BR Standard Class 2 2-6-0

BR Standard Class 2 2-6-0
Standard class 2 No. 78000
Type and origin
Power typeSteam
DesignerR. A. Riddles
BuilderBritish Railways Darlington Works
Build dateDecember 1952 – November 1956
Total produced65
Specifications
Configuration:
  Whyte2-6-0
  UIC1C h2
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.3 ft 0 in (914 mm)
Driver dia.5 ft 0 in (1,524 mm)
Tender wheels3 ft 3+12 in (1,003 mm)
Minimum curve4 chains (260 ft; 80 m)
Wheelbase:
  Engine
  • 8 ft 6 in (2,591 mm) +
  • 6 ft 9 in (2,057 mm) +
  • 7 ft 0 in (2,134 mm) =
  • 22 ft 3 in (6,782 mm)
  Tender
  • 6 ft 6 in (1,981 mm) +
  • 6 ft 6 in (1,981 mm) =
  • 13 ft 0 in (3,962 mm)
  incl. tender44 ft 1 in (13,437 mm)
Length:
  Over buffers53 ft 2+12 in (16,218 mm)
Width8 ft 6 in (2,591 mm)
Height12 ft 9+12 in (3,899 mm)
Axle load13.75 long tons (13.97 t; 15.40 short tons)
  Leading8.75 long tons (8.89 t; 9.80 short tons)
  1st coupled13.75 long tons (13.97 t; 15.40 short tons)
  2nd coupled13.60 long tons (13.82 t; 15.23 short tons)
  3rd coupled13.15 long tons (13.36 t; 14.73 short tons)
  Tender axle
  • Axle 1: 13.75 long tons (13.97 t; 15.40 short tons)
  • Axle 2: 11.80 long tons (11.99 t; 13.22 short tons)
  • Axle 3: 11.30 long tons (11.48 t; 12.66 short tons)
Adhesive weight40.50 long tons (41.15 t; 45.36 short tons)
Loco weight49.25 long tons (50.04 t; 55.16 short tons)
Tender weight36.85 long tons (37.44 t; 41.27 short tons)
Total weight86.10 long tons (87.48 t; 96.43 short tons)
Tender typeBR3
Fuel typeCoal
Fuel capacity4 long tons (4.1 t; 4.5 short tons)
Water cap.3,000 imp gal (14,000 L; 3,600 US gal)
Firebox:
  TypeBelpaire
  Grate area17.5 sq ft (1.63 m2)
Boiler:
  ModelBR8
  Pitch8 ft 3 in (2,515 mm)
  Tube plates10 ft 10+12 in (3,315 mm)
  Small tubes1+58 in (41 mm) O.D. × 12 SWG, 162 off
  Large tubes5+18 in (130 mm) O.D. × 7 SWG, 12 off
Boiler pressure200 psi (1.38 MPa; 14.1 kgf/cm2)
Heating surface:
  Firebox101 sq ft (9.4 m2)
  Tubes and flues924 sq ft (85.8 m2)
Superheater:
  Heating area124 sq ft (11.5 m2)
CylindersTwo, outside
Cylinder size16+12 in × 24 in (419 mm × 610 mm)
Performance figures
Tractive effort18,515 lbf (82.4 kN)
Factor of adh.4.9
Career
OperatorsBritish Railways
Power class2MT
Numbers78000–78064
NicknamesMickey Mouse
Axle load classRoute Availability 3
WithdrawnNovember 1963 – August 1967
DispositionThree preserved, one in the process of being rebuilt into tank version, remainder scrapped

The BR Standard Class 2 2-6-0 is a class of steam locomotive, one of the British Railways Standard classes of the 1950s. They were physically the smallest of the Standard classes; 65 were built.