The reference for locomotives and railcars
London & North Western class 3020 “Cornwall”
Great Britain | 1847 | only one produced
Original version from 1847 with a low boiler
Original version from 1847 with a low boiler
“Cornwall” after the rebuilding of 1858
“Cornwall” after the rebuilding of 1858
Stadtarchiv Maynz / BPSF/9850 A
Axle config2-2-2 (Jenny Lind) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase14 ft 10 in
Fixed wheelbase14 ft 10 in
Service weight63,392 lbs
Adhesive weight28,000 lbs
Axle load28,000 lbs
Water capacity2,162 us gal
Fuel capacitycoal
Power sourcesteam
Estimated power200 hp (149 kW)
Optimal speed15 mph
Top speed70 mph
Starting effort8,332 lbf
Power Plant
Driver diameter102 in
Boiler pressure140 psi
Expansion typesimple
Cylinderstwo, 17 1/4 x 24 in
Grate area15 sq ft
Firebox area51 sq ft
Tube heating area1,017 sq ft
Evaporative heating area1,068 sq ft
Total heating area1,068 sq ft
Calculated Values
steam locomotive
last changed: 10 2023

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