| Specifications | |
|---|---|
| Class | H7 |
| Locobase ID | 9885 |
| Railroad | CE & LS (Milwaukee Road) |
| Whyte | 4-4-0 |
| Road Numbers | 718-720 |
| Gauge | Std |
| Builder | Rhode Island |
| Year | 1886 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 8.50' |
| Engine Wheelbase | 23.25' |
| Ratio of driving wheelbase to overall engine wheebase | 0.37 |
| Overall Wheelbase (engine & tender) | 45.54' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 60000 lbs |
| Engine Weight | 96300 lbs |
| Tender Light Weight | 60000 lbs |
| Total Engine and Tender Weight | 156300 lbs |
| Tender Water Capacity | 2700 gals |
| Tender Fuel Capacity (oil/coal) | 5 tons |
| Minimum weight per yard of rail on which locomotive could run | 50 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 62" |
| Boiler Pressure | 150 psi |
| Cylinders (dia x stroke) | 18" x 24" |
| Tractive Effort | 15991 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.75 |
| Heating Ability | |
| Firebox Area | 127 sq. ft |
| Grate Area | 17.20 sq. ft |
| Evaporative Heating Surface | 1361 |
| Superheating Surface | |
| Combined Heating Surface | 1361 |
| Evaporative Heating Surface/Cylinder Volume | 192.54 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2580 |
| Same as above plus superheater percentage | 2580 |
| Same as above but substitute firebox area for grate area | 19050 |
| Power L1 | 4377 |
| Power MT | 321.65 |
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