| Specifications | |
|---|---|
| Class | 90 |
| Locobase ID | 416 |
| Railroad | Lehigh & Hudson River |
| Whyte | 2-8-0 |
| Road Numbers | 90-95 |
| Gauge | Std |
| Builder | Baldwin |
| Year | 1925 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 17.50' |
| Engine Wheelbase | 27.50' |
| Ratio of driving wheelbase to overall engine wheebase | 0.64 |
| Overall Wheelbase (engine & tender) | 75.40' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 283800 lbs |
| Engine Weight | 309700 lbs |
| Tender Light Weight | |
| Total Engine and Tender Weight | 0 |
| Tender Water Capacity | 15000 gals |
| Tender Fuel Capacity (oil/coal) | 16 tons |
| Minimum weight per yard of rail on which locomotive could run | 118.25 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 61" |
| Boiler Pressure | 220 psi |
| Cylinders (dia x stroke) | 27" x 32" |
| Tractive Effort | 71514 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.97 |
| Heating Ability | |
| Firebox Area | 318 sq. ft |
| Grate Area | 100 sq. ft |
| Evaporative Heating Surface | 3607 |
| Superheating Surface | 924 |
| Combined Heating Surface | 4531 |
| Evaporative Heating Surface/Cylinder Volume | 170.10 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 22000 |
| Same as above plus superheater percentage | 26486.43 |
| Same as above but substitute firebox area for grate area | 84226.84 |
| Power L1 | 14252.77 |
| Power MT | 442.87 |
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