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HK 94–100
The HK 94–100 is a series of four-axled, German Mallet locomotives with a track gauge. History In 1918, the ''Maschinenbau-Gesellschaft Karlsruhe'' built seven Mallet locomotives for service on railways operated by the German Army, because the existing locomotives they had commandeered were no longer capable enough. To save time older designs were used. The locomotives were accepted into service by the Army Testing Commission For Field Railways (''Heeresprüfkommission für Feldbahnen'') or HK, and designated as HK 94 to 100. They were used on the Army's military railways known as ''Heeresfeldbahnen''. The locomotives did not continue in military service, however, due to the end of the war, and were handed over to various private railways, some as substitutes for locomotives that had been commandeered for wartime service. Three locomotives went to the Ruhr-Lippe Railways, and one each to the Euskirchen District Railways, the Haspe-Voerde-Breckerfeld Light Railway, the Nordh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maschinenbau-Gesellschaft Karlsruhe
The Maschinenbau-Gesellschaft Karlsruhe ('Karlsruhe Engineering Works') was a locomotive and railway wagon manufacturer in the early days of the German railways. It was based at Karlsruhe in what is now the state of Baden-Württemberg in southwestern Germany. The origins of the firm go back to an engineering works founded in Karlsruhe in 1837 by Emil Kessler and Theodor Martiensen. In 1842, the first steam locomotive, ''Badenia'', was delivered to the Baden state railways. After a financial crisis resulting from the collapse of the bank funding the company, Kessler's engineering works also got into economic difficulties. In 1852 the Maschinenbaugesellschaft Carlsruhe was founded, Emil Kessler left the company and the crisis was overcome. The Maschinenbaugesellschaft Karlsruhe always belonged to the ranks of those smaller steam locomotive manufacturers that mostly built locomotives under licence which had been designed by other firms. Their major customers were the Baden state r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selke Valley Railway
The Selke Valley Railway (''Selketalbahn''), ''Gernrode-Harzgerode Railway'' (''Gernroder-Harzgeroder Eisenbahn'') and the ''Anhalt Harz Railway'' (''Anhaltische Harzbahn'') were different names for the metre gauge railway in the Lower Harz, Germany, originally owned by the Gernrode-Harzgerode Railway Company (''Gernrode-Harzgeroder Eisenbahn-Gesellschaft'', GHE). It is now only known as the ''Selke Valley Railway''. This has included the Quedlinburg–Gernrode line since 2006. It continues through Alexisbad to Hasselfelde and includes the Alexisbad–Harzgerode branch and the Stiege– Eisfelder Talmühle connecting line. All of them are now owned by the Harz Narrow Gauge Railways ''(Harzer Schmalspurbahnen''). The line follows the Selke river between Mägdesprung and Albrechtshaus. History Opening and early years The Gernrode–Mägdesprung railway was opened by the Gernrode-Harzgerode Railway Company (''Gernrode-Harzgeroder Eisenbahn-Gesellschaft'', GHE) after a constructio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railway Locomotives Introduced In 1918
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metre Gauge Steam Locomotives
The metre (British spelling) or meter (American spelling; see spelling differences) (from the French unit , from the Greek noun , "measure"), symbol m, is the primary unit of length in the International System of Units (SI), though its prefixed forms are also used relatively frequently. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately km. In 1799, the metre was redefined in terms of a prototype metre bar (the actual bar used was changed in 1889). In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. The current definition was adopted in 1983 and modified slightly in 2002 to clarify that the metre is a measure of proper length. From 1983 until 2019, the metre was formally defined as the length of the path travelled by light in a vacuum in of a second. After the 2019 redef ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Narrow Gauge Steam Locomotives Of Germany
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Narrow may refer to: * The Narrow, rock band from South Africa * Narrow banking, proposed banking system that would eliminate bank runs and the need for a deposit insurance * narrow gauge railway, a railway that has a track gauge narrower than the 4 ft 8½ in of standard gauge railways * Narrow vs wide format, a style of displaying tabular data * Narrowboat or narrow boat, a boat of a distinctive design made to fit the narrow canals of Great Britain * ''Narrow'' (album), a 2012 album by Austrian musical project Soap&Skin * "Narrow", a song by Mayday Parade from ''Black Lines'' See also * Narro (other) * The Narrows (other) * Narrowing (other) Narrowing may refer to: *Narrowing (computer science), a type of algorithm for solving equations between symbolic expressions **Narrowing of algebraic value sets, a method for the elimination of values from a solution set which are inconsistent wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mallet Locomotives
The Mallet locomotive is a type of articulated steam railway locomotive, invented by the Swiss engineer Anatole Mallet (1837–1919). The front of the locomotive articulated on a bogie. The compound steam system fed steam at boiler pressure to high-pressure cylinders driving the rear set of driving wheels (rigidly connected to the boiler). The exhaust steam from these cylinders was fed into a low-pressure receiver and was then sent to low-pressure cylinders that powered the driving wheels on the swiveling bogie towards the front of locomotive. Compounding Steam under pressure is converted into mechanical energy more efficiently if it is used in a compound engine; in such an engine steam from a boiler is used in high-pressure (HP) cylinders and then under reduced pressure in a second set of cylinders. The lower-pressure steam occupies a larger volume and the low-pressure (LP) cylinders are larger than the high-pressure cylinders. A third stage (triple expansion) may be emp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sand Dome
