Data from 1929 SAL locomotive diagrams published on http://www.dnaco.net/~gelwood/other/sal--steambk.html .
| Specifications | |
|---|---|
| Class | 103 |
| Locobase ID | 4974 |
| Railroad | Charlotte Harbor & Northern |
| Whyte | 4-4-0 |
| Road Numbers | 103 |
| Gauge | Std |
| Builder | Baldwin |
| Year | 1913 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 8.75' |
| Engine Wheelbase | 22.81' |
| Ratio of driving wheelbase to overall engine wheebase | 0.38 |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | 31950 lbs |
| Weight on Drivers | 63900 lbs |
| Engine Weight | 105500 lbs |
| Tender Light Weight | 115000 lbs |
| Total Engine and Tender Weight | 220500 lbs |
| Tender Water Capacity | 6000 gals |
| Tender Fuel Capacity (oil/coal) | 3075 gals |
| Minimum weight per yard of rail on which locomotive could run | 53 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 66" |
| Boiler Pressure | 175 psi |
| Cylinders (dia x stroke) | 18" x 24" |
| Tractive Effort | 17525 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.65 |
| Heating Ability | |
| Firebox Area | 136 sq. ft |
| Grate Area | 17.60 sq. ft |
| Evaporative Heating Surface | 1456 |
| Superheating Surface | |
| Combined Heating Surface | 1456 |
| Evaporative Heating Surface/Cylinder Volume | 205.98 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3080 |
| Same as above plus superheater percentage | 3080 |
| Same as above but substitute firebox area for grate area | 23800 |
| Power L1 | 5817 |
| Power MT | 401.39 |
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