GWR 7200 Class

Specifications
Specifications
Configuration:;
• Whyte	2-8-2T
• UIC	1′D1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	4 ft 7+1⁄2 in (1.410 m)
Trailing dia.	3 ft 8 in (1.12 m)
Length	44 ft 10 in (13.67 m)
Width	8 ft 11 in (2.72 m)
Height	12 ft 10+1⁄16 in (3.91 m)
Loco weight	92 long tons 12 cwt (207,400 lb or 94.1 t) (103.7 short tons)
Fuel type	Coal
Fuel capacity	Standard bunker: 6 long tons (6.1 t; 6.7 short tons); ‘Coal Scuttle’ bunker: 5 long tons (5.6 short tons; 5.1 t);
Water cap.	Standard bunker: 2,400 imp gal (11,000 L; 2,900 US gal); ‘Coal Scuttle’ bunker: 2,700 imp gal (12,000 L; 3,200 US gal);
Firebox:
• Grate area	20.56 sq ft (1.910 m2)
Boiler	GWR Standard No. 4
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	128.72 sq ft (11.958 m2)
• Tubes and flues	1,349.64 sq ft (125.386 m2)
Superheater:;
• Heating area	191.79 sq ft (17.818 m2)
Cylinders	Two, outside
Cylinder size	19 in × 30 in (483 mm × 762 mm)
Valve gear	Stephenson
Valve type	Piston valves

Type and origin
Type and origin
Power type	Steam
Designer	Charles Collett (rebuild)
Order number	Lot 318 (7240–7254)
Rebuilder	GWR Swindon Works
Rebuild date	July 1934–December 1939
Number rebuilt	54

GWR 7200 Class
GWR 7200 Class
	7248 is a converted 42xx class No. 4249, rebuilt with a 5205 front end. 7248 is seen here fitted with the 'Coal Scuttle' Bunker.
Power type
Type and origin
Power type	Steam
Designer	Charles Collett (rebuild)
Order number	Lot 318 (7240–7254)
Rebuilder	GWR Swindon Works
Rebuild date	July 1934–December 1939
Number rebuilt	54
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-2T
• UIC	1′D1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	4 ft 7+1⁄2 in (1.410 m)
Trailing dia.	3 ft 8 in (1.12 m)
Length	44 ft 10 in (13.67 m)
Width	8 ft 11 in (2.72 m)
Height	12 ft 10+1⁄16 in (3.91 m)
Loco weight	92 long tons 12 cwt (207,400 lb or 94.1 t) (103.7 short tons)
Fuel type	Coal
Fuel capacity	Standard bunker: 6 long tons (6.1 t; 6.7 short tons); ‘Coal Scuttle’ bunker: 5 long tons (5.6 short tons; 5.1 t);
Water cap.	Standard bunker: 2,400 imp gal (11,000 L; 2,900 US gal); ‘Coal Scuttle’ bunker: 2,700 imp gal (12,000 L; 3,200 US gal);
Firebox:
• Grate area	20.56 sq ft (1.910 m2)
Boiler	GWR Standard No. 4
Boiler pressure	200 lbf/in2 (1.38 MPa)
Heating surface:
• Firebox	128.72 sq ft (11.958 m2)
• Tubes and flues	1,349.64 sq ft (125.386 m2)
Superheater:;
• Heating area	191.79 sq ft (17.818 m2)
Cylinders	Two, outside
Cylinder size	19 in × 30 in (483 mm × 762 mm)
Valve gear	Stephenson
Valve type	Piston valves
Tractive effort
Performance figures
Tractive effort	33,170 lbf (147.5 kN)
Operators
Career
Operators	GWR » BR
Class	7200
Power class	GWR: E; BR: 8F
Number in class	30
Axle load class	Red
Withdrawn	1962 – 1965
Disposition	Three under restoration, remainder scrapped

The Great Western Railway (GWR) 7200 Class is a class of 2-8-2T steam locomotive. They were the only 2-8-2Ts built and used by a British railway, and the largest tank engines to run on the Great Western Railway.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.