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Great Central class 9P “Lord Faringdon”
Robinson developed two 4-6-0 locomotives for the GCR during the First World War, which were the class 9P shown here for express service and class 9Q for mixed service. They received the same boiler that had already be...
| Great Central class 9P “Lord Faringdon”Remove | |
|---|---|
| Variant | Standard |
| Built | 1917, 1920 |
| Manufacturers | Gorton |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 19215 mm |
| Service mass | 79150 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Great Central class 9P “Lord Faringdon” Standard Remove |
|---|---|
| Built | 1917, 1920 |
| Manufacturers | Gorton |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Central class 9P “Lord Faringdon” Standard Remove |
|---|---|
| Length | 19.22 m |
| Wheelbase | 8.79 m |
| Total wheelbase | 16.09 m |
| Service mass | 79.2 t |
| Adhesion mass | 58.1 t |
| Rigid wheelbase | 4.72 m |
| Axle load | 20.3 t |
| Water capacity | 18,185 l |
| Fuel capacity | 6.1 t (coal) |
Boiler
| Property | Great Central class 9P “Lord Faringdon” Standard Remove |
|---|---|
| Grate area | 2.415 m² |
| Firebox surface | 15.143 m² |
| Tube heating surface | 174.751 m² |
| Evaporative heating surface | 189.894 m² |
| Superheater surface | 31.866 m² |
| Total heating surface | 221.8 m² |
Power plant
| Property | Great Central class 9P “Lord Faringdon” Standard Remove |
|---|---|
| Driver diameter | 2,057 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | four, 406 x 660 mm |
Power
| Property | Great Central class 9P “Lord Faringdon” Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,007 kW (1,369 PS) |
| Starting effort | 111.9 kN |
Calculated values
| Property | Great Central class 9P “Lord Faringdon” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.09 |
| Optimal speed | 55 km/h |
| Power-to-weight ratio | 12.7 kW/t |
| Heating Surface Equivalent | 329.3 m² |
| Cylinder volume/HSE | 1 : 1,040.44 |
| Adhesive weight/Total | 1 : 1.36 |
| Tractive force/Heating surface | 1 : 10.53 |
| Grate area/Heating surface | 1 : 91.83 |
| Firebox/Tube surface | 1 : 11.54 |
| Total/Superheater | 1 : 5.96 |
