Bahia Blanca al Noroeste 4-4-0 Locomotives in Argentina


Class Details by Steve Llanso of Sweat House Media

Class 1-12 (Locobase 3667)

Data provided by Carlos Alberto Fern+ndez Priotti in Bryan Attewell ([] Steam Locomotive simulator program (April 2000).

Principal Dimensions by Steve Llanso of Sweat House Media

Class1-12
Locobase ID3667
RailroadBahia Blanca al Noroeste (FCBBNO)
CountryArgentina
Whyte4-4-0
Number in Class12
Road Numbers1-12
Gauge5'6"
Number Built12
BuilderDubs & Co
Year1890
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)49,728 / 22,556
Engine Weight (lbs / kg)
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)2120 / 8.03
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 4.60 / 4
Minimum weight of rail (calculated) (lb/yd / kg/m)41 / 20.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)70 / 1778
Boiler Pressure (psi / kPa)165.30 / 11.40
High Pressure Cylinders (dia x stroke) (in / mm)16" x 24" / 406x610
Tractive Effort (lbs / kg)12,332 / 5593.71
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.03
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)11.25 / 3.43
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)14.80 / 1.38
Evaporative Heating Surface (sq ft / m2)982 / 91.26
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)982 / 91.26
Evaporative Heating Surface/Cylinder Volume175.83
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2446
Same as above plus superheater percentage2446
Same as above but substitute firebox area for grate area
Power L1
Power MT

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