LNER Thompson Class B1 61306

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Power typeSteam
Power typeSteam
LNER 61306 Mayflower
Mayflower at Doncaster Works in 2003
Type and origin
Power typeSteam
DesignerEdward Thompson
BuilderNorth British Locomotive Company, Glasgow
Order numberL963
Serial number26207
Build dateApril 1948
Specifications
Configuration:
  Whyte4-6-0
  UIC2′C h2
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.3 ft 2 in (0.965 m)
Driver dia.6 ft 2 in (1.880 m)
Loco weight71 long tons 3 cwt (159,400 lb or 72.3 t)
Fuel typeCoal
Water cap.4,000 imp gal (18,000 L; 4,800 US gal)
BoilerLNER diagram 100A
Boiler pressure225 psi (1.55 MPa)
CylindersTwo (outside)
Cylinder size20 in × 26 in (508 mm × 660 mm)
Valve gearWalschaerts
Valve type10-inch (254 mm) piston valves
Performance figures
Tractive effort26,878 lbf (119.56 kN)
Career
OperatorsBritish Railways
Power class5MT
Axle load classRoute Availability 5
WithdrawnSeptember 1967
Current ownerLocomotive Services Group
DispositionOperational, mainline certified

LNER Thompson Class B1 No. 61306 Mayflower is a 4-6-0 steam locomotive built in 1948 at the North British Locomotive Company to a design by Edward Thompson. It was employed for hauling mixed traffic trains on British Railways' Eastern, North Eastern, and Scottish Regions until it was bought for preservation in 1967, during which it was renumbered and given its current name.

In 2019, Mayflower emerged from an extensive overhaul and is certified for running on the British mainline.

61306 was built in 1948 by the North British Locomotive Company, Works No. 26207. Though built to an LNER design, it was delivered after nationalisation to British Railways (BR).

61306 was initially allocated to Hull Botanic Gardens Depot (shed code 53B). In June 1959 it was transferred to nearby Hull Dairycoates Depot (53A). Its final allocation in June 1967 was to Bradford Low Moor depot (56F), but it was quickly withdrawn in September 1967.

Preservation

References

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