Norte 2-8-0 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class Itaboca (Locobase 13660)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 31, p 156. Works number was 34786 in June 1910.

The specs noted that the minimum radius was 110 metres (361 ft) or 10 1/4 degrees.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassItaboca
Locobase ID13660
RailroadNorte
CountryBrazil
Whyte2-8-0
Number in Class1
Road Numbers3
GaugeMetre
Number Built1
BuilderBaldwin
Year1910
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)11.75 / 3.58
Engine Wheelbase (ft / m)18.58 / 5.66
Ratio of driving wheelbase to overall engine wheelbase 0.63
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)64,000 / 29,030
Engine Weight (lbs / kg)73,000 / 33,112
Tender Loaded Weight (lbs / kg)50,500 / 22,906
Total Engine and Tender Weight (lbs / kg)123,500 / 56,018
Tender Water Capacity (gals / ML)2500 / 9.47
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)38 / 965
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)15" x 20" / 381x508
Tractive Effort (lbs / kg)16,105 / 7305.11
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.97
Heating Ability
Tubes (number - dia) (in / mm)150 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)11.54 / 3.52
Firebox Area (sq ft / m2)81 / 7.53
Grate Area (sq ft / m2)15.40 / 1.43
Evaporative Heating Surface (sq ft / m2)979 / 90.95
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)979 / 90.95
Evaporative Heating Surface/Cylinder Volume239.33
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2464
Same as above plus superheater percentage2464
Same as above but substitute firebox area for grate area12,960
Power L13428
Power MT472.34

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