Electrostar

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Electrostar is the name given to a series of related electric multiple-unit (EMU) passenger trains manufactured by Bombardier Transportation (formerly ADtranz) at their Litchurch Lane Works in Derby, England. Since the privatisation of British Rail, it has become the most common new EMU type in Britain, where different variants referred to as Class 357, Class 375, Class 376, and Class 377 are most common on the high-volume commuter routes in South London and to the Sussex, Kent & South Essex coasts. It shares the same bodyshell and core structure as the Turbostar, which is in turn the most common post-privatisation diesel multiple unit (DMU) family, and both evolved from the Class 168 Clubman design by ADtranz.

The Clubman/Turbostar/Electrostar platform is a modular design, which share the same basic design, bodyshell and core structure, and is optimised for speedy manufacture and easy maintenance. It consists of an underframe, which is created by seam-welding a number of aluminium alloy extrusions, upon which bodyside panels are mounted followed by a single piece roof, again made from extruded sections. The car ends (cabs) are made from glass-reinforced plastic and steel, and are huck-bolted onto the main car bodies. Underframe components are collected in ‘rafts’, which are bolted into slots on the underframe extrusion. The mostly aluminium alloy body gives light weight to help acceleration and energy efficiency.

The Electrostar has also been selected for use on the Gautrain system in South Africa, a new railway between Johannesburg, Pretoria, and the Johannesburg International Airport. The trains will be assembled by UCW Partnership in South Africa from components made in Derby.

Transport for London (TfL) announced in August 2006 that it had ordered 48 three- and four-car Electrostar trains for the London Overground service. These were categorised by Network Rail as Class 378, and entered service in 2009 to replace the Class 313 and Class 508 on the North London Line and West London Line, and to provide the opening service on the new East London line extension from 2010.

In 2009, as part of the government's wider rolling stock plan, an order was placed for thirty four-car Class 379 Electrostar units intended for use by National Express East Anglia (now operated by Greater Anglia) on the Stansted Express and West Anglia services. The first of the new Class 379 units entered passenger service on Thursday 3 March 2011 running the 20:10 Stansted Express from London Liverpool Street to Stansted Airport and the 21:15 return service.

Read more about ElectrostarElectrostar Variants

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... The interior of a First Class cabin aboard a Southeastern Class 375 Electrostar, showing the plum seat moquette trim The interior of Standard Class accommodation aboard a Southeastern Class. 375617 departs London Charing Cross A Southeastern Class 375/7 Electrostar EMU No. 375710 at Canterbury West A Southeastern Class 375/8 Electrostar EMU No ...
British Rail Class 357 - Description
... The Clubman/Turbostar/Electrostar platform is a modular design, optimised for speedy manufacture and easy maintenance ... Electrostar units have a shorter 20-metre-long (65 ft 7 in) version of the Turbostar's 23-metre-long (75 ft 6 in) body as Electrostars have 3 or 4 cars per unit rather than 2 or 3 for Turbostars ... As with all Electrostar units, they use insulated-gate bipolar transistor (IGBT) AC motors ...