By 1913, the QM & S had lost track of the provenance of this single Eight-wheeler, probably inherited from the QS. The boiler size and grate area, as well as general appearance, suggest the late 1880s; the 2 1/4" tubes suggest it was a Baldwin product.
| Specifications | |
|---|---|
| Class | G-3-A |
| Locobase ID | 6648 |
| Railroad | Quebec, Montreal & Southern |
| Whyte | 4-4-0 |
| Road Numbers | 108 |
| Gauge | Std |
| Builder | |
| Year | |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 8.50' |
| Engine Wheelbase | 23.50' |
| Ratio of driving wheelbase to overall engine wheebase | 0.36 |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 59600 lbs |
| Engine Weight | 96500 lbs |
| Tender Light Weight | |
| Total Engine and Tender Weight | 0 |
| Tender Water Capacity | 3500 gals |
| Tender Fuel Capacity (oil/coal) | 8 tons |
| Minimum weight per yard of rail on which locomotive could run | 50 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 63" |
| Boiler Pressure | 130 psi |
| Cylinders (dia x stroke) | 18" x 24" |
| Tractive Effort | 13639 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.37 |
| Heating Ability | |
| Firebox Area | |
| Grate Area | 17.62 sq. ft |
| Evaporative Heating Surface | 1240 |
| Superheating Surface | |
| Combined Heating Surface | 1240 |
| Evaporative Heating Surface/Cylinder Volume | 175.42 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2291 |
| Same as above plus superheater percentage | 2291 |
| Same as above but substitute firebox area for grate area | 0 |
| Power L1 | 0 |
| Power MT | 0 |
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