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French Western Railway No. 500
France | 1884 | only one produced

After the compound locomotives of the Webb type were apparently successful in Great Britain, the Ouest also ordered one locomotive for trials. Like the British locomotives, it had two small outer high-pressure cylinders driving the second driving axle and one large inner low-pressure cylinder driving the first driving axle. These two axles were not coupled to each other. The number 500 was rebuilt in the meantime, but was already retired in 1901.

General
Built1884
ManufacturerSharp, Stewart & Co.
Axle config2-2-2-0 (Webb Compound) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Fixed wheelbase8 ft 3 1/16 in
Service weight81,571 lbs
Adhesive weight57,541 lbs
Axle load29,542 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power469 hp (350 kW)
Optimal speed33 mph
Starting effort8,976 lbf
with start valve10,771 lbf
Power Plant
Driver diameter78 in
Boiler pressure152 psi
Expansion typecompound
Cylindersthree, HP: 13 x 24 in
and LP: 26 x 24 in
Boiler
Grate area16.8 sq ft
Firebox area100.1 sq ft
Tube heating area963.4 sq ft
Evaporative heating area1,063.5 sq ft
Total heating area1,063.5 sq ft
Calculated Values
steam locomotive
last changed: 04/2023
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