British Rail Class 71

From Wikipedia, the free encyclopedia
Jump to: navigation, search
British Rail Class 71
E5001 at Doncaster Works.
Power type Electric
Builder British RailwaysDoncaster Works
Build date 1958–1960
Total production 24
Configuration Bo-Bo
UIC classification Bo'Bo'
Gauge ft 8+12 in (1,435 mmstandard gauge
Wheel diameter 4 ft 0 in (1.219 m)
Locomotive weight 77.00 long tons (78.24 t)
Electric system(s) 660–750 V DC
Current collection method Third Rail (mainline)
Pantograph (sidings)
Traction motors English Electric 532, 4 off
Top speed 90 mph (145 km/h)
Power output One-hour: 2,700 hp (2,010 kW)
Continuous: 2,300 hp (1,720 kW)
Tractive effort 43,800 lbf (195,000 N)
Train heating Electric Train Heating
Locomotive brakeforce 68 long tons-force (678 kN)
Train brakes Dual Vacuum and Air
Career British Railways
Number E5000–E5023; later E5001–E5024; later 71001–71014
Axle load class Route availability 6
Disposition 10 rebuilt to class 74, 13 scrapped, 1 preserved

The British Rail Class 71 was an electric locomotive used on the Southern Region of British Railways. Unlike most other Southern Region electric locomotives (such as the class 73s & 74s) they could not operate away from the electrified (750 V DC third rail) system.