Builder info from B.Rumary, 25 Kingscombe, Gurney Slade, Radstock, BA3 4TH, ENGLAND and Jeremy Lambert as supplied by Allen Stanley in March 2004. Works #2933-2937, produced in March 1898.
The engine had an unusually deep firebox that was 11 ft long by 3 1/2 wide; it burned anthracite coal.
| Specifications | |
|---|---|
| Class | D56 |
| Locobase ID | 2153 |
| Railroad | Long Island |
| Whyte | 4-4-0 |
| Road Numbers | 6-7, 33-34, 42 |
| Gauge | Std |
| Builder | Brooks |
| Year | 1898 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | 7.50' |
| Engine Wheelbase | 22' |
| Ratio of driving wheelbase to overall engine wheebase | 0.34 |
| Overall Wheelbase (engine & tender) | 48.42' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 81500 lbs |
| Engine Weight | 115000 lbs |
| Tender Light Weight | 85000 lbs |
| Total Engine and Tender Weight | 200000 lbs |
| Tender Water Capacity | 4000 gals |
| Tender Fuel Capacity (oil/coal) | 8.5 tons |
| Minimum weight per yard of rail on which locomotive could run | 68 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 67" |
| Boiler Pressure | 180 psi |
| Cylinders (dia x stroke) | 18" x 24" |
| Tractive Effort | 17757 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.59 |
| Heating Ability | |
| Firebox Area | 160.90 sq. ft |
| Grate Area | 38.50 sq. ft |
| Evaporative Heating Surface | 1504 |
| Superheating Surface | |
| Combined Heating Surface | 1504 |
| Evaporative Heating Surface/Cylinder Volume | 212.77 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 6930 |
| Same as above plus superheater percentage | 6930 |
| Same as above but substitute firebox area for grate area | 28962 |
| Power L1 | 6564 |
| Power MT | 355.12 |
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