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British Rail Class 305

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British Rail Class 305
Class 305 unit at York
In service1959–2001
ManufacturerBritish Rail
Order no.
  • 30566 (BDTSOL, 305/2, as built)
  • 30567 (MBSO, 305/2)
  • 30568 (TSOL, 305/2)
  • 30569 (DTSO, 305/2)
  • 30570 (BDTSO, 305/1)
  • 30571 (MBSO, 305/1)
  • 30572 (DTSO, 305/1)[1][2]
Built at
Family nameBR First Generation EMU
ReplacedSteam locomotives and carriages
Constructed1959–1960
Refurbishment1983–1984 (305/2 facelift)[4]
Number built71
Number scrapped71
SuccessorClass 322
Class 323
FormationClass 305/1
BDTSO+MBS+DTSO
Class 305/2 As Built
BDTSOL+MBSO+TCsoL+DTS
Class 305/2 Facelifted
BDTCOL+MBS+TSOL+DTSO
Class 305/3
BDTSO+MBS+TCsoL+DTSO [5][6]
DiagramAs Built
Class 305/1
  • 413 MBSO
  • 436 BDTSO, DTSO

Class 305/2
  • 405 MBSO
  • 437 DTS
  • 438 BDTSOL
  • 455 TCsoL

TOPS Codes
Class 305/1
  • E204.0A MBSO
  • EE209.1B DTSO
  • EF205.0A

Class 305/2
As Built
  • ED205.1B MBS
  • EE210.0A DTS
  • EF206.0A BDTSOL
  • EH302.1B TCsoL

Refurbished
  • ED216.0A MBSO
  • EE220.0A DTS
  • EF304.0A BDTSOL
  • EH223.0A TSOL
[7][6][2] [8]
Design codeAM5
Fleet numbersClass 305/1:
  • 305401-305452
  • 75462-75513 BDTSO
  • 61429-61480 MBS
  • 75514-75565 DTSO

Class 305/2:
  • 305501-305519
  • 75424-75442 BDTSOL later BDTCOL
  • 61410-61428 MBS later MBSO
  • 70356-70374 TCsoL later TSOL
  • 75443-75461 DTS later DTSO [2]
Capacity272 seats (305/1),
344 2nd + 19 1st (305/2) [2]
Operator(s)
Depot(s)
Specifications
Car body constructionWelded steel and spayed asbestos
Train length199 ft 6 in (60.81 m) (305/1)
265 ft 8+12 in (80.99 m) (305/2)
Car length63 ft 6+12 in (19.37 m) [8]
Width9 ft (2.74 m) [8]
Height12 ft 7 in (3.835 m) [8]
DoorsSlam Door
Articulated sections3 or 4
Wheelbase
  • 46 ft 6 in (14.173 m) (bogie centres)
  • 8 ft 6 in (2.59 m) (bogies) [8]
Maximum speed75 mph (121 km/h)[10]
Weight
Traction motors4 × GEC WT380 of 153 kW (205 hp)[1]
Auxiliaries240 V from the tertiary winding of the main transformer for heating and for a Westinghouse charger feeding 110 V dc for lighting and battery charging[3]
Power supplyMercury-arc rectifiers[3] (later replaced with silicon diode)
Train heatingElectric
Electric system(s)Template:25 kV 50 Hz Overhead
(and 6.25 kV until 1983)
Current collection methodPantograph
Bogies
  • Gresley ED5 (MBS)
  • Gresley ET8 (DTS)
  • Gresley ET5 (BDTS, BTDC, TS[8]
  • compound bolster[3]
Braking system(s)Westinghouse EP air[3]
Safety system(s)AWS[8]
Coupling systemDrophead[8]
Track gauge1,435 mm (4 ft 8 12 in) standard gauge

The British Rail Class 305 were an alternating current (AC) electric multiple unit (EMU). Under the pre-1973 British Rail numbering system, the class was known as AM5. When TOPS as introduced, the class became Class 305.

References[change | change source]

  1. 1.0 1.1 1.2 Fox 1994, pp. 10–11
  2. 2.0 2.1 2.2 2.3 Longworth 2015, pp. 129–130, 134–135, 158, 178–180
  3. 3.0 3.1 3.2 3.3 3.4 3.5 "Multiple-Unit Stock for New Great Eastern Electric Services". The Railway Magazine. No. January 1961. pp. 11–13.
  4. Bowles, L.J. (1985). British Rail Coaching Stock 1985. Shepperton,Surry,UK. p. 121. ISBN 9780711014558.{{cite book}}: CS1 maint: location missing publisher (link)
  5. Longworth 2015, pp. 70–71
  6. 6.0 6.1 British Rail Motive Power Combined Volume 1989. Shepperton, Surry, UK: Ian Allan. 1989. pp. 81–82. ISBN 0711018499.
  7. British Rail Coaching Stock 1983/84. Shepperton, Surry, UK: Ian Allan. 1989. pp. 103–104. ISBN 0711013527.
  8. 8.0 8.1 8.2 8.3 8.4 8.5 8.6 8.7 Diagram Book 1986, ED204, ED205, ED216, EE209, EE210, EE220, EF205, EF206, EF304, EH223, EH302.
  9. Fox 1987, pp. 51–52
  10. Marsden, Colin (1982). Motive Power Recognition 2 EMUs. Shepperton,Surrey,UK: Ian Allan. p. 16. ISBN 0711011656.