G&SWR 45 Class 2-2-2

The Glasgow and South Western Railway (GSWR) 45 class is a class of eleven 2-2-2 steam locomotives designed in 1865, an enlarged version of his 40 class intended for express passenger duties.

Not to be confused with G&SWR 45 Class 0-6-2T, designed by Peter Drummond.

G&SWR 45 Class
Type and origin
Power typeSteam
DesignerPatrick Stirling
BuilderKilmarnock Locomotive Works
Build date1865-1868
Total produced11
Specifications
Configuration:
​
 • Whyte2-2-2
Gauge4 ft 8+1⁄2 in (1,435 mm)
Leading dia.3 ft 7 in (1.09 m)
Driver dia.7 ft 0 in (2.13 m)
Trailing dia.3 ft 7 in (1.09 m)
Loco weight28 LT 9.75 cwt (63,812 lb; 28.945 t)
Fuel typeCoal
Boiler pressure125 psi (860 kPa)
Cylinderstwo, outside
Cylinder size16 in × 24 in (410 mm × 610 mm)
Career
Withdrawn1884-1887
DispositionAll scrapped

Development

Eleven examples of this final express passenger class designed by Patrick Stirling for the FSWR were built at Kilmarnock Locomotive Works at regular intervals between March 1865 and July 1868 (Works Nos. 32, 39-40, 43-4, 47-8, 50-53). They were numbered 45, 151-6, 84, 61, 16 & 79.[1] The members of the class were fitted with domeless boilers and safety valves over the firebox. The safety valves were later replaced by those of Ramsbottom design over the centre of the boiler following a boiler explosion at Springhill in 1876.[2] They were fitted with Stirling’s own design of cab and open fan-like splashers.[3]

Withdrawal

The class were withdrawn Hugh Smellie between 1884 and 1887.

References
  1. Baxter 1984, pp. 138–139.
  2. Baxter 1984, pp. 138–140.
  3. Baxter 1984, p. 139.
  • Baxter, Bertram (1984). Baxter, David (ed.). British locomotive catalogue 1825-1923, volume 4: Scottish and remaining English Companies in the LMS Group. Buxton: Moorland Publishing. ISBN 0-903485-53-2. OCLC 59913101. OL 25432141M.
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