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Great Central class 13
The Great Central Railway Class 13 was the last single-driver express locomotive to be built in Britain and one of the last to see regular service. It was developed by Harry Pollitt, who called it Type X4. It had 7 fe...
| Great Central class 13Remove | |
|---|---|
| Variant | superheated |
| Built | 1915-1919 |
| Manufacturers | |
| Wheel arrangement | 2A1 |
| Gauge | 1435 mm |
| Length | 16688 mm |
| Service mass | 50650 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Great Central class 13superheated |
|---|---|
| Built | 1915-1919 |
| Wheel arrangement | 4-2-2 (Single) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Central class 13superheated |
|---|---|
| Length | 16.69 m |
| Wheelbase | 6.99 m |
| Total wheelbase | 13.84 m |
| Service mass | 50.7 t |
| Adhesion mass | 18.6 t |
| Total mass | 94.3 t |
| Axle load | 18.6 t |
Boiler
| Property | Great Central class 13superheated |
|---|---|
| Grate area | 2.304 m² |
| Firebox surface | 11.892 m² |
| Tube heating surface | 72.186 m² |
| Evaporative heating surface | 84.077 m² |
| Superheater surface | 12.821 m² |
| Total heating surface | 96.9 m² |
Power plant
| Property | Great Central class 13superheated |
|---|---|
| Driver diameter | 2,362 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 495 x 660 mm |
Power
| Property | Great Central class 13superheated |
|---|---|
| Power source | steam |
| Estimated power | 634 kW (862 PS) |
| Starting effort | 64.3 kN |
Calculated values
| Property | Great Central class 13superheated |
|---|---|
| Factor of adhesion | 1 : 2.84 |
| Optimal speed | 60 km/h |
| Power-to-weight ratio | 12.5 kW/t |
| Heating Surface Equivalent | 169.2 m² |
| Cylinder volume/HSE | 1 : 1,504.23 |
| Adhesive weight/Total | 1 : 2.72 |
| Tractive force/Heating surface | 1 : 13.86 |
| Grate area/Heating surface | 1 : 42.06 |
| Firebox/Tube surface | 1 : 6.07 |
| Total/Superheater | 1 : 6.56 |
