British Rail Class 799

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British Rail Class 799 HydroFlex
319001 Sevenoaks to London Blackfriars (15096483538).jpg
319001 prior to conversion operating for Govia Thameslink Railway in September 2014
ManufacturerBritish Rail Engineering Limited as Class 319
Quinton Rail Technology Centre as Class 799
Built atHolgate Road carriage works
Family nameBritish Rail Mark 3
Constructed2019
Number built1
Fleet numbers799001
Specifications
Car body constructionSteel
Car length19.83 metres (DTCO, DTSO), 19.92 metres (MSO, TSOL)
Width2.82 metres
Height3.58 metres
Engine typeHydrogen
Train heatingElectric
Electric system(s)25 kV Overhead line
750 V DC 3rd rail
Current collection methodPantograph (AC)
Contact shoe (DC)
Coupling systemTightlock
Track gauge1,435 mm (4 ft 8 12 in) standard gauge

The British Rail Class 799 is a one-off tri-mode multiple unit prototype built using the bodyshell of a Class 319 electric multiple unit. The existing 25kV AC and 750V DC equipment has been retained with a hydrogen fuel cell added.

History[edit]

In September 2018, Porterbrook announced it would develop a hydrogen fuel cell demonstrator in partnership with the University of Birmingham's Centre for Railway Research & Education. It was converted from Class 319 electric multiple unit 319001 that had last been used by Govia Thameslink Railway.[1][2][3] It is scheduled to be unveiled in June 2019.[4]

References[edit]