Data from Robert Stirling, "The Tocapilla Railway" (Paper 3198), Minutes of Proceedings of the Institution of Civil Engineers, Volume 142 (3 April 1900) pp. 89-102 in Table II, p. 93. See also Martin Coombs, Chilean steam locomotive list, Part 2, Standard, 4' 6", 4' 2" and 3' 6" locos, 2018, p. 89 downloaded from [], last accessed 8 April 2022. Works numbers were 1107 in 1888 and 1126 in 1889.
These were small shunters.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 6 |
| Locobase ID | 21019 |
| Railroad | Anglo-Chilean Nitrate (Tocopilla al Toco Ry) |
| Country | Chile |
| Whyte | 0-4-0ST |
| Number in Class | 2 |
| Road Numbers | 6-7 |
| Gauge | 3'6" |
| Number Built | 2 |
| Builder | Manning Wardle |
| Year | 1888 |
| 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) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 35,840 / 16,257 |
| Engine Weight (lbs / kg) | 35,840 / 16,257 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 420 / 1.59 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.40 / 0.40 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 30 / 15 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 32.75 / 832 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 10.5" x 16" / 267x406 |
| Tractive Effort (lbs / kg) | 7325 / 3322.57 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.89 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 64 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.37 / 2.55 |
| Firebox Area (sq ft / m2) | 31.90 / 2.96 |
| Grate Area (sq ft / m2) | 5 / 0.46 |
| Evaporative Heating Surface (sq ft / m2) | 303 / 28.15 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 303 / 28.15 |
| Evaporative Heating Surface/Cylinder Volume | 188.96 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 800 |
| Same as above plus superheater percentage | 800 |
| Same as above but substitute firebox area for grate area | 5104 |
| Power L1 | 2519 |
| Power MT | 309.90 |