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LNER Class Y10








LNER Class Y10


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LNER Class Y10

Push-me Pull-you (8523996773).jpg
Model of a Y10











Type and origin
Power typeSteam
DesignerSentinel Waggon Works
BuilderSentinel Waggon Works
Build date1930
Total produced2 (for LNER)








































Specifications
Configuration:
 • Whyte
0-4-0T
Gauge
4 ft 8 12 in (1,435 mm)

Driver dia.
3 ft 2 in (0.965 m)
Wheelbase6 ft 0 in (1.83 m)
Length23 ft 2 14 in (7.07 m) over buffers
Axle load12.30 long tons (12.50 t; 13.78 short tons)
Loco weight23.95 long tons (24.33 t; 26.82 short tons)
Fuel typeCoal
Fuel capacity12 long hundredweight (610 kg; 1,300 lb)
Water cap600 imp gal (2,700 l; 720 US gal)
Firebox:
 • Firegrate area
6.5 sq ft (0.60 m2)
Boiler pressure275 psi (1.90 MPa) water tube boiler
Heating surface159.0 sq ft (14.77 m2)
 • Firebox51.0 sq ft (4.74 m2)
Superheater:
 • Heating area40.0 sq ft (3.72 m2)
CylindersFour
Cylinder size
6 34 in × 9 in (171 mm × 229 mm)
Valve typeRotary cam & poppet valves


Performance figures
Tractive effortsee text






Career
Operators
  • London and North Eastern Railway

  • → British Railways

Axle load class
RA 1
DispositionBoth scrapped

The LNER Class Y10 was a class of two 0-4-0T geared steam locomotives built by Sentinel Waggon Works for the London and North Eastern Railway and introduced in 1930.[1] The LNER numbered them 8403 and 8404 but they were later re-numbered 8186 and 8187. This was the second use of the classification Y10 by the LNER. The first was for an ex-North British Railway 0-4-0 steam tender locomotive, withdrawn 1925.[2]


Both the Sentinels passed into British Railways ownership in 1948 but 8187 was withdrawn almost immediately. Number 8186 was allocated the BR number 68186, but never actually carried it, and was withdrawn in 1952.[3]




Contents





  • 1 Power unit


  • 2 Transmission


  • 3 Usage


  • 4 References




Power unit[edit]


The superheated vertical water-tube boiler and the motor were similar to those used in Sentinel steam wagons. Each locomotive had two 2-cylinder engines, giving a total of 200 horsepower (150 kW). The engines had poppet valves and reversing was by sliding camshaft. The advantage of the water-tube boiler was that steam could be raised much more quickly than with a conventional fire-tube boiler.



Transmission[edit]


Final drive to the wheels was by sprocket and chain. There was a two-speed gearbox but gears could only be changed while the locomotive was stationary. Tractive effort was:


  • Low gear 11,435 lbf (50.87 kN)

  • High gear 7,965 lbf (35.43 kN)


Usage[edit]


These locomotives were intended for service on the Wisbech and Upwell Tramway and had several tram engine features. These included cowcatchers and sideplates and a cab at each end.


They were not a great success on the Wisbech and Upwell and both were moved to Yarmouth in May 1931 to work the quayside line.



References[edit]




  1. ^ Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 47


  2. ^ http://www.lner.info/locos/Y/y10wheatley.shtml


  3. ^ http://www.lner.info/locos/Y/y10.shtml




  • Boddy, M. G.; Brown, W. A.; Fry, E. V.; Hennigan, W.; Hoole, Ken; Manners, F.; Neve, E.; Platt, E. N. T.; Proud, P.; Yeadon, W. B. (June 1977). Fry, E. V., ed. Locomotives of the L.N.E.R., Part 9B: Tank Engines—Classes Q1 to Z5. Kenilworth: RCTS. pp. 108–109. ISBN 0-901115-41-X..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em







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