Queensland A12 Class Locomotive
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Queensland A12 Class Locomotive
The Queensland Railways A12 class locomotive was a class of 4-4-0 steam locomotives operated by the Queensland Railways. History Between 1882 and 1895, the Queensland Railways took delivery of 43 4-4-0 locomotives built by Baldwin Locomotive Works (18) and Evans, Anderson, Phelan & Co (25). Per Queensland Railway's classification system they were designated the A12 class, A representing they had two driving axles, and the 12 the cylinder A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an infin ... diameter in inches. An American built A12 class locomotive No.62 boiler exploded at Roma Street, Brisbane on 2 December 1898. The Court of Enquiry into the explosion was recorded in the 1899 Votes and Proceedings of the Queensland Legislative Assembly. References {{QueenslandLocos Baldwin l ...
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Baldwin Locomotive Works
The Baldwin Locomotive Works (BLW) was an American manufacturer of railroad locomotives from 1825 to 1951. Originally located in Philadelphia, it moved to nearby Eddystone, Pennsylvania, in the early 20th century. The company was for decades the world's largest producer of steam locomotives, but struggled to compete as demand switched to diesel locomotives. Baldwin produced the last of its 70,000-plus locomotives in 1951, before merging with the Lima-Hamilton Corporation on September 11, 1951, to form the Baldwin-Lima-Hamilton Corporation. The company has no relation to the E.M. Baldwin and Sons of New South Wales, Australia, a builder of small diesel locomotives for sugar cane railroads. History: 19th century Beginning The Baldwin Locomotive Works had a humble beginning. Matthias W. Baldwin, the founder, was a jeweler and whitesmith, who, in 1825, formed a partnership with machinist David H. Mason, and engaged in the manufacture of bookbinders' tools and cylinders for cal ...
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Evans, Anderson, Phelan & Co
Evans, Anderson, Phelan & Co was an Australian engineering and railway rolling stock manufacturer, located at Kangaroo Point, Queensland. It manufactured steam locomotives for the Queensland Railways until 1927. The works were not located near a railway, so completed locomotives were delivered along Main Street on temporary track. In 1892 The North Queensland Register ''The North Queensland Register'' was a newspaper published in Charters Towers, Queensland, Australia from 15 June 1892 to 30 March 1984. The paper was formerly known as the ''North Queensland herald'' and ''Northern mining register''. It was a ... described the company as ''one of the oldest established iron works in this colony... noted for excellent designs and high class work...(which) manufacture everything incidental to mining and milling work.'' Products *25 A12 class locomotives *21 B15 class locomotives *70 PB15 class locomotives *41 C16 class locomotives *28 C17 class locomotives * Pissoirs ...
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4-4-0
4-4-0 is a locomotive type with a classification that uses the Whyte notation for the classification of steam locomotives by wheel arrangement and represents the arrangement: four leading wheels on two axles (usually in a leading bogie), four powered and coupled driving wheels on two axles, and a lack of trailing wheels. Due to the large number of the type that were produced and used in the United States, the 4-4-0 is most commonly known as the American type, but the type subsequently also became popular in the United Kingdom, where large numbers were produced.White, John H., Jr. (1968). ''A history of the American locomotive; its development: 1830-1880''. New York: Dover Publications, pp. 46-. Almost every major railroad that operated in North America in the first half of the 19th century owned and operated locomotives of this type. The first use of the name ''American'' to describe locomotives of this wheel arrangement was made by ''Railroad Gazette'' in April 1872. Prior to ...
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Queensland Rail
Queensland Rail (QR) is a railway operator in Queensland, Australia. Owned by the Queensland Government, it operates local and long-distance passenger services, as well as owning and maintaining approximately 6,600 kilometres of track and related infrastructure. QR was also responsible for all Queensland freight services, and from 2002 operated interstate services under the Australian Railroad Group, Interail and QR National brands. These were all spun out into a separate entity in July 2010, and later privatised as Aurizon. History Beginnings Queensland Railways was the first operator in the world to adopt narrow gauge (in this case ) for a main line, and this remains the systemwide gauge within Queensland today. The colony of Queensland separated from New South Wales in 1859, and the new government was keen to facilitate development and immigration. Improved transport to the fertile Darling Downs region situated west of Toowoomba was seen as a priority. As adequate river ...
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Steam Locomotive
A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomotive's boiler to the point where it becomes gaseous and its volume increases 1,700 times. Functionally, it is a steam engine on wheels. 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. Fuel and water supplies are usually carried with the locomotive, either on the locomotive itself or in a tender coupled to it. Variations in this general design include electrically-powered boilers, turbines in place of pistons, and using steam generated externally. 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. Richard Trevithick ...
