Aérotrain
The Aérotrain was an experimental Tracked Air Cushion Vehicle (TACV), or hovertrain, developed in France from 1965 to 1977 under the engineering leadership of Jean Bertin (1917–1975) – and intended to bring the French rail network to the cutting edge of land-based public transportation. Though similar to a maglev design, which levitates a train car over a complex electromagnetic track to eliminate all resistance other than aerodynamic drag, the Aérotrain – also a "train without wheels" – rode on an air cushion over a simple reinforced concrete track or ''guideway'' and could travel at the speed of a maglev train, without the further technical complexity and expense of its track. In many respects, the entire concept resembled a product of the aircraft rather than rail industry. History In 1969, a U.S. company, Rohr Industries, licensed the Aérotrain technology to build the hovertrains in the United States. That same year the Aérotrain established the world record ...
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Hovertrain
A hovertrain is a type of high-speed train that replaces conventional steel wheels with hovercraft lift pads, and the conventional railway bed with a paved road-like surface, known as the ''track'' or ''guideway''. The concept aims to eliminate rolling resistance and allow very high performance, while also simplifying the infrastructure needed to lay new lines. Hovertrain is a generic term, and the vehicles are more commonly referred to by their project names where they were developed. In the UK they are known as tracked hovercraft, in the US they are tracked air-cushion vehicles. The first hovertrain was developed by Jean Bertin (1917-1975) in France, where they were marketed as the Aérotrain before being abandoned by the French government. Hovertrains were seen as a relatively low-risk and low-cost way to develop high-speed inter-city train service, in an era when conventional rail seemed stuck to speeds around or less. By the late 1960s, major development efforts were underw ...
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Jean Bertin
Jean Henri Bertin (5 September 1917 – 21 December 1975) was a French scientist, engineer and inventor. He was born in Druyes-les-Belles-Fontaines and died in Neuilly-sur-Seine. He is best known as the lead engineer for the French experimental Aérotrain mass transit system. He studied at the École Polytechnique (graduating in 1938) and at the École nationale supérieure de l'aéronautique et de l'espace. From 1944 he worked for the French National Society for the Development of Aircraft Engines ( Société nationale d'études et de construction de moteurs d'aviation). In 1955 he founded the company Bertin & Cie, whose most famous activity was the development of the Aérotrain The Aérotrain was an experimental Tracked Air Cushion Vehicle (TACV), or hovertrain, developed in France from 1965 to 1977 under the engineering leadership of Jean Bertin (1917–1975) – and intended to bring the French rail network to the c .... Bertin died just over a year and a half aft ...
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Rohr Industries
Rohr, Inc. is an aerospace manufacturing company based in Chula Vista, California, south of San Diego. It is a wholly owned unit of the Collins Aerospace division of Raytheon Technologies; it was founded in 1940 by Frederick H. Rohr as Rohr Aircraft. Rohr's main product line are aerostructures, such as engine-related components, including engine nacelles, thrust reversers, and mounting pylons for military and commercial aircraft. It also consults on integrating and managing its designs with the other aircraft systems. Other products include auxiliary power units, flight control surfaces, and other aircraft parts. History Frederick H. Rohr, creator of the fuel tanks for Charles Lindbergh's ''Spirit of St. Louis'', founded Rohr Aircraft Corporation on August 6, 1940 with the help of Reuben H. Fleet after approaching him for a job. The company incorporated as Rohr Corporation in 1969, and changed its name to Rohr Industries, Inc. in 1971. In the 1960s and 1970s, Rohr Industries ...
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Aerotrain
Aerotrain may refer to: * Aérotrain, a hovercraft train developed in France * AeroTrain, an tiltrotor aircraft proposed by Karem Aircraft * Aerotrain (GM), a passenger train built by General Motors Electro-Motive Division * AeroTrain (Washington Dulles International Airport), an automated people mover at Washington Dulles International Airport * Aerotrain (KLIA), an automated people mover in Kuala Lumpur International Airport, Malaysia * Aerotrén The Aerotrén is a people mover cable-propelled operating at Mexico City International Airport, near Mexico City, in Mexico. The automated people mover (APM) provides a link between Terminal 1 and Terminal 2. Opened in 2007, it was part of th ...

Gometz-le-Châtel
Gometz-le-Châtel () is a commune in the Essonne department of France. It is a southern suburb of Paris, 25 km from the center of Paris. Geography This village is near Les Ulis, Bures-sur-Yvette, Gif-sur-Yvette and Gometz-la-Ville, along the old road from Paris to Chartres, crossing the Hurepoix. Climate Gometz-le-Châtel has a oceanic climate (Köppen climate classification ''Cfb''). The average annual temperature in Gometz-le-Châtel is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in July, at around , and lowest in January, at around . The highest temperature ever recorded in Gometz-le-Châtel was on 25 July 2019; the coldest temperature ever recorded was on 16 January 1985. History * This is a very old village, known since 1068. * A train line was built between Paris to Chartres via Gallardon, at the beginning of the 20th century, with a station at Gometz-le-Châtel. It was used from 1931 to 1939, but ...
