GWR 3600 Class

GWR 3600 class
Type and origin
Power type Steam
Designer William Dean
Builder Swindon Works
Order number Lots 130, 134, 143
Build date 1900–1903
Total produced 31
Specifications
Configuration 2-4-2T
UIC class 1′B1′
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Leading dia. 3 ft 8 in (1.118 m)
Driver dia. 5 ft 2 in (1.575 m)
Trailing dia. 3 ft 8 in (1.118 m)
Fuel type Coal
Fuel capacity 3 long tons (3.0 t; 3.4 short tons)
Water cap 1,900 imp gal (8,600 l; 2,300 US gal)
Boiler pressure 200 lbf/in2 (1.38 MPa)
Cylinders Two, inside
Cylinder size 17 in × 24 in (432 mm × 610 mm)
Performance figures
Tractive effort 19,020 lbf (84.61 kN)
Career
Operators Great Western Railway
Withdrawn October 1930 – November 1934
Disposition All scrapped

The Great Western Railway (GWR) 3600 Class was a class of 2-4-2T side tank steam locomotive, designed by William Dean and built at Swindon in three lots in 1900-1903:

Construction

History

Dean had built an experimental 2-4-2T numbered 11, whose success led to the cancellation of another batch of 2-4-0 "Metro" Tanks and the construction of the 3600s in their place. The new 2-4-2Ts had 5 ft 2 in (1.575 m) coupled wheels and 17 in × 24 in (432 mm × 610 mm) cylinders. The second batch were slightly longer than the prototype, resulting in greater tank capacity, and the third lot, delivered under Churchward, were slightly larger again, and had taper boilers. The class gained the nickname "Birdcage" due to their (for the GWR) unusually spacious cabs.

Use

The 3600 class were fitted with steam reversing gear, steam brakes, and two steam-operated water pick-ups for forward and reverse working. This reflects their intended work as fast suburban engines. About half were employed on such duties in the Birmingham area. The rest worked in the London area, though later a few worked Chester-Birkenhead trains, and some were allocated to South Wales sheds. They were essentially passenger train locomotives, and were eventually superseded by Collett's 2-6-2Ts. All were withdrawn and scrapped between 1930 and 1934.[1]

References

  1. Tabor 1959, pp. F38-F41.

Sources

External links


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