Sul do Pernambuco 0-4-4 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class 146 (Locobase 12175)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 20 p. 29. Works number was 14523 in November 1895.

Principal Dimensions by Steve Llanso of Middle Run Media
Class146
Locobase ID12175
RailroadSul do Pernambuco
CountryBrazil
Whyte0-4-4T
Number in Class1
Road Numbers146
GaugeMetre
Number Built1
BuilderBurnham, Williams & Co
Year1895
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.50 / 1.68
Engine Wheelbase (ft / m)18.50 / 5.64
Ratio of driving wheelbase to overall engine wheelbase 0.30
Overall Wheelbase (engine & tender) (ft / m)18.50 / 5.64
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)36,000 / 16,329
Engine Weight (lbs / kg)51,000 / 23,133
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)51,000 / 23,133
Tender Water Capacity (gals / ML)800 / 3.03
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)30 / 15
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)40 / 1016
Boiler Pressure (psi / kPa)150 / 1030
High Pressure Cylinders (dia x stroke) (in / mm)13" x 18" / 330x457
Tractive Effort (lbs / kg)9696 / 4398.04
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.71
Heating Ability
Tubes (number - dia) (in / mm)62 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)9 / 2.74
Firebox Area (sq ft / m2)60.89 / 5.66
Grate Area (sq ft / m2) 8.90 / 0.83
Evaporative Heating Surface (sq ft / m2)448 / 41.64
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)448 / 41.64
Evaporative Heating Surface/Cylinder Volume162.01
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1335
Same as above plus superheater percentage1335
Same as above but substitute firebox area for grate area9134
Power L12721
Power MT333.27

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