Data provided by Carlos Alberto Fern+ndez Priotti in Bryan Attewell ([] Steam Locomotive simulator program (April 2000). See also Charles Wellington Furlong, "South America's First Transcontinental", The World's Work, Volume XX [20] (Garden City, NY: Doubleday, Page & Co, 1910), pp. 13535-13554. Works numbers were 4229-4230 in 1902.
These two small Prairie tanks faced a mountain of challenges when they arrived on the Transandino. They were rated for "mixto" by the Trasandino, as close to passenger engines as the railway's demanding profile would allow.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 11 |
| Locobase ID | 3748 |
| Railroad | Transandine Railway |
| Country | Argentina |
| Whyte | 2-6-2T |
| Number in Class | 2 |
| Road Numbers | 11-12 |
| Gauge | Metre |
| Number Built | 2 |
| Builder | Dubs & Co |
| Year | 1902 |
| 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) | 65,744 / 29,821 |
| Engine Weight (lbs / kg) | |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1100 / 4.17 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.90 / 2 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 37 / 18.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 39 / 991 |
| Boiler Pressure (psi / kPa) | 178.40 / 1230 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14.5" x 20" / 368x508 |
| Tractive Effort (lbs / kg) | 16,350 / 7416.24 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.02 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.67 / 2.64 |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 12.30 / 1.14 |
| Evaporative Heating Surface (sq ft / m2) | 639 / 59.39 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 639 / 59.39 |
| Evaporative Heating Surface/Cylinder Volume | 167.17 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2194 |
| Same as above plus superheater percentage | 2194 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |