Centro-Oeste de Bahia 4-6-0 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class Integridade (Locobase 13077)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 30, p. 163. Works number was 29898 in January 1907.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassIntegridade
Locobase ID13077
RailroadCentro-Oeste de Bahia
CountryBrazil
Whyte4-6-0
Number in Class1
Road Numbers3
GaugeMetre
Number Built1
BuilderBurnham, Williams & Co
Year1907
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)12.58 / 3.83
Engine Wheelbase (ft / m)21.83 / 6.65
Ratio of driving wheelbase to overall engine wheelbase 0.58
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)48,000 / 21,772
Engine Weight (lbs / kg)70,000 / 31,752
Tender Loaded Weight (lbs / kg)32,000 / 14,515
Total Engine and Tender Weight (lbs / kg)102,000 / 46,267
Tender Water Capacity (gals / ML)1600 / 6.06
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)27 / 13.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)44 / 1118
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)15" x 18" / 381x457
Tractive Effort (lbs / kg)12,518 / 5678.08
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.83
Heating Ability
Tubes (number - dia) (in / mm)151 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.92 / 3.33
Firebox Area (sq ft / m2)65 / 6.04
Grate Area (sq ft / m2)11.90 / 1.11
Evaporative Heating Surface (sq ft / m2)928 / 86.25
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)928 / 86.25
Evaporative Heating Surface/Cylinder Volume252.07
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1904
Same as above plus superheater percentage1904
Same as above but substitute firebox area for grate area10,400
Power L13993
Power MT550.19

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