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Voie D'essai De L'Aérotrain D'Orléans Map
Voie is a neighbourhood in the city of Kristiansand in Agder county, Norway. The neighborhood is located in the borough of Vågsbygd and in the district of Voiebyen. Voie lies along Norwegian County Road 456 and County Road 457. The only road to the island of Andøya Andøya is the northernmost island in the Vesterålen archipelago, situated about inside the Arctic circle. Andøya is located in Andøy Municipality in Nordland county, Norway. The main population centres on the island include the villages of ... goes past the neighborhood of Voie. It lies northwest of Møvik and northeast of Steindalen. References Geography of Kristiansand Neighbourhoods of Kristiansand {{Agder-geo-stub ...
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Saran Aérotrain 1
Saran may refer to: Places * Saran, Loiret, a commune of the Loiret Department, France * Saran, Kazakhstan, a city in Kazakhstan * Saran district, Bihar, India * Saran division, Bihar, India * Saran (Lok Sabha constituency), Bihar, India * Saran, Iran (other), places in Iran * ''Sárán'', the Hungarian name for Şerani village, Borod Commune, Bihor County, Romania * Saransk, Russia People * Saran (director), Indian film director * Saran, a legendary King of Ulster The King of Ulster (Old Irish: ''Rí Ulad'', Modern Irish: ''Rí Uladh'') also known as the King of Ulaid and King of the Ulaid, was any of the kings of the Irish provincial over-kingdom of Ulaid. The title rí in Chóicid, which means "king of ... * Saran (name) Other uses * Saran (plastic), the brand name of a polyethylene food wrap, that was once made from polyvinylidene chloride See also * * Sarran * Saren (other) * Sarin (other) * Saron (other) {{Disambi ...
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Linear Induction Motor
A linear induction motor (LIM) is an alternating current (AC), asynchronous linear motor that works by the same general principles as other induction motors but is typically designed to directly produce motion in a straight line. Characteristically, linear induction motors have a finite primary or secondary length, which generates end-effects, whereas a conventional induction motor is arranged in an endless loop. Despite their name, not all linear induction motors produce linear motion; some linear induction motors are employed for generating rotations of large diameters where the use of a continuous primary would be very expensive. As with rotary motors, linear motors frequently run on a three-phase power supply and can support very high speeds. However, there are end-effects that reduce the motor's force, and it is often not possible to fit a gearbox to trade off force and speed. Linear induction motors are thus frequently less energy efficient than normal rotary motors for a ...
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Reinforced Concrete
Reinforced concrete (RC), also called reinforced cement concrete (RCC) and ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility. The reinforcement is usually, though not necessarily, steel bars ( rebar) and is usually embedded passively in the concrete before the concrete sets. However, post-tensioning is also employed as a technique to reinforce the concrete. In terms of volume used annually, it is one of the most common engineering materials. In corrosion engineering terms, when designed correctly, the alkalinity of the concrete protects the steel rebar from corrosion. Description Reinforcing schemes are generally designed to resist tensile stresses in particular regions of the concrete that might cause unacceptable cracking and/or structural failure. Modern reinforced concrete can contain varied reinforcing materials made of ...
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Exposition Aérotrain Saran 5
Exposition (also the French for exhibition) may refer to: *Universal exposition or World's Fair *Expository writing **Exposition (narrative) *Exposition (music) *Trade fair * ''Exposition'' (album), the debut album by the band Wax on Radio *Expository preaching See also *Expo (other) *Expose (other) *Expos The Montreal Expos (french: link=no, Les Expos de Montréal) were a Canadian professional baseball team based in Montreal, Quebec. The Expos were the first Major League Baseball (MLB) franchise located outside the United States. They played in t ...

Exposition Aérotrain Saran 4
Exposition (also the French for exhibition) may refer to: *Universal exposition or World's Fair *Expository writing **Exposition (narrative) *Exposition (music) *Trade fair * ''Exposition'' (album), the debut album by the band Wax on Radio *Expository preaching See also *Expo (other) *Expose (other) *Expos The Montreal Expos (french: link=no, Les Expos de Montréal) were a Canadian professional baseball team based in Montreal, Quebec. The Expos were the first Major League Baseball (MLB) franchise located outside the United States. They played in t ...