See Locobase 7699 for a brief description of this railroad. The four Prairies were small, stubby engines with the trailing axle behind the firebox. The tender sloped down in back, which suggests these locomotives were also used for switching.
| Specifications | |
|---|---|
| Class | 101 |
| Locobase ID | 7702 |
| Railroad | Colorado Southern & Cripple Creek Distr |
| Whyte | 2-6-0 |
| Road Numbers | 101-104 |
| Gauge | Std |
| Builder | Schenectady |
| Year | 1900 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 11' |
| Engine Wheelbase | 24.75' |
| Ratio of driving wheelbase to overall engine wheebase | 0.44 |
| Overall Wheelbase (engine & tender) | 46.17' |
| Axle Loading (Maximum Weight per Axle) | 36160 lbs |
| Weight on Drivers | 107280 lbs |
| Engine Weight | 135960 lbs |
| Tender Light Weight | 81800 lbs |
| Total Engine and Tender Weight | 217760 lbs |
| Tender Water Capacity | 3500 gals |
| Tender Fuel Capacity (oil/coal) | 10 tons |
| Minimum weight per yard of rail on which locomotive could run | 59.60 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 51" |
| Boiler Pressure | 188.50 psi |
| Cylinders (dia x stroke) | 19" x 24" |
| Tractive Effort | 27219 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.94 |
| Heating Ability | |
| Firebox Area | 148.47 sq. ft |
| Grate Area | 22 sq. ft |
| Evaporative Heating Surface | 1749 |
| Superheating Surface | |
| Combined Heating Surface | 1749 |
| Evaporative Heating Surface/Cylinder Volume | 222.07 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4147 |
| Same as above plus superheater percentage | 4147 |
| Same as above but substitute firebox area for grate area | 27986.60 |
| Power L1 | 5068.39 |
| Power MT | 312.47 |
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