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Java Bogie
The Java bogie (german: Java-Drehgestell, Java-Gestell often in Swiss literature), was a bogie for electric locomotives manufactured by the Swiss Locomotive and Machine Works (SLM). It contained a driving wheel and a trailing wheel. It got its name because it was first installed in the 3000 series express train locomotives delivered to the ''Electrische Staats Spoorwegen'' (ESS) on Java in 1925. Technology The planned increase in the maximum speeds on the electrified main lines in Switzerland beyond 100 km/h prompted the SLM designer Jakob Buchli to improve the cornering of the electric locomotives. The Krauss-Helmholtz bogie with its relatively light superstructure was not enough on the winding Swiss routes. As a result of his investigations, the bogie, later called the Java bogie, was created. Its vertical axis of rotation was close to its driven axis, so that the conditions for ''radial adjustment'' in curves were optimal for it: the ''approach angle of'' the wheels a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Running Gear (rail Transport)
In railway terminology the term running gear refers to those components of a railway vehicle that run passively on the rails, unlike those of the driving gear. Traditionally these are the wheels, axles, axle boxes, springs and vehicle frame of a railway locomotive or wagon. The running gear of a modern railway vehicle comprises, in most instances, a bogie frame with two wheelsets. However there are also wagons with single axles (fixed or movable) and even individual wheels. Since in modern times, locomotives no longer require separate driving and carrying axles (see wheel arrangement), as was formerly common with steam locomotives, but usually have bogies where all axles are driven, the term running gear is (inaccurately) superseding the term 'driving gear' in some parts of the world. References See also * Bogie A bogie ( ) (in some senses called a truck in North American English) is a chassis or framework that carries a wheelset, attached to a vehicle—a modular s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rigid-framed Electric Locomotive
Rigid-framed electric locomotives were some of the first generations of electric locomotive design. When these began the traction motors of these early locomotives, particularly with AC motors, were too large and heavy to be mounted directly to the axles and so were carried on the frame. One of the initial simplest wheel arrangements for a mainline electric locomotive, from around 1900, was the 1′C1′ arrangement, in UIC classification. Some of these locomotives had their driving wheels coupled with coupling rods, as for steam locomotives. Others had individual motors for each axle, as would later become universal. By the middle of the century, the bogie arrangement for locomotives became more popular and rigid-framed locomotives are now rare, except for small shunters. 1′C1′ 1′C1′ is the UIC classification for a railway locomotive with a wheel arrangement of three coupled driving wheels, with a leading and trailing articulated pony truck. The driving wheels are coup ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SBB-CFF-FFS Am 4/6 1101
Am 4/6 1101 was the world's first gas turbine-electric locomotive. The locomotive was ordered by the Swiss Federal Railways (SBB-CFF-FFS) from the Swiss Locmotive and Machine Works (SLM) and Brown, Boveri & Cie (BBC) in 1939. The locomotive was delivered in 1941 and was in use on railroads in Switzerland, France and Germany until 1954. Development Prior to building ''Am 4/6 1101'' BBC had built the world’s first industrial gas turbine in 1936 for the Marcus Hook refinery in Pennsylvania and the world's first gas turbine power station in 1938 at Neuchâtel, Switzerland. By the late 1930s, BBC were eager to apply the new gas turbine technology to railway locomotives. Early in 1939, SBB placed an order, with BBC, for a gas turbine locomotive for service on non electrified branch lines. The specification for the locomotive included a guaranteed continuous output of measured at the generator coupling. A starting tractive effort of was specified along with a continuous tractive ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NS Class 1000
The Dutch State Railways Nederlandse Spoorwegen (NS) Class 1000 was a set of ten electric locomotives (numbered 1001-1010) used in the Netherlands during the latter half of the 20th century. The electrical systems and three completed units were ordered from the Swiss Locomotive and Machine Works in 1942, but the war blocked delivery until 1948. Despite high failure rates the locomotives remained in service until 1982, and locomotive 1010—built by Werkspoor—is now preserved in the Dutch National Railway Museum. Planning In 1908 the first electric train in the Netherlands ran from Rotterdam to The Hague (Den Haag) and Scheveningen. It was electrified with a 10,000 volt 25 Hz AC power supply. After World War I the Dutch government decided to install a committee to investigate electrification of the Dutch State Railways, Nederlandse Spoorwegen, formed in 1917 but officially only established in 1937. For that, the committee members traveled the world to visit existing e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SBB-CFF-FFS Ae 8/14
