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Great Central class 1B
In the 1910s the Great Central Railway needed new tank locomotives to serve coal traffic between the mining areas of Nottinghamshire and Derbyshire and the port at Immingham. Due to the good experiences with the class...
General
| Property | Great Central class 1BRemove |
|---|---|
| Built | 1914-1917 |
| Manufacturers | Gorton |
| Wheel arrangement | 2-6-4T (Adriatic) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Central class 1BRemove |
|---|---|
| Length | 14.14 m |
| Wheelbase | 11.43 m |
| Rigid wheelbase | 5.18 m |
| Service weight | 97.9 t |
| Adhesive weight | 59.7 t |
| Axle load | 20.3 t |
| Water capacity | 13,639 l |
| Fuel capacity | 4.6 t (coal) |
Boiler
| Property | Great Central class 1BRemove |
|---|---|
| Grate area | 2.462 m² |
| Firebox surface | 14.586 m² |
| Tube heating surface | 128.81 m² |
| Evaporative heating surface | 143.396 m² |
| Superheater surface | 19.417 m² |
| Total heating surface | 162.8 m² |
Power plant
| Property | Great Central class 1BRemove |
|---|---|
| Driver diameter | 1,549 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 660 mm |
Power
| Property | Great Central class 1BRemove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Starting effort | 127.9 kN |
Calculated values
| Property | Great Central class 1BRemove |
|---|---|
| Factor of adhesion | 1 : 4.58 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 8.4 kW/t |
| Heating Surface Equivalent | 255.2 m² |
| Cylinder volume/HSE | 1 : 1,156.70 |
| Adhesive weight/Total | 1 : 1.64 |
| Tractive force/Heating surface | 1 : 16.41 |
| Grate area/Heating surface | 1 : 66.13 |
| Firebox/Tube surface | 1 : 8.83 |
| Total/Superheater | 1 : 7.39 |
