White Pass & Yukon 2-6-0 Locomotives in Canada
Class Details by Steve Llanso of Sweat House Media
Class 51 (Locobase 10676)
Data from [
], last accessed 19 July 2009.
This pair of Moguls originally was built by Brooks and sold to the Utah & Northern in 1881 as that railroad's 1-2. When the UP took over the U & N, they went to the Columbia & Puget Sound in November 1889 and 1890, respectively, where they were renumbered (2nd) 3 & 4 and worked until sold to the White Pass & Yukon in 1897.
It was then that they were rebuilt with new boilers by the WP & Y, a measure which together with their generally handy size guaranteed a long working life. 52 was retired in 1937 and 51 carried on until 1942.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 51 |
| Locobase ID | 10676 |
| Railroad | White Pass & Yukon |
| Country | Canada |
| Whyte | 2-6-0 |
| Number in Class | 2 |
| Road Numbers | 51-52 |
| Gauge | 3' |
| Number Built | 2 |
| Builder | WP&Y |
| Year | 1900 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12.07 / 3.68 |
| Engine Wheelbase (ft / m) | 18.03 / 5.50 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.67 |
| Overall Wheelbase (engine & tender) (ft / m) | 36.50 / 11.13 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 22,400 / 10,160 |
| Weight on Drivers (lbs / kg) | 51,000 / 23,133 |
| Engine Weight (lbs / kg) | 57,400 / 26,036 |
| Tender Loaded Weight (lbs / kg) | 38,100 / 17,282 |
| Total Engine and Tender Weight (lbs / kg) | 95,500 / 43,318 |
| Tender Water Capacity (gals / ML) | 624 / 2.36 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.90 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 28 / 14 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 42 / 1067 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14.5" x 18" / 368x457 |
| Tractive Effort (lbs / kg) | 12,255 / 5558.78 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.16 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 166 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.67 / 2.64 |
| Firebox Area (sq ft / m2) | 97 / 9.01 |
| Grate Area (sq ft / m2) | 12.89 / 1.20 |
| Evaporative Heating Surface (sq ft / m2) | 850 / 79 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 850 / 79 |
| Evaporative Heating Surface/Cylinder Volume | 247.09 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2062 |
| Same as above plus superheater percentage | 2062 |
| Same as above but substitute firebox area for grate area | 15,520 |
| Power L1 | 4347 |
| Power MT | 563.73 |