Data from 1929 SAL locomotive diagrams published on http://www.dnaco.net/~gelwood/other/sal--steambk.html .
| Specifications | |
|---|---|
| Class | 689 |
| Locobase ID | 4972 |
| Railroad | Charlotte Harbor & Northern |
| Whyte | 4-6-0 |
| Road Numbers | 689 |
| Gauge | Std |
| Builder | Baldwin |
| Year | 1910 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 12.09' |
| Engine Wheelbase | 20' |
| Ratio of driving wheelbase to overall engine wheebase | 0.60 |
| Overall Wheelbase (engine & tender) | 47.91' |
| Axle Loading (Maximum Weight per Axle) | 26668 lbs |
| Weight on Drivers | 80000 lbs |
| Engine Weight | 105000 lbs |
| Tender Light Weight | 100000 lbs |
| Total Engine and Tender Weight | 205000 lbs |
| Tender Water Capacity | 5000 gals |
| Tender Fuel Capacity (oil/coal) | 2608 gals |
| Minimum weight per yard of rail on which locomotive could run | 44.44 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 56" |
| Boiler Pressure | 175 psi |
| Cylinders (dia x stroke) | 18" x 24" |
| Tractive Effort | 20655 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.87 |
| Heating Ability | |
| Firebox Area | 107 sq. ft |
| Grate Area | 24.10 sq. ft |
| Evaporative Heating Surface | 1426 |
| Superheating Surface | |
| Combined Heating Surface | 1426 |
| Evaporative Heating Surface/Cylinder Volume | 201.74 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4217.50 |
| Same as above plus superheater percentage | 4217.50 |
| Same as above but substitute firebox area for grate area | 18725 |
| Power L1 | 4531.27 |
| Power MT | 374.61 |
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