| BR Class 15
|
| TOPS numbers | None
|
| Early numbers | D8200-D8243
|
| Builder | British Thomson-Houston / Clayton
|
| Introduced | 1957-61 |
|
| Wheel Arrangement | Bo-Bo |
|
| Weight | 68 te | 69 t
|
| Height | 12 ft 6 in | 3.8 m
|
| Width | 9 ft 2 in | 2.8 m
|
| Length | 42 ft | 12.8 m
|
| Wheel Dia. | 3 ft 3 in | 1.0 m
|
| Bogie Wheel Base | 8 ft 6 in | 2.6 m
|
| Bogie Pivot Centres | 22 ft 6 in | 6.9 m
|
| Minimum radius | 3 ½ chains | 70.4 m
|
| Maximum speed | 60 mph | 97 km/h
|
| Engine output | 800 hp
627 hp at rail | 597 kW
468 kW
|
| Max. Tractive Effort | 37,500 lbf | 167 kN
|
| Cont. Tractive Effort | |
|
| Brake type | Vacuum |
|
| Brake force | 31 te | 309 kN
|
| Route availability | 4
|
| Fuel Tank | 400 imp gal | 1.8 m³
|
| Multiple Coupling | Blue Star |
|
| Heating type | None; through steam pipe
|
| Boiler Water Capacity | None |
|
Ordered under the Modernisation Scheme as Type 1 locomotives for local passenger and freight traffic in the London area. Fitted with an off-centre cab. This class was troubled by poor liability and was scrapped relatively early (all withdrawn by March 1971
The engine was a Paxman 16YHXL with 7 in (178 mm) cylinder bore and 7 ¾ in (197 mm) cylinder stroke. The traction motors were4 x BTH 137BZ, nose suspended with single reduction gear drive. The Main Generator was a BTH RTB10858 and the Auxilary Generator was a BTH RTB7420.
Last updated: 10-19-2005 22:32:41
