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GNR Class N1








GNR Class N1


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GNR Class N1
LNER Class N1[1]

Bradford Hammerton Street Locomotive Depot geograph-2370243-by-Ben-Brooksbank.jpg
Nos. 9459 and 9479 at Bradford Hammerton Street Depot in 1947











Type and origin
Power typeSteam
DesignerHenry Ivatt
BuilderDoncaster Works
Build date1906–1912
Total produced56










































Specifications
Configuration:
 • Whyte
0-6-2T
 • UIC
C1 n2t, eleven later C1 h2t
Gauge
4 ft 8 12 in (1,435 mm)

Driver dia.
5 ft 8 in (1.727 m)
Trailing dia.3 ft 8 in (1.118 m)
Wheelbase

  • First: 23 ft 3 in (7.09 m)


  • Remainder: 23 ft 9 in (7.24 m)

Length

  • First: 35 ft 7 12 in (10.86 m)


  • Remainder: 36 ft 7 12 in (11.16 m)

Axle load18.00 long tons (18.29 t)
Adhesive weight

  • First: 51.20 long tons (52.02 t)


  • Remainder: 51.35 long tons (52.17 t)

Loco weight

  • First: 64.70 long tons (65.74 t)


  • Remainder: 65.85 long tons (66.91 t)

Fuel typeCoal
Fuel capacity4.00 long tons (4.06 t)
Water cap1,600 imp gal (7,300 l; 1,900 US gal)
Firebox:
 • Firegrate area
19 sq ft (1.8 m2)
BoilerLNER diagram 7
Boiler pressure170 psi (1.2 MPa)
CylindersTwo, inside
Cylinder size18 in × 26 in (457 mm × 660 mm)
Valve gearStephenson
Valve typeSlide valves


Performance figures
Tractive effort17,900 lbf (79.62 kN)














Career
Operators
  • Great Northern Railway

  • London and North Eastern Railway

  • British Railways

ClassGNR/LNER: N1
Power class
  • LNER: 2

  • BR: 2MT

Numbers
  • GNR: 190, 1551–1605

  • LNER: 3190, 4551–4605; 9430–9485

  • BR: 69430–69485

Axle load classLNER/BR: Route availability 5
Withdrawn1947–1959
DispositionAll scrapped

The Great Northern Railway (GNR) Class N1 is an 0-6-2T side tank steam locomotive designed by Henry Ivatt and introduced in 1906. They were all withdrawn from service between 1947 and 1959. None has survived.




No. 9463 fitted with condensing gear at Harringay 11 October 1946


The majority of the class were fitted with condensing apparatus and worked in the London area, from King's Cross and Hornsey Depots on empty coach trains and on cross-London exchange freight trains.


In 1914 the Crewe works built an armoured train which used a Class N1 engine. The engine was covered by 14mm steel plate, and featured observation apertures to the front and side, closed by sliding steel shutters.[2]



References[edit]




  1. ^ Boddy et al. 1977, pp. 45, 55–56.


  2. ^ Osborne, Mike (2017). If the Kaiser Comes - Defence Against A German Invasion of Britain in the First World War. England: Fonthill Media Limited. p. 90. ISBN 9781781555750..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




  • 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. (March 1977). Fry, E. V., ed. Locomotives of the L.N.E.R., Part 9A: Tank Engines—Classes L1 to N19. Kenilworth: RCTS. ISBN 0-901115-40-1.


  • Casserley, H.C. & Johnston, Stuart W. (1974) [1966]. Locomotives at the Grouping 2: London & North Eastern Railway. Shepperton, Surrey: Ian Allan Limited. p. 73. ISBN 0-7110-0553-2.

  • Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 53.


External links[edit]


  • LNER Encyclopedia







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