Simple-expansion version of the Santa Fe tandem compound that used exactly the same boiler and firebox.
The PS & N (using Pittsburg without the "H") was a Western New York railroad that ran down into Pennsylvania.
| Specifications | |
|---|---|
| Class | 98 |
| Locobase ID | 5365 |
| Railroad | Pittsburg, Shawmut & Northern |
| Whyte | 2-10-2 |
| Road Numbers | 98 |
| Gauge | Std |
| Builder | Burnham, Williams & Co |
| Year | 1907 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 19.75' |
| Engine Wheelbase | 35.92' |
| Ratio of driving wheelbase to overall engine wheebase | 0.55 |
| Overall Wheelbase (engine & tender) | 67.37' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 235000 lbs |
| Engine Weight | 288000 lbs |
| Tender Light Weight | 162000 lbs |
| Total Engine and Tender Weight | 450000 lbs |
| Tender Water Capacity | 8500 gals |
| Tender Fuel Capacity (oil/coal) | 14 tons |
| Minimum weight per yard of rail on which locomotive could run | 78 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 57" |
| Boiler Pressure | 210 psi |
| Cylinders (dia x stroke) | 28" x 32" |
| Tractive Effort | 78565 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 2.99 |
| Heating Ability | |
| Firebox Area | 210 sq. ft |
| Grate Area | 58.50 sq. ft |
| Evaporative Heating Surface | 4796 |
| Superheating Surface | |
| Combined Heating Surface | 4796 |
| Evaporative Heating Surface/Cylinder Volume | 210.30 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 12285 |
| Same as above plus superheater percentage | 12285 |
| Same as above but substitute firebox area for grate area | 44100 |
| Power L1 | 5114 |
| Power MT | 239.88 |
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