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London & North Western class B “Swami”
Great Britain | 1901 | 170 produced
No. 1881
No. 1881
General
Built1901-1904
ManufacturerCrewe
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase17 ft 3 in
Fixed wheelbase17 ft 3 in
Service weight120,960 lbs
Adhesive weight120,960 lbs
Axle load38,528 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power900 hp (671 kW)
Optimal speed23 mph
Starting effort24,494 lbf
with start valve29,393 lbf
Power Plant
Driver diameter53 in
Boiler pressure200 psi
Expansion typecompound
Cylindersfour, HP: 16 x 24 in
and LP: 20 1/2 x 24 in
Boiler
Grate area20.8 sq ft
Firebox area123 sq ft
Tube heating area1,630 sq ft
Evaporative heating area1,753 sq ft
Total heating area1,753 sq ft
Calculated Values
steam locomotive
freight
Webb compound
last changed: 09 2023
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