Data from "New Locomotives, Antofagasta (Chili) and Bolivia Ry" The Locomotive Magazine, Vol XIV (15 October 1908), p.181-182
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 25 |
| Locobase ID | 10577 |
| Railroad | Antofagasta (Chile ) & Bolivia (FCAB) |
| Country | Chile |
| Whyte | 0-6-2T |
| Number in Class | 6 |
| Road Numbers | 25-30 |
| Gauge | 2'6" |
| Number Built | 6 |
| Builder | Hunslet Engine Co |
| Year | 1908 |
| Valve Gear | Walschaert |
| 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) | 42.08 / 12.83 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 70,762 / 32,097 |
| Engine Weight (lbs / kg) | 88,144 / 39,981 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1008 / 3.82 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.80 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 36 / 914 |
| Boiler Pressure (psi / kPa) | 170 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 18" / 381x457 |
| Tractive Effort (lbs / kg) | 16,256 / 7373.61 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.35 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 72 / 6.69 |
| Grate Area (sq ft / m2) | 15.10 / 1.40 |
| Evaporative Heating Surface (sq ft / m2) | 740 / 68.77 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 740 / 68.77 |
| Evaporative Heating Surface/Cylinder Volume | 201.00 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2567 |
| Same as above plus superheater percentage | 2567 |
| Same as above but substitute firebox area for grate area | 12,240 |
| Power L1 | 3048 |
| Power MT | 284.89 |