British Rail Class 322
| British Rail Class 322 | |
|---|---|
Class 322 at Wilsons Lane in Marks Tey in 2021 | |
Refurbished Northern Rail interior | |
| In service | 1990 – August 2022 |
| Manufacturer | British Rail Engineering Limited |
| Built at | Holgate Road Works, York |
| Family name | BR Second Generation (Mark 3) |
| Replaced | Class 305 |
| Constructed | 1990 |
| Refurbished | 2005–2007 (at Hunslet-Barclay, Kilmarnock) |
| Scrapped | 2022 |
| Number built | 5 |
| Number in service | None |
| Number preserved | 0 |
| Number scrapped | 5 |
| Successor | |
| Formation | 4 cars per unit: DTSL-MS-TSL-DTS |
| Fleet numbers | 322481–322485 |
| Capacity | 309 seats |
| Owner | Eversholt Rail Group |
| Operators | |
| Depot | Shields Road (Glasgow) |
| Specifications | |
| Car body construction | Steel |
| Car length |
|
| Width | 2.816 m (9 ft 2.9 in) |
| Height | 3.775 m (12 ft 4.6 in) |
| Doors | Double-leaf sliding pocket, each 1.200 m (3 ft 11.2 in) wide (2 per side per car) |
| Wheelbase | Over bogie centres: 14.170 m (46 ft 5.9 in) |
| Maximum speed | 100 mph (161 km/h) |
| Weight | Total: 141.8 t (139.6 long tons; 156.3 short tons) |
| Traction motors | 4 × Brush TM21-41 |
| Power output | 996 kW (1,336 hp) |
| Acceleration | 0.55 m/s2 (1.8 ft/s2) |
| Electric system | 25 kV 50 Hz AC overhead |
| Current collection | Pantograph |
| UIC classification | 2′2′+Bo′Bo′+2′2′+2′2′ |
| Bogies |
|
| Minimum turning radius | 71 m (232 ft 11 in) |
| Braking systems | Electro-pneumatic (disc) ('Westcode') |
| Safety systems | |
| Coupling system | Tightlock |
| Multiple working | With Classes 317–322 |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The British Rail Class 322 was a class of electric multiple unit passenger train built by British Rail Engineering Limited in 1990 for the Stansted Express service from London Liverpool Street to Stansted Airport. After becoming surplus to requirements on this route, the fleet saw further use with a number of other operators.