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LNER Class Y3








LNER Class Y3


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LNER Class Y3










Type and origin
Power typeSteam
DesignerSentinel Waggon Works
BuilderSentinel Waggon Works
Build date1927-1931
Total produced32


















Specifications
Configuration:
 • Whyte

0-4-0 geared tank
Gauge
4 ft 8 12 in (1,435 mm)

Driver dia.
2 ft 6 in (0.76 m)
Loco weight20.8 long tons (21.1 t)
Fuel typecoal
Boiler pressure275 psi (1.90 MPa)
water tube boiler
Cylinderstwo
Cylinder size
6 34 in × 9 in (170 mm × 230 mm)


Performance figures
Tractive effortsee text


Career
Axle load class
Route Availability 1

The LNER Class Y3 was a class of 0-4-0 geared steam locomotives built by Sentinel Waggon Works for the London and North Eastern Railway and introduced in 1927. They passed into British Railways ownership in 1948 and were numbered 68154-68185.[1] At least one was based at Immingham in 1950.[2]




Contents





  • 1 Power unit


  • 2 Transmission


  • 3 References

    • 3.1 Sources



  • 4 External links




Power unit[edit]


The superheated vertical water-tube boiler and the engine were similar to those used in Sentinel steam wagons. 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 chain. Some locomotives had a sprocket gear ratio of 19:19 and others 15:19. In addition, there was a two-speed gearbox but gears could only be changed while the locomotive was stationary. Tractive effort was:


  • Ratio 19:19, Low gear 12,600 lbf (56 kN), High gear 4,705 lbf (20.93 kN) (68154-68179 and 68184-68185)

  • Ratio 15:19, Low gear 15,960 lbf (71.0 kN), High gear 5,960 lbf (26.5 kN)(68180-68183)


References[edit]




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


  2. ^ Ludlam 2016, p. 39.




Sources[edit]



  • Ludlam, A.J. (2016). Immingham - A Lincolnshire Railway Centre (Lincolnshire Railway Centres). Ludborough, Lincolnshire: Lincolnshire Wolds Railway Society. ISBN 0995461007..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


External links[edit]


  • LNER encyclopedia







Retrieved from "https://en.wikipedia.org/w/index.php?title=LNER_Class_Y3&oldid=777813138"





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