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SEK Class Μα
SEK (''Sidirodromoi Ellinikou Kratous'', Hellenic State Railways) class Μα (or class Ma; Mu-alpha) was a class of 2-10-2 steam locomotives built by Ansaldo and Breda in 1953. They were numbered Μα 1001-1020. The Μα locomotives were the last steam locomotives acquired by SEK before conversion to diesel traction. They were designed and built in Italy by Breda (10 units) and Ansaldo (10 units) in 1953–1954, while some parts (including whole tender underframes) were made by Nuove Reggiane. The length of the locomotive with the tender was 24.93 m, the maximum height 4.51 m and service weight 136 tn. The boiler operated at 18 bar and their rated power was 2950 hp. Maximum speed was 90 km/h. Due to various technical problems, only two years after introduction they were modified by Henschel (1957–1958). The boilers were converted to burn heavy fuel oil. These locomotives were based at Aghios Ioannis Rentis and Thessaloniki depots and were used mainly for freight tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Società Italiana Ernesto Breda
Società Italiana Ernesto Breda (), more usually referred to simply as Breda, was an Italian mechanical manufacturing company founded by Ernesto Breda in Milan in 1886. History The firm was founded by Ernesto Breda in Milan in 1886. It originally manufactured locomotives and other railway machinery, but later branched out into armaments and aircraft. Occasionally, not continuously, the company also built trolleybuses. In 1935, it acquired the railway division of Officine Ferroviarie Meridionali and, soon afterwards, the aircraft division of the same company. Breda-designed machine guns such as the Breda Model 30 and Breda Model 37 were standard issue weapons for the Royal Italian Army during the Second Italo-Abyssinian War, the Italian Invasion of Albania and World War 2. At the peak of its wartime production, the company had 26,000 employees. By 1954, its workforce had been reduced to around 8,000. In 1962, Breda was nationalised as part of EFIM, but was liquidated in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railway Locomotives Introduced In 1953
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] |
Steam Locomotives Of Greece
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hellenic State Railways Locomotives
Hellenic is a synonym for Greek. It means either: *of or pertaining to the Hellenic Republic (modern Greece) or Greek people (Hellenes, el, Έλληνες) and culture *of or pertaining to ancient Greece, ancient Greek people, culture and civilization. It may also refer to: * Hellenic Academy, an independent high school in Harare, Zimbabwe * Hellenic Airlines * Hellenic College, a liberal arts college in Brookline, Massachusetts * Hellenic College of London * Hellenic Conservatory * Hellenic FC, a football club in South Africa * Hellenic Football League, an association football league in England * Hellenic languages, a branch of the Indo-European languages * Hellenic Parliament * Hellenic Petroleum (company) * Hellenic Post * Hellenic Republic Asset Development Fund * Hellenic studies * Tampa Bay Hellenic, a women's soccer team in the United States * Hellenic (horse) (1987–2011), a thoroughbred racehorse * ' See also * Greek (other) * Helladic period, the Bronze Age ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hellenic Railways Organisation
The Hellenic Railways Organisation or OSE ( el, Οργανισμός Σιδηροδρόμων Ελλάδος, italic=yes or el, Ο.Σ.Ε.) is the Greek national railway company which owns, maintains and operates all railway infrastructure in Greece with the exception of Athens' rapid transit lines. Train services on these lines are run by Hellenic Train S.A., a former OSE subsidiary, Rail Cargo Logistics Goldair, Pearl and Grup Feroviar Român. History It was founded on 1 January 1971, with the Legislative Decree 674/1970, taking over the responsibilities as the successor to the Hellenic State Railways SEK. which had been founded in 1920. OSE is owned 100% by the Greek State. In 1996 Ergose was created within OSE to facilitate infrastructure projects. In 2001, the infrastructure element of OSE was created, known as GAIAOSE. It would henceforth be responsible for the maintenance of stations, bridges and other elements of the network, as well as the leasing and sale of rai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heavy Fuel Oil
