FC Oeste de Buenos Aires 4-4-0 Locomotives in Argentina


Class Details by Steve Llanso of Sweat House Media

Class 10 (Locobase 3729)

Data provided by Carlos Alberto Fern+ndez Priotti in Bryan Attewell ([] Steam Locomotive simulator program (April 2000) and from Baldwin Locomotive Works Specification for Engines, as digitized by the DeGolyer Library of Southern Methodist University, Volume 20, p. 128. Works numbers were 14855-14856


Class 12 (Locobase 3730)

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

Compare to the Baldwins delivered to the FCO 5 years earlier, which were probably built for the same service.

Principal Dimensions by Steve Llanso of Middle Run Media

Class1012
Locobase ID3729 3730
RailroadFC Oeste de Buenos AiresFC Oeste de Buenos Aires
CountryArgentinaArgentina
Whyte4-4-04-4-0
Number in Class22
Road Numbers10-1112-13
Gauge5'6"5'6"
Number Built22
BuilderBurnham, Williams & CoSharp, Stewart
Year18971902
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.58 / 2.62
Engine Wheelbase (ft / m)21.75 / 6.63
Ratio of driving wheelbase to overall engine wheelbase 0.39
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)65,072 / 29,51668,096 / 30,888
Engine Weight (lbs / kg)
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)2497 / 9.463000 / 11.36
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)3 / 34 / 4
Minimum weight of rail (calculated) (lb/yd / kg/m)54 / 2757 / 28.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)71.70 / 182172 / 1829
Boiler Pressure (psi / kPa)162.40 / 11.20168.20 / 11.60
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x61018" x 24" / 457x610
Tractive Effort (lbs / kg)14,971 / 6790.7415,441 / 7003.93
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.35 4.41
Heating Ability
Tubes (number - dia) (in / mm)244 - 1.875" / 48
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.50 / 3.2011 / 3.35
Firebox Area (sq ft / m2)82.40 / 7.66
Grate Area (sq ft / m2)21.50 / 222.70 / 2.11
Evaporative Heating Surface (sq ft / m2)1340 / 124.541281 / 119.05
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1340 / 124.541281 / 119.05
Evaporative Heating Surface/Cylinder Volume189.57181.22
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation34923818
Same as above plus superheater percentage34923818
Same as above but substitute firebox area for grate area13,382
Power L14810
Power MT325.92

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