War Department Beyer-Garratt Locomotives in Burma
Class Details by Steve Llanso of Sweat House Media
Class WD Light-Metre / GC (Locobase 5801)
Data from Gavin Hamilton's excellent compilation of Garratt data posted at [
] (6 September 2005); and A[rthur] E[dward] Durrant, Garratt Locomotives of the World (revised edition) (Newton Abbott, UK: David & Charles, 1981), p.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | WD Light-Metre / GC |
| Locobase ID | 5801 |
| Railroad | War Department |
| Country | Burma |
| Whyte | 2-8-2+2-8-2 |
| Number in Class | |
| Road Numbers | |
| Gauge | Metre |
| Number Built | |
| Builder | Beyer, Peacock |
| Year | 1944 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 23,520 / 10,669 |
| Weight on Drivers (lbs / kg) | 186,928 / 84,789 |
| Engine Weight (lbs / kg) | 263,984 / 119,741 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 263,984 / 119,741 |
| Tender Water Capacity (gals / ML) | 4320 / 16.36 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 6.60 / 6 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 39 / 991 |
| Boiler Pressure (psi / kPa) | 204.50 / 14.10 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15.5" x 20" / 394x508 (4) |
| Tractive Effort (lbs / kg) | 42,832 / 19428.29 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.36 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 187 / 17.38 |
| Grate Area (sq ft / m2) | 43.70 / 4.06 |
| Evaporative Heating Surface (sq ft / m2) | 1742 / 161.90 |
| Superheating Surface (sq ft / m2) | 313 / 29.09 |
| Combined Heating Surface (sq ft / m2) | 2055 / 190.99 |
| Evaporative Heating Surface/Cylinder Volume | 199.41 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 8937 |
| Same as above plus superheater percentage | 10,277 |
| Same as above but substitute firebox area for grate area | 43,978 |
| Power L1 | 8360 |
| Power MT | 788.78 |