Data from DeGolyer Library, p. 129. Works numbers were 19956-19957 in December 1901.
In addition to the 20" x 24" Consolidations purchased at the same time (Locobase 10778), the Chilean State ordered this pair of smaller 2-8-0s for the Coquimba, an even more lightly built railway.
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | 283 |
Locobase ID | 12583 |
Railroad | Coquimba |
Country | Chile |
Whyte | 2-8-0 |
Number in Class | 2 |
Road Numbers | 283-284 |
Gauge | 5'6" |
Number Built | 2 |
Builder | Burnham, Williams & Co |
Year | 1901 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 13.50 / 4.11 |
Engine Wheelbase (ft / m) | 20.67 / 6.30 |
Ratio of driving wheelbase to overall engine wheelbase | 0.65 |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 90,000 / 40,823 |
Engine Weight (lbs / kg) | 106,000 / 48,081 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 3600 / 13.64 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 38 / 19 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 48 / 1219 |
Boiler Pressure (psi / kPa) | 180 / 1240 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18" x 24" / 457x610 |
Tractive Effort (lbs / kg) | 24,786 / 11242.75 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.63 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 173 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 12.69 / 3.87 |
Firebox Area (sq ft / m2) | 104.20 / 9.68 |
Grate Area (sq ft / m2) | 20.40 / 1.90 |
Evaporative Heating Surface (sq ft / m2) | 1240 / 115.24 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1240 / 115.24 |
Evaporative Heating Surface/Cylinder Volume | 175.42 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 3672 |
Same as above plus superheater percentage | 3672 |
Same as above but substitute firebox area for grate area | 18,756 |
Power L1 | 3587 |
Power MT | 351.47 |