Usina Dumont de Assucar e Alcool 0-4-2 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 13662)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 34, p. 365. Works number was 34456 in April 1910.

Principal Dimensions by Steve Llanso of Sweat House Media

Class1
Locobase ID13662
RailroadUsina Dumont de Assucar e Alcool
CountryBrazil
Whyte0-4-2T
Number in Class1
Road Numbers1
GaugeMetre
Number Built1
BuilderBaldwin
Year1910
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.67 / 1.73
Engine Wheelbase (ft / m)13.25 / 4.04
Ratio of driving wheelbase to overall engine wheelbase 0.43
Overall Wheelbase (engine & tender) (ft / m)13.25 / 4.04
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)42,000 / 19,051
Engine Weight (lbs / kg)47,000 / 21,319
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)47,000 / 21,319
Tender Water Capacity (gals / ML)700 / 2.65
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)35 / 17.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 940
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)12" x 18" / 305x457
Tractive Effort (lbs / kg)10,718 / 4861.61
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.92
Heating Ability
Tubes (number - dia) (in / mm)78 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 9.50 / 2.90
Firebox Area (sq ft / m2)56 / 5.20
Grate Area (sq ft / m2)8 / 0.74
Evaporative Heating Surface (sq ft / m2)392 / 36.42
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)392 / 36.42
Evaporative Heating Surface/Cylinder Volume166.37
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1440
Same as above plus superheater percentage1440
Same as above but substitute firebox area for grate area10,080
Power L13166
Power MT332.37

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