Data provided by Carlos Alberto Fern+ndez Priotti in Bryan Attewell ([] Steam Locomotive simulator program (April 2000).
The balanced arrangement and relatively high drivers show that this design was intended for two-way passenger traffic out of Buenos Aires.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 7 |
| Locobase ID | 3732 |
| Railroad | FC Oeste de Buenos Aires |
| Country | Argentina |
| Whyte | 4-4-4T |
| Number in Class | 6 |
| Road Numbers | 135-140 |
| Gauge | 5'6" |
| Number Built | 6 |
| Builder | Beyer, Peacock |
| Year | 1889 |
| 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) | 61,152 / 27,738 |
| Engine Weight (lbs / kg) | |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1200 / 4.55 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.70 / 2 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 51 / 25.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 71.70 / 1821 |
| Boiler Pressure (psi / kPa) | 162.40 / 1120 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 |
| Tractive Effort (lbs / kg) | 13,353 / 6056.83 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.58 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.59 / 3.23 |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 25.40 / 2.36 |
| Evaporative Heating Surface (sq ft / m2) | 1234 / 114.68 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1234 / 114.68 |
| Evaporative Heating Surface/Cylinder Volume | 195.72 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4125 |
| Same as above plus superheater percentage | 4125 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |