GWR 1101 Class

Specifications
Specifications
Configuration:;
• Whyte	0-4-0T
• UIC	B n2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.	3 ft 9+1⁄2 in (1.156 m)
Wheelbase	6 ft 6 in (1.98 m)
Length	25 ft 5+1⁄2 in (7.76 m) over buffers
Width	8 ft 8 in (2.642 m)
Height	11 ft 10 in (3.607 m)
Axle load	19 long tons 8 cwt (43,500 lb or 19.7 t); (21.7 short tons) full
Loco weight	38 long tons 4 cwt (85,600 lb or 38.8 t); (42.8 short tons) full
Fuel type	Coal
Water cap.	1,000 imp gal (4,500 L; 1,200 US gal)
Firebox:
• Grate area	12.5 sq ft (1.16 m2)
Boiler pressure	170 lbf/in2 (1.17 MPa)
Heating surface:
• Firebox	76 sq ft (7.1 m2)
• Tubes	788 sq ft (73.2 m2)
• Total surface	864 sq ft (80.3 m2)
Cylinders	Two, outside
Cylinder size	16 in × 24 in (406 mm × 610 mm)

GWR 1101 Class
GWR 1101 Class
	No. 1105 at Danygraig Depot 1946
Power type
Type and origin
Power type	Steam
Designer	Charles Collett
Builder	Avonside Engine Company
Order number	GWR lot 246
Serial number	1987–1992
Build date	1926
Total produced	6
Configuration:;
Specifications
Configuration:;
• Whyte	0-4-0T
• UIC	B n2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.	3 ft 9+1⁄2 in (1.156 m)
Wheelbase	6 ft 6 in (1.98 m)
Length	25 ft 5+1⁄2 in (7.76 m) over buffers
Width	8 ft 8 in (2.642 m)
Height	11 ft 10 in (3.607 m)
Axle load	19 long tons 8 cwt (43,500 lb or 19.7 t); (21.7 short tons) full
Loco weight	38 long tons 4 cwt (85,600 lb or 38.8 t); (42.8 short tons) full
Fuel type	Coal
Water cap.	1,000 imp gal (4,500 L; 1,200 US gal)
Firebox:
• Grate area	12.5 sq ft (1.16 m2)
Boiler pressure	170 lbf/in2 (1.17 MPa)
Heating surface:
• Firebox	76 sq ft (7.1 m2)
• Tubes	788 sq ft (73.2 m2)
• Total surface	864 sq ft (80.3 m2)
Cylinders	Two, outside
Cylinder size	16 in × 24 in (406 mm × 610 mm)
Tractive effort
Performance figures
Tractive effort	19,510 lbf (86.8 kN)
Operators
Career
Operators	GWR » BR
Power class	GWR: B
Numbers	1101–1106
Axle load class	GWR: Red
Withdrawn	1959–1960
Disposition	All scrapped