What is British Rail Class 81?
{{Infobox Locomotive |name = British Railways AL1<br>British Rail Class 81 |powertype = Electric |image = Class81.jpg |caption = A row of Class 81 locomotives waiting to be scrapped |roadnumber = E3001–E3023, E3096, E3097; later 81001–81022 |builder = [[Associated Electrical Industries]] at [[Birmingham Railway Carriage and Wagon Company]] |builddate = 1959–1964 |gauge = {{RailGauge|ussg|lk=on|al=on}} |totalproduction = 25 |electricsystem = [[25 kV AC]] |collectionmethod = Stone-Faiverley ‘V’-type [[pantograph (rail)|pantograph]], 2 off (later 1 off) |tractionmotors = {{convert|847|hp|kW|abbr=on|lk=on}} AEI 189 quill drive, 4 off |whytetype = [[Bo-Bo]] |uicclass = Bo'Bo' |wheeldiameter = {{convert|4|ft|0|in|m|3|abbr=on}} |minimumcurve = |trainbrakes = Vacuum; Dual from 1972–1973 |locobrakes = Air, Rheostatic |locobrakeforce = |wheelbase = |length = {{convert|56|ft|6|in|m|2|abbr=on}} |width = {{convert|8|ft|8+1/2|in|m|2|abbr=on}} |height = {{convert|12|ft|4+1/4|in|m|2|abbr=on}} |locoweight = {{convert|79.60|LT|1|lk=on}} |topspeed = {{convert|100|mph|km/h|0|abbr=on|lk=on}} |poweroutput = {{convert|3200|hp|kW|sigfig=3|abbr=on|lk=on}} |tractiveeffort = {{convert|50000|lbf|kN|sigfig=3|abbr=on|lk=on}} |trainheating = [[Electric Train Heating]] |multipleworking = |axleloadclass = [[Route availability]] 6 |railroad = [[British Rail]] |retiredate = 1968 (2), 1971 (1), 1983–1991 |disposition = One preserved, remainder scrapped }} The [[British Rail]] '''Class 81''' was an [[Alternating current|AC]] [[electric locomotive]] that operated on the [[West Coast Main Line]] on the London Midland Region of [[British Rail]]. Only one was preserved. {{British Rail Locomotives}} {{Transport-stub}} [[Category:British Rail electric locomotives|81]]