British Rail Class 700 Thameslink train

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The British Rail Class 700 Desiro City is an electric multiple-unit passenger train, built between 2014 and 2018, for use on the Thameslink network, as part of the Thameslink Programme in the United Kingdom. As of 2021, they are operated by Govia Thameslink Railway. • 👉If you like it, please follow this channel❤️: • 🎥Youtube: / @traindepot • Gear used GoPro Hero8: https://amzn.to/3w4YuSJ • In 2011, the consortium Cross London Trains (XLT) consisting of Siemens Project Ventures, 3i Infrastructure, and Innisfree was announced as preferred bidder with Siemens Mobility to manufacture the trains. The decision was politically controversial as the trains were to be built in Germany, while the competing consortium led by Bombardier Transportation had a UK train factory. Both the procurement process and final close of contract were significantly delayed, resulting in the expected first delivery date moving from 2012 to 2016. The £1.6 billion contract to manufacture and provide service depots for the trains was finalised in June 2013. The first British Rail Class 700 train was delivered in July 2015. • A fleet of 60 eight-car and 55 twelve-car class 700 trains entered service between Spring 2016 and 2019. Having replaced Class 319s, 377s, and 387s, Class 700s are the only trains operated on the Thameslink network. Each class 700 train is able to reach 160 km/h and carry 1146 passengers in an 8-car train, and 1754 passengers in a 12-car train. Maintenance depots have been built at Hornsey and Three Bridges. • The Department for Transport began its procurement process (Thameslink Rolling Stock Project, or Thameslink Rolling stock Programme) on 9 April 2008, with the aim of introducing more passenger capacity on Thameslink lines to match expected demand. In addition, the bidders were to provide depots for vehicle maintenance and storage and finance for the rolling-stock project whereby revenues would be generated from the long-term leasing of rolling stock to the train operating company and associated maintenance payments. • The general specifications included: high reliability, short station dwell times, integrated information technology including passenger information and information for vehicle maintenance, a top speed of 160 km/h, and high acceleration and deceleration performance in line with a high-frequency timetable. The class 700 trains were to be designed for low weight, low track forces, and high energy efficiency. A standard 12-car train was to be about 240 metres long and shorter 8-car trains were limited to 162 metres. • The passenger accommodation were to include versions for both metro and commuter trains, based around a 2+2 seating arrangement, with fold-up seats and designed for high levels of standing passengers. Ride quality and noise levels were expected to equal or be better than those of current vehicles and climate control (air-conditioning) was to be fitted. The vehicles were to be fitted for driver-only operation, and to include GSM-R communications radio, as well as AWS, TPWS, and ERTMS level 2 safety systems. The ability to be used in 'Automatic train operation' (ATO) mode, where an on-board computer controls the motors and brakes, was also specified. • Vehicles were to operate on 750 V DC and 25 kV AC electrification systems, with regenerative brakes. Maintenance time was to be reduced by the use of modular components, remote diagnostics, and the avoidance of over-complicated systems. The Department for Transport gave a target of 384 tonnes (378 long tons; 423 short tons) when empty for a 243 m train. • Design and manufacturing • Development of a new bogie type began in 2007; the design was intended specifically for the UK market as a replacement for the SF5000 bogie. To reduce energy consumption and track access charges, a key feature of the design was reduced weight: weight-saving design elements included short wheelbase, inboard frames, a bolsterless bogie design, and hollow axles. Total bogie weight is 6.3 tonnes (powered) and 4.4 tonnes (trailer), a reduction of around one third from the SF5000 design. • The primary suspension system uses layered rubber, with pneumatic secondary suspension. The bogie wheel base is 2,200 mm (motor bogie) with 820 mm wheels. Braking is by tread brakes, and regenerative braking on power bogies and two axle-mounted disc brakes per axle on trailer bogies. • Prototypes of the new SF-7000 bogie were completed at Siemens' bogie plant in Graz, Austria in late 2011. • Manufacture of pre-series production trainsets began before formal financial close of the project in mid-2013. • A mockup of the train was unveiled at the ExCel centre in January 2014, and then displayed at various stations in London and the surrounding area. • #class700 #thameslinkclass700 #britishrailclass700

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