| 词条 | British Rail Class 122 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
| background = #0033cc;color:white | name = British Rail Class 122 Bubble Car | image = 55006 at Bewdley.JPG | imagealt = | imagesize = 300px | caption = Class 122, no. 55006, at Bewdley on the Severn Valley Railway on 15 October 2004, whilst taking part in the Railcar 50 event. This unit is painted in original BR Green livery, and is preserved on the Ecclesbourne Valley Railway. | interiorimage = Class 122 55000 interior.jpg | interiorimagealt = | interiorcaption = Interior of W55000 on the South Devon Railway | service = 1958–1995 | manufacturer = Gloucester RC&W | factory = | family = First generation | replaced = Steam locomotives and carriages | yearconstruction = | yearservice = | refurbishment = | yearscrapped = | numberconstruction= | numberbuilt = 20 motor, 9 trailer | numberservice = | numberpreserved = DMBS: 8 | numberscrapped = | formation = Single car | diagram = {{ubl|DMBS: 539|DTS: 538}} | fleetnumbers = {{ubl|DMBS: 55000–55019|DTS: 56291–56299}} | capacity = {{ubl|DMBS: 65|DTS 95}} | operator = British Rail | depots = {{ubl|Bletchley[1]|Reading|Tyseley}} | lines = Aylesbury–Princes Risborough line | carbody = Steel[2] | trainlength = | carlength = {{convert|64|ft|0+1/2|in|m|2|abbr=on}} | width = {{convert|9|ft|3|in|m|2|abbr=on}} | height = {{convert|12|ft|8+1/8|in|m|2|abbr=on}} | floorheight = | platformheight = | entrylevelorstep = | doors = Slam[2] | art-sections = Single car (2) | maxspeed = {{convert|70|mph|km/h|0|abbr=on}} | weight = {{ubl|DMBS: {{convert|36.00|LT|lb t}}|DTS: {{convert|29.00|LT|lb t}}}} | acceleration = | deceleration = | traction = | engine = Two BUT (AEC) then BUT (Leyland) of {{convert|150|hp|kW|-1|abbr=on}} (both types) | poweroutput = {{convert|300|hp|kW|-1|abbr=on}} | transmission = Standard mechanical | aux = | powersupply = | hvac = | electricsystem = | collectionmethod = | uicclass = | aarwheels = | bogies = | brakes = | safety = AWS | coupling = | multipleworking = ■ Blue Square | gauge = {{RailGauge|ussg}} }} The British Rail Class 122 diesel mechanical multiple units were built by Gloucester RC&W in 1958. Twenty single-car, double-ended driving motor vehicles, nicknamed "Bubble Cars", were built, numbered 55000–55019. These were supplemented by nine single-ended trailer vehicles, numbered 56291–56299[3] (some of which were later renumbered into the 54291–54299 block). Initial useThe Class 122s were built mainly for use on the London Midland Region of British Rail, although some were also used in Scotland. They were used on a variety of lightly used lines, many of which were closed during the Beeching Axe in the 1960s. Routes served included the Stourbridge Town and St Albans Abbey branch lines, as well as local services between Dundee and Arbroath. (The similar Pressed Steel Company built Class 121 single units were used on the Western Region).
Parcels useThree Scottish Region cars (55013–55015) were converted to carry parcels traffic and were reclassified Class 131, though the vehicles themselves were not renumbered. Usage after passenger serviceUpon privatisation of Britain's railways, the Class 122 fleet has been withdrawn from normal service. However several units were operated by EWS and Network Rail (previously Railtrack) in departmental service, reclassified as Class 960.
Preservation"Bubble Cars" have proved popular for preservation on heritage railways.
ModelsDapol have released models of the class 122 railcar in 00 gauge in both BR green liveries and BR blue liveries.[4] References1. ^{{harvnb|Fox|Hughes|1994|p=12}} 2. ^1 {{cite web|url=http://www.therailwaycentre.com/Recognition%20tech%20Data%20DMU/DMU_121.html|title=Class 121, 149|work=The Railway Centre|archiveurl=https://web.archive.org/web/20050309225650/http://www.therailwaycentre.com/Recognition%20tech%20Data%20DMU/DMU_121.html|archivedate=9 March 2005}} 3. ^{{cite book |last=Butcher |first=Roger |title=Departmental Coaching Stock |edition=5th |date=November 1993 |publisher=South Coast Transport Publishing |location=Southampton |isbn=1-872768-10-5 |pages=60, 75 |ref=harv }} 4. ^http://www.hornbymagazine.com/2016/12/02/blog-warley-highlights/dsc_7589_lr/ External links{{Commons category|British Rail Class 122}}
2 : British Rail diesel multiple units|Gloucester multiple units |
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