Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 47, p. 294. (Thanks to Chris Hohl for his 17 March 2019 email noting the correct fuel bunker capacity. Works number was 38273 in September 1912.
Although it used the same boiler and grate design as the Hawai'ian saddle tank shown in Locobase 13128, this "Forney", as it was contemporarily described, was a substantially heavier locomotive because the tank had more than double the earlier capacity. It still rolled on 20 lb/yard (10 kg/metre) rail for this Keyser, West Virginia coal company.
The 1 was later sold to Elkins Sewell Coal Company.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 1 |
| Locobase ID | 14130 |
| Railroad | Masteller Coal Company |
| Country | USA |
| Whyte | 0-4-2ST |
| Number in Class | 1 |
| Road Numbers | 1 |
| Gauge | 3'6" |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1913 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 3.33 / 1.01 |
| Engine Wheelbase (ft / m) | 7.83 / 2.39 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.43 |
| Overall Wheelbase (engine & tender) (ft / m) | 7.83 / 2.39 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 16,000 / 7257 |
| Engine Weight (lbs / kg) | 18,000 / 8165 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 18,000 |
| Tender Water Capacity (gals / ML) | 250 / 0.95 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.30 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 13 / 6.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 24 / 610 |
| Boiler Pressure (psi / kPa) | 150 / 1030 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 7" x 10" / 178x254 |
| Tractive Effort (lbs / kg) | 2603 / 1180.70 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 6.15 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 46 - 1.5" / 38 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 6.13 / 1.87 |
| Firebox Area (sq ft / m2) | 17.60 / 1.64 |
| Grate Area (sq ft / m2) | 4.50 / 0.42 |
| Evaporative Heating Surface (sq ft / m2) | 127 / 11.80 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 127 / 11.80 |
| Evaporative Heating Surface/Cylinder Volume | 282.22 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 675 |
| Same as above plus superheater percentage | 675 |
| Same as above but substitute firebox area for grate area | 2640 |
| Power L1 | 2867 |
| Power MT | 790.08 |