Data from the Tyne and Wear Archives at [], last accessed 4 November 2018.. Works number was 2999.
Built as a stock item. Locobase knows no more of its history, but the design seems quite similar to a 1912 batch of three Lambton Colliery locomotives shown in Locobase 6326.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Hilda |
| Locobase ID | 20489 |
| Railroad | stock |
| Country | Great Britain |
| Whyte | 0-4-0ST |
| Number in Class | 1 |
| Road Numbers | |
| Gauge | Std |
| Number Built | 1 |
| Builder | Hawthorn Leslie |
| Year | 1912 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.50 / 1.98 |
| Engine Wheelbase (ft / m) | 6.50 / 1.98 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 6.50 / 1.98 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 83,440 / 37,848 |
| Engine Weight (lbs / kg) | 83,440 / 37,848 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1134 / 4.30 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.15 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 70 / 35 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 46 / 1168 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 |
| Tractive Effort (lbs / kg) | 18,165 / 8239.52 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.59 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 12.50 / 1.16 |
| Evaporative Heating Surface (sq ft / m2) | 865 / 80.36 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 865 / 80.36 |
| Evaporative Heating Surface/Cylinder Volume | 154.88 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2000 |
| Same as above plus superheater percentage | 2000 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |