Stewartstown 2-6-0 "Mogul" Locomotives in the USA
Class Details by Steve Llanso of Sweat House Media
Class 4 (Locobase 13945)
Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 47, p. 241. See also a brief history of the railroad at the Friends of the Stewartstown Railroad site ([
], last accessed 14 March 2012.) Works number was 40016 in June 1913.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 4 |
| Locobase ID | 13945 |
| Railroad | Stewartstown |
| Country | USA |
| Whyte | 2-6-0 |
| Number in Class | 1 |
| Road Numbers | 4 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1914 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12 / 3.66 |
| Engine Wheelbase (ft / m) | 19.83 / 6.04 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.61 |
| Overall Wheelbase (engine & tender) (ft / m) | 47.07 / 14.35 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 90,000 / 40,823 |
| Engine Weight (lbs / kg) | 104,000 / 47,174 |
| Tender Loaded Weight (lbs / kg) | 60,000 / 27,216 |
| Total Engine and Tender Weight (lbs / kg) | 164,000 / 74,390 |
| Tender Water Capacity (gals / ML) | 3000 / 11.36 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 6 / 6 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 50 / 25 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 48 / 1219 |
| Boiler Pressure (psi / kPa) | 175 / 12.10 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 |
| Tractive Effort (lbs / kg) | 21,494 / 9749.53 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.19 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 200 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 11.67 / 3.56 |
| Firebox Area (sq ft / m2) | 116 / 10.78 |
| Grate Area (sq ft / m2) | 21 / 1.95 |
| Evaporative Heating Surface (sq ft / m2) | 1329 / 123.47 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1329 / 123.47 |
| Evaporative Heating Surface/Cylinder Volume | 210.62 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3675 |
| Same as above plus superheater percentage | 3675 |
| Same as above but substitute firebox area for grate area | 20,300 |
| Power L1 | 4235 |
| Power MT | 311.22 |