Brake Standard Open (Micro-Buffet)

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British Rail Brake Standard Open (Micro-Buffet)
British Rail Mark 1 BSOT 9015.JPG
BR Mk 1 BSOT, no. 9015 at Swanage on 13 April 2006.
This coach is preserved on the Swanage Railway and is painted in Southern Region coaching stock green.
It was converted from BSO 9229.
In service1952–
ManufacturerMark 1: BR Doncaster & Wolverton,
Mark 2: BR Derby
Number builtMark 1: 18,
Mark 2: 8
Fleet numbersMark 1: 9000-9017,
Mark 2: 9100-9107
CapacityMark 1: 31 seats,
Mark 2: 23 seats
Operators British Rail
Specifications
Car length64 ft 6 in (19.66 m)
Width9 ft 3 in (2.82 m)
Height12 ft 9+12 in (3.90 m)
Maximum speed90 or 100 mph (145 or 161 km/h)
Weight34 long tons (35 t; 38 short tons)
HVAC Steam, electric, or dual heating, ETH index (Mk1 3, Mk2 4)
Bogies Mark 1: BR1 or Commonwealth,
Mark 2: B4
Braking system(s) Vacuum, air, or both
Coupling system Drop-head knuckle coupler on draw-hook (dual)
Track gauge 4 ft 8+12 in (1,435 mm) standard gauge
Mk 2 BSOT number 9102 at the Northampton & Lamport Railway. Converted for use by a Motorman in push-pull train operation. 9102 nlr 050807 d.adkins.jpg
Mk 2 BSOT number 9102 at the Northampton & Lamport Railway. Converted for use by a Motorman in push-pull train operation.

A Brake Standard Open (Micro-Buffet), often abbreviated to BSOT or BSO(T), is a type of railway carriage used by British Rail.

These coaches were converted from a Brake Standard Open (BSO), by replacing one passenger seating bay with a counter for serving food, and space for a trolley for light refreshments. The toilet was removed and the space converted to a steward's prep-room and store.

Two batches of coaches were converted, as shown below.

Number rangeType
9000-9017 Mark 1
9100-9107 Mark 2

These coaches are no longer in scheduled main-line services, the last being withdrawn in the mid-1990s. However, several coaches from both Mk1 and Mk2 types have been preserved on heritage railways, or are used by charter companies. These are detailed below:

NumbersBuiltLocationCondition
BSOTBSO
900092761956 Doncaster Gloucestershire Warwickshire Railway In service
900192751956 Doncaster Paignton and Dartmouth Steam Railway In service
900293721963 WolvertonScrapped
900393771963 Wolverton Dean Forest Railway In service
900493791963 WolvertonScrapped
900593731963 WolvertonScrapped
900693651963 WolvertonScrapped
900793741963 WolvertonScrapped
900893671963 WolvertonScrapped
900993781963 WolvertonScrapped
901093691963 Wolverton Mid Norfolk Railway In service
901193701963 Wolverton Embsay and Bolton Abbey Steam Railway In service
901293711963 WolvertonScrapped
901393681963 WolvertonScrapped
901493801963 Wolverton West Somerset Railway In service
901592291955 Doncaster Swanage Railway In service
901692371956 Doncaster Bo'ness and Kinneil Railway In service
901793751963 WolvertonScrapped
910094051966 Derby Royal Deeside Railway Static use as a visitor centre
910193981966 Derby Vintage Trains Mainline charter service
910293831966 Derby Northampton & Lamport Railway In service
910393891966 Derby Nottingham Heritage Centre In service
910494011966 Derby West Coast Railways Mainline charter service
910594041966 Derby Peak Rail In service
910694061966 Derby Telford Steam Railway Under Restoration
910794071966 DerbyScrapped