A sandbox is a container on most locomotives, multiple units and trams that holds sand, which is dropped on the rail in front of the driving wheels in wet and slippery conditions and on steep grades to improve traction. Sand delivery The sand may be delivered by gravity, by a steam-blast (steam locomotives) or by compressed air. Gravity sanding requires that the sand be dry so that it runs freely. Locomotives use multiple sandboxes, so that their delivery pipes could be short and nearly vertical. Engine sheds in the UK were equipped with sand drying stoves, so that sandboxes could be refilled each morning with dry sand. Steam locomotives in the US had a single sandbox, called a sand dome, atop the boiler where the rising heat helped to dry the sand. Even with this arrangement, sand pipes tended to clog, and by the 1880s, pneumatic sanding systems were being proposed. Steam sanding The development of steam sanding was influential on locomotive design. As the sand could then be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kuhn Slide
The Kuhn slide () is part of a modified Walschaerts (German: ''Heusinger'') valve gear on steam locomotives and is named after its inventor, Michael Kuhn (1851–1903). The term is also used to refer to this particular type of Walschaerts valve gear system as a whole. Overview Problems often arise in incorporating a Walschaerts valve gear into the design of tank and narrow gauge locomotives because of space limitations. The reversing rod (with its lifting arm), needed to change between forward and reverse running, is therefore mounted at the same level as the pivot of the expansion link. This enables the lifting link (') to be dispensed with, and the lifting arm to be connected directly to the radius rod. To ensure the required horizontal movement, the back end of the radius rod is designed as a slide (the 'Kuhn slide') which fits into a rotatable crosshead (''Gleitstein'') in the lifting arm. Advantages The Kuhn valve gear was not as widespread as the classic Walschaerts valv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inside Frame
A locomotive frame is the structure that forms the backbone of the railway locomotive, giving it strength and supporting the superstructure elements such as a cab, boiler or bodywork. The vast majority of locomotives have had a frame structure of some kind. The frame may in turn be supported by axles directly attached to it, or it may be mounted on bogies ( UK) / trucks ( US), or a combination of the two. The bogies in turn will have frames of their own. Types of frame 250px, Preserved GWR 9017 showing outside frames Three main types of frame on steam locomotives may be distinguished:, p 255. Plate frames These used steel plates about thick. They were mainly used in Britain and continental Europe. On most locomotives, the frames would be situated within the driving wheels ("inside frames"), but some classes of an early steam locomotive and diesel shunters were constructed with "outside frames". Some early designs were double framed where the frame consisted of plates both in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kingpin (automotive Part)
The kingpin (also king-pin, king pin and k pin) is the main pivot in the steering mechanism of a car or other vehicle. The term is also used to refer to part of a fifth wheel coupling apparatus for a semi and its trailer or other load. History Originally, with the 'turntable' steering of horse-drawn wagons, this was a single pin on which the moveable axle was pivoted beneath the wagon's frame. This located the axle from side to side, but the weight of the wagon was carried on a circular wooden ring turntable surrounding this. Similar centre pivot steering was used by steam traction engines, the kingpin being mounted on the 'perch bracket' beneath the boiler. Some early cars also used centre pivot steering, although it became apparent that it was unsuitable for their increasing speeds. Ackermann steering separates the steering movement into two pivots, one near the hub of each front wheel. The beam axle between them remains fixed relative to the chassis, linked by the suspensi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plate Frame
Plate may refer to: Cooking * Plate (dishware), a broad, mainly flat vessel commonly used to serve food * Plates, tableware, dishes or dishware used for setting a table, serving food and dining * Plate, the content of such a plate (for example: rice plate) * Plate, to present food, on a plate * Plate, a forequarter cut of beef Places * Plate, Germany, a municipality in Parchim, Mecklenburg-Vorpommern, Germany * River Plate (other) * Tourelle de la Plate, a lighthouse in France Science and technology Biology and medicine * Plate (anatomy), several meanings * Dental plate, also known as dentures * Dynamic compression plate, a metallic plate used in orthopedics to fix bone * Microtiter plate (or microplate or microwell plate), a flat plate with multiple "wells" used as small test tubes * Petri dish or Petri plate, a shallow dish on which biological cultures may be grown and/or viewed Geology * Tectonic plate, are pieces of Earth's crust and uppermost mantle, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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