Part of the 200-locomotive residue of an order of Decapods for the 5-foot gauge railways in Russia, these 5 served the N, C & St L on its Paducah, Ky and Huntsville, Ala branches for years. Notice the low average axle loading.
| Specifications | |
|---|---|
| Class | P1-51 |
| Locobase ID | 8332 |
| Railroad | Nashville, Chattanooga & St. Louis |
| Whyte | 2-10-0 |
| Road Numbers | 950-954 |
| Gauge | Std |
| Builder | several |
| Year | 1918 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 18.67' |
| Engine Wheelbase | 27.83' |
| Ratio of driving wheelbase to overall engine wheebase | 0.67 |
| Overall Wheelbase (engine & tender) | 60.46' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 176500 lbs |
| Engine Weight | 201000 lbs |
| Tender Light Weight | 142400 lbs |
| Total Engine and Tender Weight | 343400 lbs |
| Tender Water Capacity | 7400 gals |
| Tender Fuel Capacity (oil/coal) | 14 tons |
| Minimum weight per yard of rail on which locomotive could run | 59 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 52" |
| Boiler Pressure | 180 psi |
| Cylinders (dia x stroke) | 25" x 28" |
| Tractive Effort | 51490 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.43 |
| Heating Ability | |
| Firebox Area | 227 sq. ft |
| Grate Area | 64.60 sq. ft |
| Evaporative Heating Surface | 2610 |
| Superheating Surface | 579 |
| Combined Heating Surface | 3189 |
| Evaporative Heating Surface/Cylinder Volume | 164.07 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 11628 |
| Same as above plus superheater percentage | 13954 |
| Same as above but substitute firebox area for grate area | 49032 |
| Power L1 | 8783 |
| Power MT | 548.53 |
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