British Rail Class 305 | |
---|---|
![]() Class 305 unit at York | |
In service | 1959–2001 |
Manufacturer | British Rail |
Order no. | |
Built at |
|
Family name | BR First Generation EMU |
Replaced | Steam locomotives and carriages |
Constructed | 1959–1960 |
Refurbishment | 1983–1984 (305/2 facelift)[4] |
Number built | 71 |
Number scrapped | 71 |
Successor | Class 322 Class 323 |
Formation | Class 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] |
Diagram | As Built Class 305/1
Class 305/2
TOPS Codes Class 305/1
Class 305/2 As Built
Refurbished
|
Design code | AM5 |
Fleet numbers | Class 305/1:
Class 305/2:
|
Capacity | 272 seats (305/1), 344 2nd + 19 1st (305/2) [2] |
Operator(s) | |
Depot(s) | |
Specifications | |
Car body construction | Welded steel and spayed asbestos |
Train length | 199 ft 6 in (60.81 m) (305/1) 265 ft 8+1⁄2 in (80.99 m) (305/2) |
Car length | 63 ft 6+1⁄2 in (19.37 m) [8] |
Width | 9 ft (2.74 m) [8] |
Height | 12 ft 7 in (3.835 m) [8] |
Doors | Slam Door |
Articulated sections | 3 or 4 |
Wheelbase |
|
Maximum speed | 75 mph (121 km/h)[10] |
Weight |
|
Traction motors | 4 × GEC WT380 of 153 kW (205 hp)[1] |
Auxiliaries | 240 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 supply | Mercury-arc rectifiers[3] (later replaced with silicon diode) |
Train heating | Electric |
Electric system(s) | 25 kV 50 Hz AC Overhead (and 6.25 kV until 1983) |
Current collection method | Pantograph |
Bogies | |
Braking system(s) | Westinghouse EP air[3] |
Safety system(s) | AWS[8] |
Coupling system | Drophead[8] |
Track gauge | 1,435 mm (4 ft 8 1⁄2 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.
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