The SBB-CFF-FFS Ae 8/14 is a class of electric locomotives built for Swiss Federal Railways to be used on the Gotthard railway. Only three prototype engines were built between 1931 and 1938, each of them in a different design. The steep 2.7% grades of the Gotthard Railway are challenging for the railroad operation. In the 1920s the trains became so heavy that the power and the traction of one locomotive became insufficient and so costly double-heading or splitting of the train over the mountain was required. The Multiple-unit train control was at that time emerging and not yet a reliable working system. The idea was to introduce double-locomotives with eight axles and a weight of 250 tons. These locomotives could pull the trains directly from Zurich or Lucern over the Gotthard and Monte Ceneri to Chiasso. This eliminated the stops for adding and removing additional locomotives in Erstfeld or Biasca, so that shorter travel times would be possible. First two prototypes with the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bissel Truck
A Bissell or Bissel truck (also Bissel bogie or Pony truck) is a single-axle bogie which pivots towards the centre of a steam locomotive to enable it to negotiate curves more easily. Invented in 1857 by and usually then known as a ''pony truck'', it is a very simple and common means of designing a carrying wheel. Name variants A pony truck in railway terminology, is a leading truck with only two wheels. Its invention is generally credited to Bissell, who devised one in 1857 and patented it the following year. Hence the term ''Bissel bogie'', ''Bissel truck'', or ''Bissel axle'' is used in continental Europe. In the UK, the term is Bissell truck.''Spellings" Conservative locomotive builders in Bissell's native |
SBB-CFF-FFS Ae 4/7
The Ae 4/7 was a universal locomotive of the Swiss Federal Railways, employing the so-called Buchli drive. Thanks to this drive construction, invented by Jakob Buchli, it was one of the longest-lasting locomotives. It was in regular use for 7 decades, from the 1920s into the 1990s, hauling freight and passenger trains all over Switzerland. History In the 1920s stronger locomotives were needed for the Swiss plateau (which has grades up to 12‰). The existing locomotives with three driven axles were a bit weak for their services. Because the Buchli drive already proved to be reliable on the , two prototypes of the Ae 4/7 were ordered in 1925. Subsequently, in total 127 were built between 1927 and 1934. While the mechanical part was built by the Swiss Locomotive and Machine Works, the electrical equipment was built in three varieties, because these parts were built by three different manufacturers, Brown, Boveri & Cie. (BBC) (10901–10916, 10932–10938, 10952–10972, 11003–1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adams Axle
The Adams axle is a form of radial axle for rail locomotives that enable them to negotiate curves more easily. It was invented by William Bridges Adams and patented in 1865. The invention uses axle boxes that slide on an arc in shaped horn blocks, so allowing the axle to slide out to either side. This is similar to the movement of a Bissell truck, but with the notional centre point of the curve being where the pivot of the truck would be. This design, using slide bearings, is more expensive than one employing a shaft, but takes up less space. Trials In 1865 the Society of Engineers, London, made direct comparison between the radial axle, invented by William Bridges Adams, and a bogie design with an india-rubber Rubber, also called India rubber, latex, Amazonian rubber, ''caucho'', or ''caoutchouc'', as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds. Thailand, Malaysia, and ... central bearing in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Krauss-Helmholtz Bogie
A Krauss-Helmholtz bogie (''Krauss-Helmholtz-Lenkgestell'') is a mechanism used on steam locomotives and some electric locomotives to improve curve running. Operation The bogie comprises a carrying axle connected to a coupled axle via a shaft or lever. In straight running, any radial movement of the carrying axle results in a sideways movement of the coupled axle in the opposite direction. However, the carrying axle is centred by means of two heavy duty springs just behind it. In addition the pivot pin may be allowed to move sideways, but again is held centrally by heavy springs. When travelling round a curve, the carrying axle swings to one side causing the coupled axle to move sideways in the opposite direction. In this way radial forces during curve running are more or less evened out on both axles, so that riding qualities similar to those of a normal bogie are achieved and wear and tear reduced on wheel flanges and rails. The bogie is a type of pony truck and was name ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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