British Rail Class 418

British Rail Class 418
5934 at Virginia Water in 1979
In service1969-1970, 1974-1980, 1982-1983
ManufacturerBR Eastleigh
Number built63 units converted from 2-HAP
FormationDMBSO - DTS
OperatorsBritish Rail
Lines servedSouthern Region
Specifications
Car body constructionSteel
Train length132 ft 8+12 in (40.450 m)
Car length63 ft 11+12 in (19.495 m)
Width9 ft 3 in (2.819 m)
Height12 ft 8 in (3.86 m) (overall)
Entry3 ft 9 in (1.14 m)
DoorsSlam
Wheelbase
  • 46 ft 6 in (14.17 m) (bogie centres)
  • 8 ft 9 in (2.67 m) (motor bogie)
  • 8 ft 6 in (2.59 m) (others)
Maximum speed90 mph (140 km/h)
Weight
  • 42 t (41 long tons; 46 short tons) (DMBSO)
  • 32.5 t (32.0 long tons; 35.8 short tons) (DTS)
Traction motors2 × EE507[1]
Power output2 x 250 hp (190 kW)
500 hp (370 kW)
HVACElectric
Electric system(s)750 V DC third rail
Current collector(s)Contact shoe
UIC classificationBo′2′+2′2′
Bogies
Braking system(s)Air (EP/Auto)
Coupling system
  • Buckeye (outer)
  • 3 link (inner)
Multiple working1951, 1957, 1963, 1966 SR Emus
Track gauge1,435 mm (4 ft 8 12 in) standard gauge

British Rail Class 418 (or 2Sap) was a class of electric multiple unit commissioned by British Railways Southern Region. in England. The units were formed in the 1970s by simply declassifying the first class accommodation in selected 2Hap units. They were employed on inner suburban routes such as the Hounslow Loop.

References

  1. Vickers, R.L. (1986). DC Electric Trains and Locomotives in the British Isles. Newton Abbot: David and Charles. p. 79. ISBN 0715386743. OCLC 839555538.