LNER Thompson Class B1 (6)1264

Specifications
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C h2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	6 ft 2 in (1.880 m)
Loco weight	71 long tons 3 cwt (159,400 lb or 72.3 t)
Fuel type	Coal
Water cap.	4,000 imp gal (18,000 L; 4,800 US gal)
Boiler	LNER diagram 100A
Boiler pressure	225 psi (1.55 MPa)
Cylinders	Two (outside)
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Walschaerts
Valve type	10-inch (254 mm) piston valves

Type and origin
Type and origin
Power type	Steam
Designer	Edward Thompson
Builder	North British Locomotive Company, Glasgow
Order number	L963
Serial number	26165
Build date	December 1947

LNER 61264
LNER 61264
	61264 in British Railways livery at Scarborough in 2004 after working the "Scarborough Spa Express.
Power type
Type and origin
Power type	Steam
Designer	Edward Thompson
Builder	North British Locomotive Company, Glasgow
Order number	L963
Serial number	26165
Build date	December 1947
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C h2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	6 ft 2 in (1.880 m)
Loco weight	71 long tons 3 cwt (159,400 lb or 72.3 t)
Fuel type	Coal
Water cap.	4,000 imp gal (18,000 L; 4,800 US gal)
Boiler	LNER diagram 100A
Boiler pressure	225 psi (1.55 MPa)
Cylinders	Two (outside)
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Walschaerts
Valve type	10-inch (254 mm) piston valves
Tractive effort
Performance figures
Tractive effort	26,878 lbf (119.56 kN)
Operators
Career
Operators	British Railways
Power class	5MT
Axle load class	Route Availability 5
Withdrawn	November 1965
Current owner	Thompson B1 Locomotive Trust
Disposition	Undergoing Overhaul

London and North Eastern Railway (LNER) Thompson Class B1 No. 1264, (later British Railways No. 61264, and Departmental No. 29) is a preserved British steam locomotive.

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