Tonnage ratings were as follows:
Short tons grade
1,550 level
720 1/2%
435 1%
220 2%
135 3%
85 4%
55 5%
35 6%
(Somehow, the image of this Prairie struggling up a 6% with 1 or 2 cars in the knuckle strikes Locobase as implausible.)
| Specifications | |
|---|---|
| Class | 3 |
| Locobase ID | 5089 |
| Railroad | Waterman Lumber Co. |
| Whyte | 2-6-2 |
| Road Numbers | |
| Gauge | Std |
| Builder | Baldwin |
| Year | 1909 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 9.17' |
| Engine Wheelbase | 23.75' |
| Ratio of driving wheelbase to overall engine wheebase | 0.39 |
| Overall Wheelbase (engine & tender) | 46.71' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 61000 lbs |
| Engine Weight | 83500 lbs |
| Tender Light Weight | 68500 lbs |
| Total Engine and Tender Weight | 152000 lbs |
| Tender Water Capacity | 3000 gals |
| Tender Fuel Capacity (oil/coal) | 4 tons |
| Minimum weight per yard of rail on which locomotive could run | 33.89 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 46" |
| Boiler Pressure | 180 psi |
| Cylinders (dia x stroke) | 15" x 20" |
| Tractive Effort | 14967 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.08 |
| Heating Ability | |
| Firebox Area | 82 sq. ft |
| Grate Area | 14 sq. ft |
| Evaporative Heating Surface | 991 |
| Superheating Surface | |
| Combined Heating Surface | 991 |
| Evaporative Heating Surface/Cylinder Volume | 242.26 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2520 |
| Same as above plus superheater percentage | 2520 |
| Same as above but substitute firebox area for grate area | 14760 |
| Power L1 | 4726.38 |
| Power MT | 512.45 |
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