LMS Ivatt Class 2 2-6-2T

Specifications
Specifications
Configuration:;
• Whyte	2-6-2T
• UIC	1′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 0 in (0.914 m)
Driver dia.	5 ft 0 in (1.524 m)
Trailing dia.	3 ft 0 in (0.914 m)
Wheelbase	30 ft 3 in (9.22 m)
Length	38 ft 9+1⁄2 in (11.82 m)
Loco weight	63.25 long tons (64.3 t; 70.8 short tons); 41290–41329: 65.20 long tons (66.2 t; 73.0 short tons)
Fuel type	Coal
Fuel capacity	3 long tons (3.05 t; 3.36 short tons)
Water cap.	1,350 imp gal (6,100 L; 1,620 US gal)
Firebox:
• Grate area	17.5 sq ft (1.63 m2)
Boiler	LMS type 7
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	101 sq ft (9.4 m2)
• Tubes and flues	924 sq ft (85.8 m2)
Superheater:;
• Heating area	134 sq ft (12.4 m2) or; 124 sq ft (11.5 m2)
Cylinders	Two, outside
Cylinder size	16 in × 26 in (406 mm × 660 mm)

Type and origin
Type and origin
Power type	Steam
Designer	H. G. Ivatt
Builder	LMS & BR Crewe Works; BR Derby Works;
Build date	1946–1952
Total produced	130

LMS Ivatt Class 2 2-6-2T
LMS Ivatt Class 2 2-6-2T
	41231 at Wellington Locomotive Depot in April 1960
Power type
Type and origin
Power type	Steam
Designer	H. G. Ivatt
Builder	LMS & BR Crewe Works; BR Derby Works;
Build date	1946–1952
Total produced	130
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-2T
• UIC	1′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 0 in (0.914 m)
Driver dia.	5 ft 0 in (1.524 m)
Trailing dia.	3 ft 0 in (0.914 m)
Wheelbase	30 ft 3 in (9.22 m)
Length	38 ft 9+1⁄2 in (11.82 m)
Loco weight	63.25 long tons (64.3 t; 70.8 short tons); 41290–41329: 65.20 long tons (66.2 t; 73.0 short tons)
Fuel type	Coal
Fuel capacity	3 long tons (3.05 t; 3.36 short tons)
Water cap.	1,350 imp gal (6,100 L; 1,620 US gal)
Firebox:
• Grate area	17.5 sq ft (1.63 m2)
Boiler	LMS type 7
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	101 sq ft (9.4 m2)
• Tubes and flues	924 sq ft (85.8 m2)
Superheater:;
• Heating area	134 sq ft (12.4 m2) or; 124 sq ft (11.5 m2)
Cylinders	Two, outside
Cylinder size	16 in × 26 in (406 mm × 660 mm)
Tractive effort
Performance figures
Tractive effort	17,400 lbf (77.40 kN)
Operators
Career
Operators	London, Midland and Scottish Railway; British Railways;
Power class	LMS: 2P; BR: 2MT; BR (SR): 2P/2FA;
Nicknames	Mickey Mouse Tanks
Axle load class	BR: Route Availability 1
Withdrawn	1962–1967
Disposition	Four preserved, remainder scrapped

The London, Midland and Scottish Railway (LMS) Ivatt Class 2 2-6-2T is a class of light 'mixed-traffic' steam locomotive introduced in 1946.

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