Melhoramentos de Brazil 2-6-0 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class 10 (Locobase 12112)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 19, p. 120 Works numbers were 14031 in June 1894.

Small Vauclain compound Mogul with 6 1/8" piston valves. Later Central do Brazil 100.

Principal Dimensions by Steve Llanso of Middle Run Media
Class10
Locobase ID12112
RailroadMelhoramentos de Brazil
CountryBrazil
Whyte2-6-0
Number in Class1
Road Numbers10 / 100
GaugeMetre
Number Built1
BuilderBurnham, Williams & Co
Year1894
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.50 / 2.59
Engine Wheelbase (ft / m)14.62 / 4.46
Ratio of driving wheelbase to overall engine wheelbase 0.58
Overall Wheelbase (engine & tender) (ft / m)14.62 / 4.46
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)29,000 / 13,154
Engine Weight (lbs / kg)35,000 / 15,876
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)1000 / 3.79
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)16 / 8
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)41 / 1041
Boiler Pressure (psi / kPa)180 / 1240
High Pressure Cylinders (dia x stroke) (in / mm)7.5" x 18" / 191x457
Low Pressure Cylinders (dia x stroke) (in / mm)13" x 18" / 330x457
Tractive Effort (lbs / kg)5670 / 2571.87
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.11
Heating Ability
Tubes (number - dia) (in / mm)76 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 8.08 / 2.46
Firebox Area (sq ft / m2)38 / 3.53
Grate Area (sq ft / m2) 9.50 / 0.88
Evaporative Heating Surface (sq ft / m2)317 / 29.46
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)317 / 29.46
Evaporative Heating Surface/Cylinder Volume344.42
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1710
Same as above plus superheater percentage1710
Same as above but substitute firebox area for grate area6840
Power L12255
Power MT514.28

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