Standard Soapstone 2-4-2 "Columbian" Locomotives in the USA
Class Details by Steve Llanso of Sweat House Media
Class 5 (Locobase 12876)
Data from "Built for the Standard Soapstone Corporation," Tuesday, October 05, 2010. Image from ALCO Light Locomotive Parts and General Products Catalog No. 10057. Archived at American Locomotive Company Photos from the Joseph A. Smith Collection. [
], last accessed 15 July 2011.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 5 |
| Locobase ID | 12876 |
| Railroad | Standard Soapstone |
| Country | USA |
| Whyte | 2-4-2ST |
| Number in Class | 1 |
| Road Numbers | 5 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Alco-Schenectady |
| Year | 1928 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.25 / 1.90 |
| Engine Wheelbase (ft / m) | 20.33 / 6.20 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.31 |
| Overall Wheelbase (engine & tender) (ft / m) | 20.33 / 6.20 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 56,000 / 25,401 |
| Engine Weight (lbs / kg) | 76,000 / 34,473 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 76,000 |
| Tender Water Capacity (gals / ML) | 1600 / 6.06 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.50 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 47 / 23.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 36 / 914 |
| Boiler Pressure (psi / kPa) | 180 / 12.40 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 13" x 20" / 330x508 |
| Tractive Effort (lbs / kg) | 14,365 / 6515.86 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.90 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 100 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10 / 3.05 |
| Firebox Area (sq ft / m2) | 53 / 4.93 |
| Grate Area (sq ft / m2) | 12 / 1.12 |
| Evaporative Heating Surface (sq ft / m2) | 577 / 53.62 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 577 / 53.62 |
| Evaporative Heating Surface/Cylinder Volume | 187.95 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2160 |
| Same as above plus superheater percentage | 2160 |
| Same as above but substitute firebox area for grate area | 9540 |
| Power L1 | 2962 |
| Power MT | 233.22 |