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São Paulo Railway I 60 to 69
Brazil | 1909
10 produced
Locomotive Magazine, December 1909

The British-controlled São Paulo Railway procured ten Consolidation freight locomotives in 1909, designed by chief engineer Charles H. Fox and manufactured by the North British Locomotive Company in Glasgow. Originally, they had got non-continuous numbers between 6 and 91. Later they were renumbered I 60 to I 69.

The tracks, which were very good by South American standards, allowed a heavy locomotive with an axle load of 16 and a half tons. Thus, a generously dimensioned boiler with Belpaire firebox is evident at the first glance. A Schmidt-type superheater was used, which was not standard on British locomotives at the time. Likewise, they had a steam reverser and there were special bypass valves between the cylinders, which reduced the back pressure when coasting with the regulator closed.

General
Built1909
ManufacturerNorth British
Axle config2-8-0 (Consolidation) 
Gauge5 ft 6 in (Indian broad gauge)
Dimensions and Weights
Wheelbase24 ft
Rigid wheelbase16 ft 3 in
Total wheelbase47 ft 5 in
Service weight167,331 lbs
Adhesive weight148,150 lbs
Total weight246,697 lbs
Axle load37,038 lbs
Water capacity3,603 us gal
Fuel capacity8,960 lbs (coal)
Boiler
Grate area28.5 sq ft
Firebox area154 sq ft
Tube heating area1,410 sq ft
Evaporative heating area1,564 sq ft
Superheater area373.5 sq ft
Total heating area1,937.5 sq ft
Power Plant
Driver diameter54 in
Boiler pressure205 psi
Expansion typesimple
Cylinderstwo, 21 1/2 x 26 in
Power
Power sourcesteam
Estimated power1,150 hp (858 kW)
Optimal speed19 mph
Starting effort38,782 lbf
Calculated Values
steam locomotive
freight
Charles H. Fox
last changed: 06/2022
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