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Great Western Railway class 1000 “County”
Great Britain | 1945 | 30 produced
No. 1000 “County of Middlesex” in August 1958 at Bristol Depot
No. 1000 “County of Middlesex” in August 1958 at Bristol Depot
Ben Brooksbank / First Hawksworth „County” 4-6-0 at Bristol Bath Road Depot

The County class of the GWR was developed by Hawksworth during World War II and was intended for mixed service. It was the last of a series of ten-wheelers begun by Churchward in 1902 with the Saint class. It included some innovations such as 280 psi boiler pressure and dual chimneys. However, the pressure was later reduced to 250 psi to save on maintenance costs, and later examples had single chimneys. Special optical features for GWR locomotives were the continuous splashers over all coupled axles and straight nameplates.

After two batches and 30 locomotives, production was discontinued as the staff evidently preferred the locomotives from Hawksworth's predecessor, Collett, and there was no need for more. The County class was retired between 1962 and 1964. Although not a single locomotive has survived, number 1014 “County of Glamorgan” is currently being built new.

Variantas builtreduced boiler pressure
General
Built1945-1947
ManufacturerSwindon
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length63 ft 0 5/16 in
Wheelbase27 ft 3 in
Fixed wheelbase14 ft 9 in
Service weight172,144 lbs
Adhesive weight132,384 lbs
Total weight281,904 lbs
Axle load44,128 lbs
Water capacity4,804 us gal
Fuel capacity15,680 lbs (coal)
Power
Power sourcesteam
Estimated power2,300 hp (1,715 kW)2,150 hp (1,603 kW)
Optimal speed45 mph47 mph
Starting effort32,582 lbf29,091 lbf
Power Plant
Driver diameter75 in
Boiler pressure280 psi250 psi
Expansion typesimple
Cylinderstwo, 18 1/2 x 30 in
Boiler
Grate area28.8 sq ft
Firebox area169 sq ft
Tube heating area1,545 sq ft
Evaporative heating area1,714 sq ft
Superheater area254 sq ft
Total heating area1,968 sq ft
Calculated Values
steam locomotive
passenger
freight
Frederick William Hawksworth
last changed: 09/2023
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