British Rail Class 221
Bombardier diesel tilting train / From Wikipedia, the free encyclopedia
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The British Rail Class 221 Super Voyager is a class of tilting diesel-electric multiple unit express passenger trains built in Bruges, Belgium and Wakefield, by Bombardier Transportation in 2001–02.
British Rail Class 221 Super Voyager | |
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Manufacturer | Bombardier Transportation |
Built at | |
Family name | Voyager |
Replaced | |
Constructed | 2001–2002 |
Entered service | 12 April 2002 – present |
Number built | 44 |
Number in service | 41 |
Successor | Class 805 & Class 807 (Avanti West Coast) |
Formation | |
Diagram |
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Fleet numbers | 221101–221144 |
Capacity |
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Operators | |
Depots |
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Specifications | |
Car body construction | Steel |
Car length | |
Width | 2.73 m (8 ft 11 in) |
Height | 3.75 m (12 ft 4 in) |
Doors | Single-leaf sliding plug, two per side per car |
Wheelbase | Bogies: 2.700 m (8 ft 10.3 in)[4] |
Maximum speed | 125 mph (200 km/h) |
Axle load | Approx. 17 t (17 LT; 19 ST)[4] |
Traction system | Alstom Onix 800 IGBT, two traction motors per car[1] |
Prime mover(s) | Cummins QSK19-R, one per car |
Engine type | Inline-6 turbo-diesel[5] |
Displacement | 19 L (1,159 cu in) per engine[5] |
Power output |
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UIC classification | 1A′A1′+1A′A1′+...+1A′A1′[4][6] |
Bogies | Bombardier HVP[4] |
Braking system(s) | Electro-pneumatic (disc) and rheostatic[1] |
Safety system(s) | |
Coupling system | Dellner 12[7] |
Multiple working | Within class, and with Class 220[1] |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The class is similar to the Class 220 Voyager, but was built with a tilting mechanism enabling up to six degrees of tilt to allow higher speeds on curved tracks. Additionally, most have five coaches, and they have a different bogie design. They have a maximum speed of 125 mph (200 km/h).
The trains are divided between three operators, Avanti West Coast (18 sets), CrossCountry (24 sets) and Grand Central (2 sets).[2] CrossCountry sets had their tilt function disabled in 2008 to improve reliability and reduce maintenance costs.