Forum / News / Northern looking at bi-mode 319s.
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Mirroring the development of the Class 230 DMU by Vivarail using former London Underground D78 metro trains, the Class 319 Flex would have an automotive diesel alternator powerpack installed under each of the driving trailer cars. This would feed the existing traction motors via the train’s DC bus to minimise any changes to the equipment. The unit would be able to operate on diesel, 25 kV 50 Hz overhead or 750 V DC third rail supplies. Following the completion of concept design, the detailed design work has started in conjunction with Wabtec’s Brush subsidiary. Despite reported concerns over the structural condition of the 30-year old bodyshells, the first units are expected to enter passenger service with Northern ‘by spring 2018’. Further trains would then be made available to ‘a wide range of operators’ who could potentially make use of the dual-mode capability on partially-electrified routes. Railway Gazette 22.12.16 |
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