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Great Northern (UK) Stirling Single
Patrick Stirling believed that locomotives with large wheels would not only be suitable for higher speeds, but would also achieve better traction. So he borrowed a 2-2-2 locomotive from the Great Eastern and used it t...
General
| Property | Great Northern (UK) Stirling Single 1894 variant |
|---|---|
| Built | 1894-1895 |
| Manufacturers | Doncaster |
| Wheel arrangement | 4-2-2 (Single) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Northern (UK) Stirling Single 1894 variant |
|---|---|
| Length loco | 9.12 m |
| Wheelbase | 7.09 m |
| Rigid wheelbase | 2.74 m |
| Service weight | 50.3 t |
| Adhesive weight | 19.9 t |
| Axle load | 19.9 t |
| Total weight | 92.7 t |
| Water capacity | 17,504 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | Great Northern (UK) Stirling Single 1894 variant |
|---|---|
| Grate area | 1.858 m² |
| Firebox surface | 11.308 m² |
| Tube heating surface | 84.54 m² |
| Evaporative heating surface | 95.848 m² |
| Total heating surface | 95.8 m² |
Power plant
| Property | Great Northern (UK) Stirling Single 1894 variant |
|---|---|
| Driver diameter | 2,476 mm |
| Boiler pressure | 11.9 bar |
| Expansion type | simple expansion |
| Cylinders | two, 495 x 711 mm |
Power
| Property | Great Northern (UK) Stirling Single 1894 variant |
|---|---|
| Power source | steam |
| Estimated power | 485 kW (659 PS) |
| Starting effort | 71.0 kN |
Calculated values
| Property | Great Northern (UK) Stirling Single 1894 variant |
|---|---|
| Factor of adhesion | 1 : 2.75 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 9.6 kW/t |
| Heating Surface Equivalent | 152.4 m² |
| Cylinder volume/HSE | 1 : 1,798.45 |
| Adhesive weight/Total | 1 : 2.53 |
| Tractive force/Heating surface | 1 : 15.47 |
| Grate area/Heating surface | 1 : 51.59 |
| Firebox/Tube surface | 1 : 7.48 |