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List Of Queensland Steam Locomotives
Between 1864 and 1958, Queensland Railways ordered 47 types of locomotives for purposes such as freight, passenger and mail train use. Classification Until 1889, each of the isolated sections of the Queensland Railways adopted its own locomotive numbering system. With the impending joining of most of the sections, in 1890 a new centralised classification system was adopted to eliminate duplications. Locomotives on the Southern & Western Railway retained their existing numbers, with locomotives on other networks renumbered where there was a duplication. The classification system consisted of a letter, indicating the number of driving axles, followed by a number, indicating the cylinder diameter in inches and factions of inches. This was confusing for two reasons: *it differed from the international system *it could lead to several classes having the same classification number Where classification numbers were duplicated, the classes were usually distinguished by the name of the ...
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Driving Wheel
On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons (or turbine, in the case of a steam turbine locomotive). On a conventional, non-articulated locomotive, the driving wheels are all coupled together with side rods (also known as coupling rods); normally one pair is directly driven by the main rod (or connecting rod) which is connected to the end of the piston rod; power is transmitted to the others through the side rods. On diesel and electric locomotives, the driving wheels may be directly driven by the traction motors. Coupling rods are not usually used, and it is quite common for each axle to have its own motor. Jackshaft drive and coupling rods were used in the past (e.g. in the Swiss Crocodile locomotive) but their use is now confined to shunting locomotives. On an articulated locomotive or a duplex locomotive, driving wheels are grouped into sets which are linked together within the set. Diameter Driving wheels ...
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Cylinder (engine)
In a reciprocating engine, the cylinder is the space in which a piston travels. The inner surface of the cylinder is formed from either a thin metallic liner (also called "sleeve") or a surface coating applied to the engine block. A piston is seated inside each cylinder by several metal piston rings, which also provide seals for compression and the lubricating oil. The piston rings do not actually touch the cylinder walls, instead they ride on a thin layer of lubricating oil. Steam engines The cylinder in a steam engine is made pressure-tight with end covers and a piston; a valve distributes the steam to the ends of the cylinder. Cylinders were cast in cast iron and later in steel. The cylinder casting can include other features such as valve ports and mounting feet. Internal combustion engines The cylinder is the space through which the piston travels, propelled to the energy generated from the combustion of the air/fuel mixture in the combustion chamber. In an ...
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Baldwin Locomotives
Baldwin is a Germanic name, composed of the elements ''bald'' "bold" and ''win'' "friend". People * Baldwin (name) Places Canada * Baldwin, York Regional Municipality, Ontario * Baldwin, Ontario, in Sudbury District * Baldwin's Mills, Quebec United States * Baldwin County, Alabama * Baldwin, Florida * Baldwin, Georgia * Baldwin County, Georgia * Baldwin, Illinois * Baldwin, Iowa * Baldwin, Louisiana * Baldwin, Maine * Baldwin, Maryland * Baldwin, Michigan * Baldwyn, Mississippi * Baldwin, Chemung County, New York * Baldwin, Nassau County, New York ** Baldwin (LIRR station) * Baldwin, North Dakota * Baldwin, Pennsylvania * Baldwin, Wisconsin * Baldwin (town), Wisconsin Other places * Baldwin Street, in Dunedin, New Zealand, the world's steepest street * Baldwin Hills, neighborhood in Los Angeles, California * Montgomery, Powys, named in Welsh "Trefaldwyn", meaning "The Town of Baldwin" Companies * Baldwin Locomotive Works, one of the world's largest builders of ...
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Railway Locomotives Introduced In 1882
Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a prepared flat surface, rail vehicles (rolling stock) are directionally guided by the tracks on which they run. Tracks usually consist of steel rails, installed on sleepers (ties) set in ballast, on which the rolling stock, usually fitted with metal wheels, moves. Other variations are also possible, such as "slab track", in which the rails are fastened to a concrete foundation resting on a prepared subsurface. Rolling stock in a rail transport system generally encounters lower frictional resistance than rubber-tyred road vehicles, so passenger and freight cars (carriages and wagons) can be coupled into longer trains. The operation is carried out by a railway company, providing transport between train stations or freight customer faciliti ...
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Steam Locomotives Of Queensland
Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Steam that is saturated or superheated is invisible; however, "steam" often refers to wet steam, the visible mist or aerosol of water droplets formed as water vapor condenses. Water increases in volume by 1,700 times at standard temperature and pressure; this change in volume can be converted into mechanical work by steam engines such as reciprocating piston type engines and steam turbines, which are a sub-group of steam engines. Piston type steam engines played a central role in the Industrial Revolution and modern steam turbines are used to generate more than 80% of the world's electricity. If liquid water comes in contact with a very hot surface or depressurizes quickly below its vapor pressure, it can create a steam explosion. Types ...
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