computing * Segmentation and reassembly, in data networks * Service Archive or SAR, a file format related to JAR * Shift Arithmetically Right (SAR), an x86 instruction * Storage Aspect Ratio of a digital image * sar (Unix), or system activity report, a Unix/Linux performance report utility Law enforcement * Search and rescue * Nationwide Suspicious Activity Reporting Initiative, US * Suspicious activity report, by a financial institution to an authority Science Medicine, psychology, and biology * Scaff ...
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SAR Class 12R 1499 Sydenham 160479
SAR or Sar may refer to: Places * Sar (river), Galicia, Spain * Sar, Bahrain, a residential district * Sar, Iran (other), several places in Iran * Sar, Tibet, Tibet Autonomous Region of China * Šar Mountains, in southeastern Europe * Syrian Arab Republic, sometimes abbreviated as SAR Business and finance * Parabolic SAR (stop and reverse), a method of technical stock analysis * Saudi riyal, currency code SAR * Stock appreciation right, an employee reward Computing * Segmentation and reassembly, in data networks * Service Archive or SAR, a file format related to JAR * Shift Arithmetically Right (SAR), an x86 instruction * Storage Aspect Ratio of a digital image * sar (Unix), or system activity report, a Unix/Linux performance report utility Law enforcement * Search and rescue * Nationwide Suspicious Activity Reporting Initiative, US * Suspicious activity report, by a financial institution to an authority Science Medicine, psychology, and biology * Scaff ...
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SAR Class 12R 1509 Germiston 070479
SAR or Sar may refer to: Places * Sar (river), Galicia, Spain * Sar, Bahrain, a residential district * Sar, Iran (other), several places in Iran * Sar, Tibet, Tibet Autonomous Region of China * Šar Mountains, in southeastern Europe * Syrian Arab Republic, sometimes abbreviated as SAR Business and finance * Parabolic SAR (stop and reverse), a method of technical stock analysis * Saudi riyal, currency code SAR * Stock appreciation right, an employee reward Computing * Segmentation and reassembly, in data networks * Service Archive or SAR, a file format related to JAR * Shift Arithmetically Right (SAR), an x86 instruction * Storage Aspect Ratio of a digital image * sar (Unix), or system activity report, a Unix/Linux performance report utility Law enforcement * Search and rescue * Nationwide Suspicious Activity Reporting Initiative, US * Suspicious activity report, by a financial institution to an authority Science Medicine, psychology, and biology * Scaff ...
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Class 12 No
Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differently from such group phenomena as "types" or "kinds" * Class (set theory), a collection of sets that can be unambiguously defined by a property that all its members share * Hazard class, a dangerous goods classification * Social class, the hierarchical arrangement of individuals in society, usually defined by wealth and occupation * Working class, can be defined by rank, income or collar Arts, entertainment, and media * "The Class" (song), 1959 Chubby Checker song *Character class in role-playing games and other genres *Class 95 (radio station), a Singaporean radio channel Films * ''Class'' (film), 1983 American film * ''The Class'' (2007 film), 2007 Estonian film * ''The Class'' (2008 film), 2008 film (''Entre les murs'') Television * ''Class ...
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Janney Coupler
Janney couplers are a semi-automatic form of railway coupling that allow rail cars and locomotives to be securely linked together without rail workers having to get between the vehicles. They are also known as American, AAR, APT, ARA, MCB, knuckle, Buckeye, tightlock (in the UK), Henricot (in Belgium) or Centre Buffer Couplers. Background Janney couplers were first patented in 1873 by Eli H. Janney (). Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; Beard's patents were granted 23 November 1897, which then sold for approximately $50,000, and granted 16 May 1899. In the UK, several versions of Janney couplers are fitted to a limited number of coaches, multiple units, wagons and locomotives. Janney Type E, Type F Interlock, and Type H tightlock couplings are compatible subtypes, each intended for specific rail car types. Prior to the formation of the Association of American Railroads (AAR) these were known as ...
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Railway Coupling
A coupling (or a coupler) is a mechanism typically placed at each end of a railway vehicle that connects them together to form a train. A variety of coupler types have been developed over the course of railway history. Key issues in their design include strength, reliability, ease of making connections and operator safety. The equipment that connects the couplings to the vehicles is the draft gear or draw gear and these must absorb the stresses of coupling and train acceleration. Nomenclature Compatible and similar couplings or couplers are frequently referred to using widely differing make, brand, or regional names, or nicknames, which can make describing standard or typical designs confusing. Dimensions and ratings noted in these articles are usually of nominal or typical components and systems, though standards and practices also vary widely with railway, region, and era. Buffers and chain The basic type of coupling on railways following the British tradition is the bu ...
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Piston Valve (steam Engine)
Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent exhausting, enabling a locomotive to move under its own power. The valve consists of two piston heads on a common spindle moving inside a steam chest, which is essentially a mini-cylinder located either above or below the main cylinders of the locomotive. Overview In the 19th century, steam locomotives used slide valves to control the flow of steam into and out of the cylinders. In the 20th century, slide valves were gradually superseded by piston valves, particularly in engines using superheated steam. There were two reasons for this: * It is difficult to lubricate slide valves adequately in the presence of superheated steam * With piston valves, the steam passages can be made shorter. This, particularly following the work of André Chapelon, reduces resistance to the flow of steam and improves eff ...
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Walschaerts Valve Gear
The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgium, Belgian railway mechanical engineering, engineer Egide Walschaerts in 1844. The gear is sometimes named without the final "s", since it was incorrectly patented under that name. It was extensively used in steam locomotives from the late 19th century until the end of the steam era. History The Walschaerts valve gear was slow to gain popularity. The Stephenson valve gear remained the most commonly used valve gear on 19th-century locomotives. However, the Walschaerts valve gear had the advantage that it could be mounted entirely on the outside of the locomotives, leaving the space between the locomotive frame, frames clear and allowing easy access for service and adjustment, which resulted in it being adopted in some articulated locomotives. The first locomotive fitted with the Walschaerts valve gear was built at the Belgian Tubize worksh ...
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