British Rail Class 09
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 09012 at Brighton station |
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| Power type | Diesel-electric |
|---|---|
| Builder | British Railways' Darlington Works, Horwich Works |
| Build date | 1959, 1961 |
| Configuration | 0-6-0 |
| UIC classification | C |
| Gauge | 4 ft 8½ in (1,435 mm) standard gauge |
| Wheel diameter | 4 ft 6 in (1.372 m) |
| Minimum curve | 3.5 chains (70 m) |
| Wheelbase | 11 ft 6 in (3.51 m) |
| Length | 29 ft 3 in (8.92 m) |
| Width | 8 ft 6 in (2.59 m) |
| Height | 12 ft 8½ in (3.87 m) |
| Locomotive weight | 49 long tons (49.8 t) |
| Fuel capacity | 668 imp gal (3,040 l/802 US gal) |
| Prime mover | English Electric 6KT |
| Traction motors | English Electric 506, 2 off |
| Transmission | DC generator, DC traction motors, double reduction gearing |
| Top speed | 27.5 mph (44.3 km/h) |
| Power output | Engine: 350 hp (261 kW) |
| Tractive effort | Maximum: 35,000 lbf (155.7 kN) Continuous: 8,800 lbf (39.1 kN) |
| Train heating | None |
| Locomotive brakeforce | 19 LTf (189 kN) |
| Train brakes | oringinally Vacuum, later Dual, some now Air only |
| Career | British Rail |
| Number | D3665–D3671, D3719–D3721, D4099–D4114; later 09001–09026 |
| Axle load class | RA 5 |
The British Rail Class 09 is a class of 0-6-0 diesel locomotive designed primarily for shunting but also short distance freight trips along branch lines. [1] For this reason, though similar to the existing Class 08 shunting locomotives, Class 09 were re-geared to give a maximum top speed of 27.5 mph (44 km/h) at the expense of a lower tractive effort. They originally operated in the Southern Region of British Railways, though following privatisation, in 1997 they have been distributed much further afield.
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[edit] Technical details
- Diesel engine: English Electric 6 cylinder, 4-stroke, 6KT
- Main generator: EE 801
- Traction motors: 2 x EE 506 motors with double reduction gear drive
[edit] Sub-classes
[edit] Class 09/0
The originals became sub-class 09/0 when further locomotives from Class 08 were modified in 1992 to form Classes 09/1 and 09/2. There were variations, which were given the following TOPS design codes:
- 09-0AX Original design; 50.4 te (502 kN); dual brakes
- 09-0BA 51 te (510 kN), air brakes; RA6, knuckle couplings fitted [09003/11]
[edit] Classes 09/1 & 09/2
These locomotives were modified from Class 08 in 1992. TOPS numbers were 09 101 – 09 107 and 09 201 – 09 205. The design codes were as follows:
- 09-1AX 110 V electrical system; 50.4 te (502 kN); dual brakes; formerly 20 mph (32 km/h) locomotive
- 09-1BX 110 V electrical system; 50.4 te (502 kN); dual brakes; formerly 15 mph (24 km/h) locomotive
- 09-1CX 110 V electrical system; 49 te (488 kN); dual brakes; fitted with knuckle couplings
- 09-1EA 110 V electrical system; 51 te (508 kN); air brakes; RA6; fitted with knuckle couplings
- 09-2AA 90 V electrical system; 49.6 te (494 kN); air brakes
- 09-2BX 90 V electrical system; 50.5 te (503 kN); dual brakes
- 09-2DA 90 V electrical system; 51 te (508 kN); air brakes; RA6; fitted with knuckle couplings
[edit] Operation
Although not normally considered for passenger work, Class 09s were recorded working passenger trains between Clapham Junction and Kensington Olympia due to unavailability of the booked Class 33 diesel.[1]
[edit] References and sources
[edit] References
- ^ Lund, E (1980). To the last drop. Chesterfield: Longden technical Publications. ISBN 0 9507063 0 2.
[edit] Sources
- Marsden, Colin J. (1981). Motive power recognition:1 Locomotives. Shepperton: Ian Allen Ltd. ISBN 0 7110 1109 5.
[edit] External links
- Spa Valley Railway - Operators of 09004
- SEMG gallery
- EPB Preservation Group - Operators of 09025
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