Usina Capimirim 2-4-2 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class Isabel (Locobase 13964)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 44, p. 84 and 90. Works numbers were 33372 in April 1909 and 37173 in November 1911.

Baldwin supplied this double-ended saddle-tank design to several sugar-processing companies in Brazil at the time. Most were ordered by F Benn & Son. The Usina Capimirim's second engine was named Fernando-Octavio.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassIsabel
Locobase ID13964
RailroadUsina Capimirim
CountryBrazil
Whyte2-4-2ST
Number in Class2
Road Numbers
GaugeMetre
Number Built2
BuilderBurnham, Williams & Co
Year1909
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.67 / 1.73
Engine Wheelbase (ft / m)20 / 6.10
Ratio of driving wheelbase to overall engine wheelbase 0.28
Overall Wheelbase (engine & tender) (ft / m)20 / 6.10
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)39,000 / 17,690
Engine Weight (lbs / kg)57,500 / 26,082
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)725 / 3.22
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)33 / 16.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 1067
Boiler Pressure (psi / kPa)160 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)12" x 18" / 305x457
Tractive Effort (lbs / kg)8393 / 3807.01
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.65
Heating Ability
Tubes (number - dia) (in / mm)91 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 8.96 / 2.73
Firebox Area (sq ft / m2)55.30 / 5.14
Grate Area (sq ft / m2) 8.40 / 0.78
Evaporative Heating Surface (sq ft / m2)425 / 39.48
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)425 / 39.48
Evaporative Heating Surface/Cylinder Volume180.38
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1344
Same as above plus superheater percentage1344
Same as above but substitute firebox area for grate area8848
Power L13335
Power MT377.05

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