MF 77
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| MF 77 | |
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 MF 77 on Sully Morland, Paris Métro Line 7. |
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| In service | 1978 - Current |
| Number built | 985 cars |
| Formation | 5 per trainset |
| Capacity | 574 per car |
| Operator | RATP |
| Lines served | Line 7, Line 8 and Line 13 |
| Specifications | |
| Maximum speed | 100 km/h (Design) 70 km/h (Service) |
| Weight | 131 t |
| Acceleration | 0.9 m/s2 |
| Power output | 1500 kW |
| Gauge | 1,435 mm |
| Voltage | 750 V 3rd rail |
The MF 77 is a steel-wheel variant of electric multiple units used on Paris's Métro system. A total of 983 cars have been built, operating on lines 7, 8 and 13.
The cars had a few design innovations since their predecessors when initially delivered, including pneumatic suspension and improved interior design for the comfort of passengers.
[edit] Tehnical specifications
- Train-sets delivered: 197
- Configuration: M+R+M+R+M
- Overall length: 77.40 m
- Maximum width: 2.45 m
- Weight: 131 tons (29.5 tons for the motor coaches, 21.5 tons for the trailers)
- Material: Aluminium alloy
- Power: 1500 kw
- Acceleration: 0.90 m/s2 (in normal load)
- Braking: Electric braking up to 24 km/h + air-operated brake. 1 disc brake for all the axles + 1 brake with shoe by wheel on the trailers
- Bogies: Cast solid wheel
- Maximum speed: 100 km/h
- Authorized speed: 70 km/h
- Doors: 3 sliding doors per face with manual opening, opening of 1575 mm
- Air-conditioning: None
- Seats: 128 + 118 (folding seats)
- Capacity: 574 people
[edit] External links
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