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NER Class D








NER Class D


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NER Class D
LNER Class H1
NER D CLASS H1 2150.jpg










Type and origin
Power typeSteam
DesignerVincent Raven
Builder
NER Darlington
Build date1913,1920—1922
Total produced45














































Specifications
Configuration:
 • Whyte
4-4-4T
Gauge
4 ft 8 12 in (1,435 mm) standard gauge
Leading dia.3 ft 1 14 in (0.946 m)

Driver dia.
5 ft 9 in (1.753 m)
Trailing dia.3 ft 1 14 in (0.946 m)
Wheelbase34 ft 6 in (10.52 m)
Loco weight87.35 long tons (88.75 t; 97.83 short tons)
Fuel typeCoal
Fuel capacity4 long tons (4.1 t; 4.5 short tons)
Water cap2,000 imp gal (9,100 l; 2,400 US gal)
Firebox:
 • Firegrate area
23 sq ft (2.1 m2)
Boiler pressure160 psi (1.1 MPa)
Heating surface1,252.974 sq ft (116.4051 m2)
 • Tubes654.24 sq ft (60.781 m2)
 • Flues280.6 sq ft (26.07 m2)
 • Firebox124 sq ft (11.5 m2)
Superheater:
 • TypeSchmidt
 • Heating area194.13 sq ft (18.035 m2)
Cylindersthree
Cylinder size
16 12 in × 26 in (419 mm × 660 mm)
Valve gearStephenson


Performance figures
Tractive effort22,940 lbf (102.0 kN)






Career
Operators
North Eastern Railway, London & North Eastern Railway
Retired1931-1936
DispositionAll rebuilt to LNER Class A8

The North Eastern Railway Class D (later London and North Eastern Railway (LNER) Class H1) was a class of 4-4-4T three-cylinder side tank steam locomotive designed by Vincent Raven in 1913.[1] They were used for rural passenger services. Forty five were built in total; a first batch of twenty, then a further twenty five after the War.[2]


Between 1931 and 1936, all of the LNER H1 class were rebuilt with a 4-6-2T wheel layout and re-classified as A8.[3] They were scrapped between 1957 and 1960.[3]



References[edit]




  1. ^ Ahrons, E. L. (1927). The British Steam Railway Locomotive 1825-1925. Amen Corner, London: Locomotive Publishing Co. pp. 338..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


  2. ^ "NER Raven H1 4-4-4T Locomotives". LNER Encyclopedia.


  3. ^ ab Casserley, H.C.; Asher, L.L. (1961) [1955]. Locomotives of British Railways. Spring Books. pp. 113, 472.










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