Brake Standard Open
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British Rail Brake Standard Open | |
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In service | 1955– |
Manufacturer | Mark 1: BR Doncaster, Wolverton and Gloucester RCW Mark 2: BR Derby |
Family name | British Railways Mark 1, British Rail Mark 2 |
Constructed | Mark 1: 1955–1963 Mark 2: 1966–1974 |
Number built | 340 |
Fleet numbers | 9200–9539 |
Capacity | Mark 1: 39 Mark 2/A–D: 31 Mark 2E/F: 32 |
Operator(s) | British Rail |
Specifications | |
Car length | 66 ft 0 in (20.12 m) |
Width | 9 ft 3 in (2.82 m) |
Height | Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value). |
Maximum speed | 90–100 mph (145–161 km/h) |
Weight | 33 long tons (34 t; 37 short tons) |
Train heating | Steam, Electric or both |
Bogies | BR1, Commonwealth, or B4 |
Braking system(s) | Vacuum, Air, or both |
Coupling system | Drop-head knuckle coupler on draw-hook |
Track gauge | 4 ft 8 1⁄2 in (1,435 mm) standard gauge |
A Brake Standard Open or BSO, is a type of railway carriage used by British Rail. Both Mark 1 and Mark 2 types were built. Each consists of a standard class open passenger saloon with a centre aisle, a guard's compartment with hand brake and a lockable luggage compartment.
A number of Mark 1 and Mark 2 BSOs were converted to Brake Standard Open (Micro-Buffet) (BSOT), and fourteen Mark 2 BSOs were converted to Driving Brake Standard Open (DBSO). A number of BSO and BSOT coaches have been preserved, and some are still in use on main line charters.
Orders
Lot No. | Diagram | Mark | Built | Builder | Qty | Fleet numbers | Notes |
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30170 | 183 | 1 | 1955–1956 | Doncaster | 77 | 9200–9276 | BR1 bogies |
30244 | 183 | 1 | 1956 | Doncaster | 45 | 9277–9321 | BR1 bogies |
30443 | 183 | 1 | 1959 | Gloucester | 41 | 9322–9362 | BR1 bogies |
30698 | 184 | 1 | 1963 | Wolverton | 18 | 9363–9380 | Commonwealth bogies, fluorescent lighting |
30757 | 185 | 2 | 1966 | Derby | 36 | 9381–9416 | B4 bogies |
30777 | 180 | 2A | 1967 | Derby | 9 | 9417–9425 | B4 bogies |
30788 | 180 | 2A | 1968 | Derby | 13 | 9426–9438 | B4 bogies |
30798 | 186 | 2C | 1970 | Derby | 10 | 9439–9448 | B4 bogies |
30820 | 186 | 2C | 1970 | Derby | 30 | 9449–9478 | B4 bogies |
30824 | 187 | 2D | 1971 | Derby | 17 | 9479–9495 | B4 bogies |
30383 | 188 | 2E | 1972 | Derby | 14 | 9496–9509 | B4 bogies |
30861 | 189 | 2F | 1974 | Derby | 30 | 9510–9539 | B4 bogies |
See also
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