Data from "Some Foreign Compounds", Railroad & Locomotive Engineering, Volume 8, Number 1 (January 1895), p. 29.
Data from A Gonzalez, "Four-wheels Coupled Bogie Compound (Worsdell- vonBorries-Lapage System) Engine for the Argentine Republic Government Railways", Railway Engineer, Volume XII [12], No. 1 (January 1891), pp. 1-2.
This set of 54" four-coupled passenger locomotives was part of a larger order that included 27 more compound goods engines. The
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | unknown | unknown |
| Locobase ID | 12735 | 20474 |
| Railroad | ||
| Country | Argentina | Argentina |
| Whyte | 4-4-0 | 4-4-0 |
| Number in Class | 1 | 11 |
| Road Numbers | ||
| Gauge | 5'6" | Metre |
| Number Built | 1 | 11 |
| Builder | Neilson & Co | Sharp, Stewart |
| Year | 1894 | 1890 |
| Valve Gear | Stephenson | Stephenson |
| 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) | 49,280 / 22,353 | 48,500 / 21,999 |
| Engine Weight (lbs / kg) | 83,000 / 37,648 | 58,400 / 26,490 |
| Tender Loaded Weight (lbs / kg) | ||
| Total Engine and Tender Weight (lbs / kg) | ||
| Tender Water Capacity (gals / ML) | 2112 / 8 | 2520 / 9.55 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | ||
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 41 / 20.50 | 40 / 20 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 54 / 1372 | 54 / 1372 |
| Boiler Pressure (psi / kPa) | 160 / 1100 | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 22" / 381x559 (1) | 15" x 22" / 381x559 (1) |
| Low Pressure Cylinders (dia x stroke) (in / mm) | 21.5" x 22" / 546x559 (1) | 21.5" x 22" / 546x559 (1) |
| Tractive Effort (lbs / kg) | 8385 / 3803.38 | 8385 / 3803.38 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.88 | 5.78 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 160 - 2" / 51 | |
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | 10 / 3.05 | |
| Firebox Area (sq ft / m2) | 76 / 7.06 | |
| Grate Area (sq ft / m2) | 14 / 1.30 | |
| Evaporative Heating Surface (sq ft / m2) | 818 / 76.02 | |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 818 / 76.02 | |
| Evaporative Heating Surface/Cylinder Volume | 363.58 | |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 2240 | |
| Same as above plus superheater percentage | 2240 | |
| Same as above but substitute firebox area for grate area | 12,160 | |
| Power L1 | 3732 | |
| Power MT | 333.91 | |