British Rail Class 70

Southern Railway Class CC Electrics
British Rail Class 70
20002
Type and origin
Power typeElectric
BuilderSR Ashford Works (2)
BR Brighton Works (1)
Build date1941, 1945, 1948
Total produced3
Specifications
Configuration:
​
 • WhyteCo-Co
 • UICCo'Co'
Wheel diameter3 ft 6 in (1.067 m)
Loco weight20001/2: 99.70 long tons (101 t)
20003: 104.70 long tons (106 t)
Current pickup(s)Third rail (mainline), Pantograph (sidings)
Traction motorsEnglish Electric 245, 6 off
Train brakesVacuum, Air, Electro-Pneumatic
Performance figures
Top speed75 mph (121 km/h)
Power output1,470 hp (1,100 kW)
Tractive effort20001/2: 40,000 lbf (178 kN)
20003: 45,000 lbf (200 kN)
Career
Railroad(s)Southern Railway
British Railways
Power classBR: 7P5F
NumberSR: CC1, CC2
BR: 20001–20003
Retired1968
DispositionAll scrapped in 1969

The British Rail class 70 was a class of three 3rd rail Co-Co electric locomotives. The initial two were built by the Southern Railway at Ashford Works in 1941 and 1945 and were numbered CC1 and CC2. Electrical equipment was designed by Alfred Raworth and the body by Oliver Bulleid. CC2 was modified slightly from the original design by C. M. Cock who had succeeded Raworth as Electrical Engineer. The third was built by British Railways in 1948 and numbered 20003.


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