Mr B Haskell, Superintendent of Motive Power, designed this small locomotive that had a relatively low cylinder volume. They were reported to achieve 60 engine-miles/ton vs the 40 em/ton put up by 17" cylinder engines
| Specifications | |
|---|---|
| Class | 117 |
| Locobase ID | 9511 |
| Railroad | Chicago & West Michigan |
| Whyte | 4-4-0 |
| Road Numbers | 117 |
| Gauge | Std |
| Builder | C&WM |
| Year | 1899 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 8' |
| Engine Wheelbase | 22.67' |
| Ratio of driving wheelbase to overall engine wheebase | 0.35 |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 51350 lbs |
| Engine Weight | 89000 lbs |
| Tender Light Weight | |
| Total Engine and Tender Weight | 186296 lbs |
| Tender Water Capacity | |
| Tender Fuel Capacity (oil/coal) | |
| Minimum weight per yard of rail on which locomotive could run | 43 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 60" |
| Boiler Pressure | 180 psi |
| Cylinders (dia x stroke) | 16" x 24" |
| Tractive Effort | 15667 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.28 |
| Heating Ability | |
| Firebox Area | |
| Grate Area | 16 sq. ft |
| Evaporative Heating Surface | 1867 |
| Superheating Surface | |
| Combined Heating Surface | 1867 |
| Evaporative Heating Surface/Cylinder Volume | 334.29 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2880 |
| Same as above plus superheater percentage | 2880 |
| Same as above but substitute firebox area for grate area | 0 |
| Power L1 | 0 |
| Power MT | 0 |
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