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 type Steam
Designer Henry Ivatt
Builder Doncaster Works
Build date 1906–1912
Total produced 56
Specifications
Configuration 0-6-2T
UIC class 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 load 18.00 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 type Coal
Fuel capacity 4.00 long tons (4.06 t)
Water cap 1,600 imp gal (7,300 l; 1,900 US gal)
Firebox:
 • Firegrate area
19 sq ft (1.8 m2)
Boiler LNER diagram 7
Boiler pressure 170 psi (1.2 MPa)
Cylinders Two, inside
Cylinder size 18 in × 26 in (457 mm × 660 mm)
Valve gear Stephenson
Valve type Slide valves
Performance figures
Tractive effort 17,900 lbf (79.62 kN)
Career
Operators
Class GNR/LNER: N1
Power class
  • LNER: 2
  • BR: 2MT
Numbers
  • GNR: 190, 1551–1605
  • LNER: 3190, 4551–4605; 9430–9485
  • BR: 69430–69485
Axle load class LNER/BR: Route availability 5
Withdrawn 1947–1959
Disposition All 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 They were all withdrawn from service between 1947 and 1959.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 have 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.

References[edit]

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