17509 in February 1900.
This set of Ten-wheelers was designed by the GR & I's Master Mechanic James Keegan as dual-service engines. In the summer resort season, they pulled heavy passenger trains; at other times they hauled freight. In the latter capacity, they were described in freight service as "...doing exceptionally well."
| Specifications | |
|---|---|
| Class | GG-4 / G34 |
| Locobase ID | 9513 |
| Railroad | Grand Rapids & Indiana |
| Whyte | 4-6-0 |
| Road Numbers | 68 |
| Gauge | Std |
| Builder | Schenectady |
| Year | 1899 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 13.50' |
| Engine Wheelbase | |
| Ratio of driving wheelbase to overall engine wheebase | |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 101530 lbs |
| Engine Weight | 134330 lbs |
| Tender Light Weight | 90000 lbs |
| Total Engine and Tender Weight | 224330 lbs |
| Tender Water Capacity | 4500 gals |
| Tender Fuel Capacity (oil/coal) | |
| Minimum weight per yard of rail on which locomotive could run | 56.41 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 60" |
| Boiler Pressure | 200 psi |
| Cylinders (dia x stroke) | 19" x 26" |
| Tractive Effort | 26594 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.82 |
| Heating Ability | |
| Firebox Area | 148 sq. ft |
| Grate Area | 28 sq. ft |
| Evaporative Heating Surface | 2325 |
| Superheating Surface | |
| Combined Heating Surface | 2325 |
| Evaporative Heating Surface/Cylinder Volume | 272.50 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5600 |
| Same as above plus superheater percentage | 5600 |
| Same as above but substitute firebox area for grate area | 29600 |
| Power L1 | 7184.62 |
| Power MT | 468.02 |
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