The authors of the book intended this engine to be a typical Atlantic express passenger engine. They did pretty well in finding a standard camelback 4-4-2, although the tubes on this class were a bit longer than most.
| Specifications | |
|---|---|
| Class | F-2 |
| Locobase ID | 8950 |
| Railroad | Lehigh Valley |
| Whyte | 4-4-2 |
| Road Numbers | 2400-2406 |
| Gauge | Std |
| Builder | Burnham, Williams & Co |
| Year | 1903 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | |
| Engine Wheelbase | |
| Ratio of driving wheelbase to overall engine wheebase | |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 107250 lbs |
| Engine Weight | 184650 lbs |
| Tender Light Weight | 135350 lbs |
| Total Engine and Tender Weight | 320000 lbs |
| Tender Water Capacity | 7000 gals |
| Tender Fuel Capacity (oil/coal) | 12 tons |
| Minimum weight per yard of rail on which locomotive could run | 89 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 77" |
| Boiler Pressure | 200 psi |
| Cylinders (dia x stroke) | 20" x 26" |
| Tractive Effort | 22961 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.67 |
| Heating Ability | |
| Firebox Area | 178 sq. ft |
| Grate Area | 76.90 sq. ft |
| Evaporative Heating Surface | 2883 |
| Superheating Surface | |
| Combined Heating Surface | 2883 |
| Evaporative Heating Surface/Cylinder Volume | 304.95 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 15380 |
| Same as above plus superheater percentage | 15380 |
| Same as above but substitute firebox area for grate area | 35600 |
| Power L1 | 10243 |
| Power MT | 421.11 |
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