British Rail 10800
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| British Rail 10800 | |
| Builder: | NBL |
|---|---|
| Introduced: | 1950 |
| Early numbers: | 10800 |
| Engine: | Paxman 16PHXL Mk2 |
| Transmission: | Diesel Electric |
| Wheel layout: | Bo-Bo |
| Wheel diameter: | 42 in (1,067 mm) |
| Minimum curve: | 3.75 chains (75 m) |
| Brakes: | Vacuum |
| Brake force: | 45 LTf (450 kN) |
| Wheelbase: | 31 ft 0 in (9.4 m) |
| Length: | 41 ft 10.5 in (12.8 m) |
| Width: | 9 ft 2 in (2.8 m) |
| Height: | 12 ft 9.5 in (3.9 m) |
| Weight: | 70 long tons (71 t) |
| Maximum speed: | 70 mph (110 km/h) |
| Engine power: | 827 bhp (617 kW) |
| Maximum TE: | 34,500 lbf (153 kN) |
| Heating type: | Steam |
| Fuel capacity: | 300 imp gal (1,400 l) |
| Route availability: | 4 |
British Railways 10800 was a diesel locomotive built by the North British Locomotive Company for British Railways in 1950. It had been ordered by the London, Midland and Scottish Railway in 1946 but did not appear until after the 1948 nationalisation of the railways.
Design was by George Ivatt and the locomotive was intended as a possible replacement for steam locomotives on secondary and branch lines. The single-cab layout (long bonnet forward) gave the driver a poor view of the road ahead but it was no worse than in a steam locomotive so it would have been considered acceptable at the time.
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[edit] Specification
- Bogie wheelbase: 8 ft 6 in
- Bogie pivot centres: 22 ft 6 in
- Sanding equipment: Pneumatic
- Heating type: Steam- Clarkson
- Multiple coupling restriction: Not fitted
- Engine Type: Paxman 16PHXL Mk2
- Engine horsepower: 827 hp
- Cylinder bore: 7 in
- Piston stroke: 7¼ in
- Main generator type: BTH
- Aux generator type: BTH
- Number of traction motors: 4
- Traction motor type: BTH 159
- Gear ratio: 66:15
- Cooling water capacity: 85 gal
- Boiler water capacity: 300 gal
- Boiler fuel capacity:* 90 gal
[edit] Rebuilding
In 1961 or 1962 (sources differ) No. 10800 was bought by Brush Traction and rebuilt for experiments in a.c. power transmission. Brush named the locomotive "Hawk". Specification after rebuilding was:
- Bogie wheelbase: 8 ft 6 in
- Bogie pivot centres: 22 ft 6 in
- Sanding equipment: Not known
- Heating type: Not fitted
- Multiple coupling restriction: Not fitted
- Engine Type: Maybach MD655
- Engine horsepower: 1,400 hp
- Cylinder bore: 7¼ in
- Piston stroke: 8¾ in
- Main alternator type: Brush
- Aux alternator type: Brush
- Number of traction motors: 4
- Traction motor type: Modified rewound BTH 159
- Gear ratio: Not known
- Cooling water capacity: Not known
- Boiler water capacity: Not applicable
- Boiler fuel capacity: Not applicable
It was scrapped at Brush Loughborough in 1976.
[edit] Similar locomotives
The later British Rail Class 15 and British Rail Class 16 were built to a similar design.
[edit] External links
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