London Underground C69 and C77 Stock
The London Underground C69 and C77 Stock, commonly referred to as the C Stock, was a type of sub-surface rolling stock used on the Circle, District and Hammersmith & City (formerly Metropolitan) lines of the London Underground between 1970 and 2014. They were replaced by the S7 Stock.
| London Underground C69 and C77 Stock | |
|---|---|
A refurbished C Stock at High Street Kensington in 2013 | |
The interior of a refurbished C Stock | |
| Stock type | Subsurface |
| In service | 28 September 1970 – 3 June 2014 |
| Manufacturer | Metro-Cammell |
| Built at | Washwood Heath, Birmingham, England |
| Replaced | O and P Stock |
| Refurbished | 1991–1994 |
| Number preserved | 3 cars |
| Successor | S7 Stock |
| Formation | 2 cars per unit, 3 units per train |
| Capacity | 821 per train |
| Lines served |
|
| Specifications | |
| Car body construction | Aluminium |
| Car length | DM 16.0 m (52 ft 6 in) T 14.94 m (49 ft 0 in) |
| Width | 2.92 m (9 ft 7 in) |
| Height | 3.68 m (12 ft 1 in) |
| Weight | DM 31.70 t (31.20 long tons; 34.94 short tons) T 20.2 t (19.9 long tons; 22.3 short tons) |
| Traction system | Pneumatic double camshaft (C69: English Electric-AEI Traction C77: GEC Traction) |
| Traction motors | LT117 DC motor (Brush Traction) |
| Current collector(s) | Contact shoe |
| Seating | 198 per train |
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