Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 27, p. 178. Works number was 24936 in December 1904.
Joseph Wharton was a New Jersey industrialist who gradually accumulated mines in New Jersey. Soon after the turn into the 20th Century, he built the Wharton & Northern in Morris County.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 7 |
| Locobase ID | 12742 |
| Railroad | Joseph Wharton |
| Country | USA |
| Whyte | 2-8-0 |
| Number in Class | 1 |
| Road Numbers | 7 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Burnham, Williams & Co |
| Year | 1905 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 13.67 / 4.17 |
| Engine Wheelbase (ft / m) | 21.33 / 6.50 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.64 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 108,000 / 48,988 |
| Engine Weight (lbs / kg) | 123,000 / 55,792 |
| Tender Loaded Weight (lbs / kg) | 72,000 / 32,659 |
| Total Engine and Tender Weight (lbs / kg) | 195,000 / 88,451 |
| Tender Water Capacity (gals / ML) | 3500 / 13.26 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 45 / 22.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 50 / 1270 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 24" / 483x610 |
| Tractive Effort (lbs / kg) | 26,512 / 12025.66 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.07 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 184 - 2.25" / 57 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 13.83 / 4.22 |
| Firebox Area (sq ft / m2) | 128 / 11.90 |
| Grate Area (sq ft / m2) | 23.96 / 2.23 |
| Evaporative Heating Surface (sq ft / m2) | 1618 / 150.37 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1618 / 150.37 |
| Evaporative Heating Surface/Cylinder Volume | 205.33 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4313 |
| Same as above plus superheater percentage | 4313 |
| Same as above but substitute firebox area for grate area | 23,040 |
| Power L1 | 4298 |
| Power MT | 350.94 |