GWR Sharp, Roberts locomotives

Specifications
Specifications
Configuration:;
• Whyte	2-2-2; 2-2-2T (after rebuild)
Gauge	7 ft 1⁄4 in (2,140 mm)
Leading dia.	3 ft 6 in (1,067 mm)
Driver dia.	6 ft 0 in (1,829 mm)
Trailing dia.	3 ft 6 in (1,067 mm)
Wheelbase	13 ft 10 in (4.22 m)
Cylinder size	14 in × 15 in (356 mm × 381 mm); 14-by-18-inch (356 mm × 457 mm) or 15-by-18-inch (381 mm × 457 mm) (after rebuild)

Type and origin
Type and origin
Power type	Steam
Builder	Sharp, Roberts & Co.
Serial number	R, S, and T
Build date	1838
Total produced	3
Rebuild date	1844
Number rebuilt	2 (Atlas and Eagle)

GWR Lion, Atlas and Eagle
GWR Lion, Atlas and Eagle
Power type
Type and origin
Power type	Steam
Builder	Sharp, Roberts & Co.
Serial number	R, S, and T
Build date	1838
Total produced	3
Rebuild date	1844
Number rebuilt	2 (Atlas and Eagle)
Configuration:;
Specifications
Configuration:;
• Whyte	2-2-2; 2-2-2T (after rebuild)
Gauge	7 ft 1⁄4 in (2,140 mm)
Leading dia.	3 ft 6 in (1,067 mm)
Driver dia.	6 ft 0 in (1,829 mm)
Trailing dia.	3 ft 6 in (1,067 mm)
Wheelbase	13 ft 10 in (4.22 m)
Cylinder size	14 in × 15 in (356 mm × 381 mm); 14-by-18-inch (356 mm × 457 mm) or 15-by-18-inch (381 mm × 457 mm) (after rebuild)
Operators
Career
Operators	Great Western Railway
Number in class	3
Withdrawn	1847-1872
Disposition	Unknown, probably scrapped

The first 19 locomotives ordered by Isambard Kingdom Brunel for the Great Western Railway included three 2-2-2 Sharp, Roberts locomotives. They were built by Sharp, Roberts and Company and the most successful of the early designs, two lasting until the 1870s.

The original 14-by-15-inch (356 mm × 381 mm) cylinders were replaced from 1844 by larger 14-by-18-inch (356 mm × 457 mm) or 15-by-18-inch (381 mm × 457 mm) ones.

Locomotives

Lion (Sharp, Roberts R; 1838–1847)
Atlas (Sharp, Roberts S; 1838–1872)

This locomotive was rebuilt as a 2-2-2T tank locomotive in 1860. After it was withdrawn it was sold to a Mr Glasbrook in Swansea.

Eagle (Sharp, Roberts T; 1838–1871)

This locomotive was rebuilt as a 2-2-2T tank locomotive in 1860.

References

Reed, P. J. T. (February 1953). White, D. E. (ed.). The Locomotives of the Great Western Railway, Part 2: Broad Gauge. Kenilworth: RCTS. pp. B10 – B11. ISBN 0-901115-32-0. OCLC 650490992. {{cite book}}: ISBN / Date incompatibility (help)
Waters, Laurence (1999). The Great Western Broad Gauge. Hersham: Ian Allan Publishing. ISBN 0-7110-2634-3 – via Archive.org.