Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 53, pp.187. Works numbers were 46015-46016 in August 1917.
Surprisingly large saddle-tank for use by the US Navy at their enormous Norfolk Naval Base.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 6-32-1/3 C / 6 |
| Locobase ID | 13198 |
| Railroad | United States Navy |
| Country | USA |
| Whyte | 0-4-2ST |
| Number in Class | 2 |
| Road Numbers | 6-7 |
| Gauge | Std |
| Number Built | 2 |
| Builder | Baldwin |
| Year | 1917 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7 / 2.13 |
| Engine Wheelbase (ft / m) | 16.50 / 5.03 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.42 |
| Overall Wheelbase (engine & tender) (ft / m) | 16.50 / 5.03 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 100,000 / 45,359 |
| Engine Weight (lbs / kg) | 119,000 / 53,978 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1800 / 6.82 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 4 / 4 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 83 / 41.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 51 / 1295 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 24" / 483x610 |
| Tractive Effort (lbs / kg) | 25,992 / 11789.79 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.85 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 172 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12 / 3.66 |
| Firebox Area (sq ft / m2) | 79 / 7.34 |
| Grate Area (sq ft / m2) | 20 / 1.86 |
| Evaporative Heating Surface (sq ft / m2) | 1152 / 107.06 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1152 / 107.06 |
| Evaporative Heating Surface/Cylinder Volume | 146.19 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3600 |
| Same as above plus superheater percentage | 3600 |
| Same as above but substitute firebox area for grate area | 14,220 |
| Power L1 | 3004 |
| Power MT | 132.45 |