Data from DeGolyer, Volume 32, p. 250. See also Frederic M Halsey, Investments in Latin America and the British West Indies, Special Agents Series - No 169, United States Department of Commerce (Washington, DC: Government Printing Office,1918), p. 332. Works number was 32845 in July 1908.
The I a M encountered all the turmoil of the 19th Century in Peru. When it was completed in 1873, it linked the port of Ilo in Peru's far south on a 62-mile (100-km) line with the capital of Moquegua Department (also named Moquegua). The department's exports were wine, grapes, olives, figs, brandies, and other products. But the Chilean War of 1879-1883 forced its abandonment for more than 30 years.
Reopened in 1907 by the Peruvian Corporation under a 30-year lease, the railway began restocking and turned to Baldwin for this six-wheeler. The line's profile included rulling grades of 4 1/4%, 30 km (18.6 miles) of 3-4% grades, and curves mostly of 320-ft radii, but which included two of 280 feet.
The government, which actually rebuilt the line in 1909, took over the I-M at the end of 1915 and the 3 was taken onto the Tacna & Arica motive power roster as 3A.
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | Pacocha |
Locobase ID | 13472 |
Railroad | Ilo a Moquegua |
Country | Peru |
Whyte | 2-4-0 |
Number in Class | 1 |
Road Numbers | 3 |
Gauge | Std |
Number Built | 1 |
Builder | Burnham, Williams & Co |
Year | 1908 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 7.33 / 2.23 |
Engine Wheelbase (ft / m) | 14.67 / 4.47 |
Ratio of driving wheelbase to overall engine wheelbase | 0.50 |
Overall Wheelbase (engine & tender) (ft / m) | 35.87 / 10.93 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 42,000 / 19,051 |
Engine Weight (lbs / kg) | 50,000 / 22,680 |
Tender Loaded Weight (lbs / kg) | 32,000 / 14,515 |
Total Engine and Tender Weight (lbs / kg) | 82,000 / 37,195 |
Tender Water Capacity (gals / ML) | 1600 / 6.06 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 4.40 / 4 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 35 / 17.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 44 / 1118 |
Boiler Pressure (psi / kPa) | 160 / 1100 |
High Pressure Cylinders (dia x stroke) (in / mm) | 13" x 20" / 330x508 |
Tractive Effort (lbs / kg) | 10,447 / 4738.69 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.02 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 130 - 1.75" / 44 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 8.58 / 2.62 |
Firebox Area (sq ft / m2) | 61 / 5.67 |
Grate Area (sq ft / m2) | 13.80 / 1.28 |
Evaporative Heating Surface (sq ft / m2) | 567 / 52.68 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 567 / 52.68 |
Evaporative Heating Surface/Cylinder Volume | 184.54 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2208 |
Same as above plus superheater percentage | 2208 |
Same as above but substitute firebox area for grate area | 9760 |
Power L1 | 3330 |
Power MT | 349.59 |