Tramway Rural a Vapor 2-4-2 Locomotives in Argentina


Class Details by Steve Llanso of Sweat House Media

Class Isidoro (Locobase 20293)

Data from "Double End Saddle Tank Locomotive", Railroad Gazette, Volume 21 (14 June 1889), p. 386. Works numbers were 1011-1014 in January 1889, 1015-1016 in March.

These little suburban tanks had the following names: Isidoro (or Intripda), Fe, Providencia, Invincible, Indefatigable, and Perseverance. The railway would later grow into the Buenos Central Railway.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassIsidoro
Locobase ID20293
RailroadTramway Rural a Vapor
CountryArgentina
Whyte2-4-2T
Number in Class6
Road Numbers1-6
GaugeStd
Number Built6
BuilderPorter
Year1889
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.75 / 1.75
Engine Wheelbase (ft / m)15.75 / 4.80
Ratio of driving wheelbase to overall engine wheelbase 0.37
Overall Wheelbase (engine & tender) (ft / m)15.75 / 4.80
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)21,500 / 9752
Engine Weight (lbs / kg)32,000 / 14,515
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)32,000 / 14,515
Tender Water Capacity (gals / ML)400 / 2.65
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)18 / 9
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)36 / 914
Boiler Pressure (psi / kPa)130 / 900
High Pressure Cylinders (dia x stroke) (in / mm)9" x 16" / 229x406
Tractive Effort (lbs / kg)3978 / 1804.39
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.40
Heating Ability
Tubes (number - dia) (in / mm)86 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 6.25 / 1.90
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2) 7.88
Evaporative Heating Surface (sq ft / m2)
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)
Evaporative Heating Surface/Cylinder Volume
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1024
Same as above plus superheater percentage1024
Same as above but substitute firebox area for grate area
Power L1
Power MT

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