- LNER Class Y11
Infobox Locomotive
name = LNER Class Y11
powertype=Petrol-mechanical
caption =
builder = Motor Rail & Tram Car Co. Ltd.
buildmodel = Simplex
builddate = 1919, 1920, 1925
primemover = Dorman 4JO
enginetype= Petrol
poweroutput=convert|40|hp|abbr=on
transmission = Mechanical, two-speed Dixon-Abbot, chain final drive
uicclass=B
whytetype=0-4-0
wheeldiameter = convert|3|ft|1|in|m|3|abbr=on
locobrakes = Air
trainbrakes = None
weight = convert|8|LT
topspeed = convert|7.2|mph|abbr=on
axleloadclass =Route Availability : 1
tractiveeffort = convert|3750|lbf|kN|abbr=on
railroad=Great Eastern Railway ,North British Railway ,London and North Eastern Railway ,British Railways
numinclass=3
retiredate=1950–1956
disposition=UnknownLNER Class Y11 was a class of petrol powered
0-4-0 locomotive s built by Motor Rail & Tram Car Company Limited under their "Simplex" brand and introduced in the years1919 -1925 for theLondon and North Eastern Railway (LNER ). TheirBritish Railways numbers were 15097-15099.Numbering
* Works no. 1931, LNER no. 8430, re-numbered 8188, BR no. 15098 or 68188
** Built 1919, acquired by LNER 1923 (ex-Great Eastern Railway ), withdrawn 1956* Works no. 2037, LNER no. 8431, re-numbered 8189, BR no. 15099 or 68189
** Built 1921, acquired by LNER 1923 (ex-North British Railway ), withdrawn 1956* Works no. 2126, LNER no. ED/L4, BR no. 15097
** Built ? acquired by LNER 1925 (ex-Preston Water Works, Lancashire), withdrawn 1950pecification
*Wheel arrangement: 0-4-0
*Weight: 8 tons 0 cwt
*Wheel diameter: 3ft 1in
*Min curve negotiable: 1 chain
*Engine type: Dorman 4JO (petrol)
*Engine output: 40hp
*Power at rail: 24hp
*Maximum speed: 7 1/2mph
*Brake type: Air on loco, no train brake
*Route Availability : 1
*Heating type: Not fitted
*Multiple coupling type: Not fitted
*Transmission: Mechanical, 2-speed Dixon AbbotPreservation
None of the LNER locomotives has been preserved but several similar ones have, including:
* Works no. 2029 at the
East Anglian Railway Museum
* Works no. 2028 at theNottingham Transport Heritage Centre Nottingham Transport Heritage Centre also has another Simplex numbered 15100. This is probably an "imaginary" British Railways number, continuing from 15099.
External links
* [http://www.therailwaycentre.com/New%20Loco%20Tech%20Data/Class15097.html The Railway Centre – Technical details of 15097 - 15099]
* [http://www.lner.info/locos/IC/y11.shtml LNER Encyclopedia]
* [http://www.earm.co.uk/stockfiles/simplex.htm East Anglian Railway Museum]
* [http://www.nthc.co.uk/gcrn/38f/locos_output/index.asp Nottingham Transport Heritage Centre]
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