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Alstom Aventra
The Alstom Aventra (sold as the Bombardier Aventra until 2021) is a family of electric multiple unit (EMU) passenger trains produced at Derby Litchurch Lane Works in the United Kingdom, originally by Bombardier Transportation and later by Alstom, as a successor to the Bombardier Electrostar. A large proportion of its design is based on the Electrostar, adding new technologies and achieving compliance with more stringent requirements and operator demands.
Bombardier began developing the Aventra in 2009, based on feedback from train operating companies (TOCs) and upcoming regulation changes. It has been designed to provide a generic platform for conducting inter-regional, commuter, metro and high-speed passenger services. It has been claimed to be more efficient and flexible than the Electrostar, which was mainly achieved via the greater use of digital technology. The development of a bi-mode version of the Aventra, incorporating batteries, was proposed as a replacement for existing diesel multiple-units.
The first order for the Aventra came from the Crossrail programme in 2014. Numerous other operators have since ordered the type, including London Overground, Greater Anglia, South Western Railway, c2c and West Midlands Trains.
The Aventra was developed by Bombardier Transportation principally as a successor to their prolific Electrostar electric multiple unit (EMU) family; the final example of which was delivered during 2018 after nearly twenty years of continuous production. According to Niall Simmons, Bombardier's Head of Bids Engineering, development work on what would become the Aventra had begun as early as 2009, although its design had significantly evolved during this time in response to the feedback gathered from various train operating companies. The platform was to be made adaptable to serve various subsections of the passenger rail market, including inter-regional, commuter, metro and high-speed services. Furthermore, the introduction of increasingly stringent regulations had driven a need either to extensively redesign the Electrostar, or to develop a replacement family. Bombardier has reportedly invested in excess of £50 million into the development of the Aventra.
In comparison with the Electrostar, the Aventra has been designed to be lighter and more energy efficient, with greater flexibility. It has also been claimed to provide greater levels of comfort and reliability. Among the differences in the design are various measures to improve operational efficiency, including the adoption of wider gangways and doors to shorten station dwell times by speeding up passenger boarding; the gangway has reportedly been designed to allow better use of the interior space and ease of movement throughout the train. The Aventra features a redesigned interior, which Bombardier has indicated to be the main visual difference between the two platforms.
A major area of divergence between the two platforms is the greater use of digital technology on board the Aventra platform, partly in response to operators' requests, such as the train control management system. The platform also uses predictive maintenance instead of traditional prescriptive maintenance. Far more reporting information spanning more functionality is generated by the Aventra than on the previous Electrostar family. The signalling apparatus supports the European Rail Traffic Management System (ERTMS).
Structurally, the Aventra is relatively lightweight; the body of each carriage having been redeveloped from the Electrostar. It comprises various welded assemblies that attached to one another via bolts. The vehicle also incorporate the FlexxEco bogie, previously used in service on other Bombardier trainsets, such as the Voyager and some of the later-built Turbostars. While the older Electrostar family are not compliant with the Technical Standards of Interoperability (TSI) introduced in 2017, the Aventra was specifically designed for compliance with the more rigorous regulatory requirements.
During 2018, Bombardier promoted the prospective development of a bi-mode version of the Aventra, intended to be capable of speeds up to 125 mph (200 km/h). This bi-mode trainset, which would have incorporate batteries, positioned itself as a potential successor to several older diesel multiple-units, such as the Bombardier Turbostar and Bombardier Voyager platforms.
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Alstom Aventra
The Alstom Aventra (sold as the Bombardier Aventra until 2021) is a family of electric multiple unit (EMU) passenger trains produced at Derby Litchurch Lane Works in the United Kingdom, originally by Bombardier Transportation and later by Alstom, as a successor to the Bombardier Electrostar. A large proportion of its design is based on the Electrostar, adding new technologies and achieving compliance with more stringent requirements and operator demands.
Bombardier began developing the Aventra in 2009, based on feedback from train operating companies (TOCs) and upcoming regulation changes. It has been designed to provide a generic platform for conducting inter-regional, commuter, metro and high-speed passenger services. It has been claimed to be more efficient and flexible than the Electrostar, which was mainly achieved via the greater use of digital technology. The development of a bi-mode version of the Aventra, incorporating batteries, was proposed as a replacement for existing diesel multiple-units.
The first order for the Aventra came from the Crossrail programme in 2014. Numerous other operators have since ordered the type, including London Overground, Greater Anglia, South Western Railway, c2c and West Midlands Trains.
The Aventra was developed by Bombardier Transportation principally as a successor to their prolific Electrostar electric multiple unit (EMU) family; the final example of which was delivered during 2018 after nearly twenty years of continuous production. According to Niall Simmons, Bombardier's Head of Bids Engineering, development work on what would become the Aventra had begun as early as 2009, although its design had significantly evolved during this time in response to the feedback gathered from various train operating companies. The platform was to be made adaptable to serve various subsections of the passenger rail market, including inter-regional, commuter, metro and high-speed services. Furthermore, the introduction of increasingly stringent regulations had driven a need either to extensively redesign the Electrostar, or to develop a replacement family. Bombardier has reportedly invested in excess of £50 million into the development of the Aventra.
In comparison with the Electrostar, the Aventra has been designed to be lighter and more energy efficient, with greater flexibility. It has also been claimed to provide greater levels of comfort and reliability. Among the differences in the design are various measures to improve operational efficiency, including the adoption of wider gangways and doors to shorten station dwell times by speeding up passenger boarding; the gangway has reportedly been designed to allow better use of the interior space and ease of movement throughout the train. The Aventra features a redesigned interior, which Bombardier has indicated to be the main visual difference between the two platforms.
A major area of divergence between the two platforms is the greater use of digital technology on board the Aventra platform, partly in response to operators' requests, such as the train control management system. The platform also uses predictive maintenance instead of traditional prescriptive maintenance. Far more reporting information spanning more functionality is generated by the Aventra than on the previous Electrostar family. The signalling apparatus supports the European Rail Traffic Management System (ERTMS).
Structurally, the Aventra is relatively lightweight; the body of each carriage having been redeveloped from the Electrostar. It comprises various welded assemblies that attached to one another via bolts. The vehicle also incorporate the FlexxEco bogie, previously used in service on other Bombardier trainsets, such as the Voyager and some of the later-built Turbostars. While the older Electrostar family are not compliant with the Technical Standards of Interoperability (TSI) introduced in 2017, the Aventra was specifically designed for compliance with the more rigorous regulatory requirements.
During 2018, Bombardier promoted the prospective development of a bi-mode version of the Aventra, intended to be capable of speeds up to 125 mph (200 km/h). This bi-mode trainset, which would have incorporate batteries, positioned itself as a potential successor to several older diesel multiple-units, such as the Bombardier Turbostar and Bombardier Voyager platforms.