Heavy Fuel Oil (HFO) is a category of fuel oils of a tar-like consistency. Also known as bunker fuel, or residual fuel oil, HFO is the result or remnant from the distillation and cracking process of petroleum. For this reason, HFO is contaminated with several different compounds including aromatics, sulfur and nitrogen, making emissions upon combustion more polluting compared to other fuel oils. HFO is predominantly used as a fuel source for marine vessel propulsion due to its relatively low cost compared to cleaner fuel sources such as distillates. The use and carriage of HFO on-board vessels presents several environmental concerns, namely the risk of oil spill and the emission of toxic compounds and particulates including black carbon. Presently, the use of HFOs is banned as a fuel source for ships travelling in the Antarctic as part of the International Maritime Organization's (IMO) International Code for Ships Operating in Polar Waters (Polar Code). For similar reasons, an HFO ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alpha (letter)
Alpha (uppercase , lowercase ; grc, ἄλφα, ''álpha'', or ell, άλφα, álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , which is the West Semitic word for " ox". Letters that arose from alpha include the Latin letter A and the Cyrillic letter А. Uses Greek In Ancient Greek, alpha was pronounced and could be either phonemically long ( ː or short ( . Where there is ambiguity, long and short alpha are sometimes written with a macron and breve today: Ᾱᾱ, Ᾰᾰ. * ὥρα = ὥρᾱ ''hōrā'' "a time" * γλῶσσα = γλῶσσᾰ ''glôssa'' "tongue" In Modern Greek, vowel length has been lost, and all instances of alpha simply represent the open front unrounded vowel . In the polytonic orthography of Greek, alpha, like other vowel letters, can occur with several diacritic marks: any of three accent symbols (), and either of two breathing marks ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henschel & Son
Henschel & Son (german: Henschel und Sohn) was a German company, located in Kassel, best known during the 20th century as a maker of transportation equipment, including locomotives, trucks, buses and trolleybuses, and armoured fighting vehicles and weapons. Georg Christian Carl Henschel founded the factory in 1810 at Kassel. His son Carl Anton Henschel founded another factory in 1837. In 1848, the company began manufacturing locomotives. The factory became the largest locomotive manufacturer in Germany by the 20th century. Henschel built 10 articulated steam trucks, using Doble steam designs, for Deutsche Reichsbahn railways as delivery trucks. Several cars were built as well, one of which became Hermann Göring's staff car. In 1935 Henschel was able to upgrade its various steam locomotives to a high-speed Streamliner type with a maximum speeds of up to by the addition of a removable shell over the old steam locomotive. In 1918, Henschel began the production of gearboxes a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mu (letter)
Mu (uppercase Μ, lowercase μ; Ancient Greek , ell, μι or μυ—both ) is the 12th letter of the Greek alphabet, representing the voiced bilabial nasal . In the system of Greek numerals it has a value of 40. Mu was derived from the Egyptian hieroglyphic symbol for water, which had been simplified by the Phoenicians and named after their word for water, to become 𐤌 (mem). Letters that derive from mu include the Roman M and the Cyrillic М. Names Ancient Greek In Ancient Greek, the name of the letter was written and pronounced Modern Greek In Modern Greek, the letter is spelled and pronounced . In polytonic orthography, it is written with an acute accent: . Use as symbol The lowercase letter mu (μ) is used as a special symbol in many academic fields. Uppercase mu is not used, because it appears identical to Latin M. Measurement *the SI prefix ''micro-'', which represents one millionth, or 10−6. Lowercase letter "u" is often substituted for "μ" w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hellenic State Railways
Hellenic State Railways or SEK ( el, Σιδηρόδρομοι Ελληνικού Κράτους, ''Sidirodromi Ellinikou Kratous''; Σ.Ε.Κ.) was a Greek public sector entity (legal person of public law, el, Ν.Π.Δ.Δ.) which was established in 1920 and operated most Greek railway lines until 1970. History The Hellenic State Railways took over the standard gauge railway line from Piraeus to Papapouli at the pre-1912 borders, the extension from Papapouli to Platy and most of the former Ottoman railway lines that were within the Greek borders after 1919. These lines were: * ''Piraeus, Demerli & Frontiers Railway'' ( el, Σιδηρόδρομος Πειραιώς-Δεμερλή-Συνόρων), also known as * Part of the former ''Thessaloniki & Monastir Railway'' (french: Chemin de fer de Salonique à Monastir or SM) * Part of or CO, between Thessaloniki and Idomeni. The line from Alexandroupolis to Ormenio was transferred to the French-Hellenic Railway Company (, CFFH) of Ev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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