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Great Central class 11E “Directors”
The class 11E was created by Robinson from the reduction of the 4-6-0 class 1 in size. A driving axle was removed and the overall length of the locomotive was shortened. The distance between the driving axles was incr...
General
| Property | Great Central class 11E “Directors”Remove |
|---|---|
| Built | 1913 |
| Manufacturers | Gorton |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Central class 11E “Directors”Remove |
|---|---|
| Length | 17.97 m |
| Wheelbase | 7.70 m |
| Rigid wheelbase | 3.05 m |
| Total wheelbase | 12.69 m |
| Service weight | 62.1 t |
| Adhesive weight | 40.4 t |
| Axle load | 20.2 t |
| Total weight | 111.2 t |
| Water capacity | 18,185 l |
| Fuel capacity | 6.1 t (coal) |
Boiler
| Property | Great Central class 11E “Directors”Remove |
|---|---|
| Grate area | 2.415 m² |
| Firebox surface | 14.586 m² |
| Tube heating surface | 139.541 m² |
| Evaporative heating surface | 154.126 m² |
| Superheater surface | 28.243 m² |
| Total heating surface | 182.4 m² |
Power plant
| Property | Great Central class 11E “Directors”Remove |
|---|---|
| Driver diameter | 2,057 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 660 mm |
Power
| Property | Great Central class 11E “Directors”Remove |
|---|---|
| Power source | steam |
| Estimated power | 951 kW (1,293 PS) |
| Starting effort | 87.4 kN |
Calculated values
| Property | Great Central class 11E “Directors”Remove |
|---|---|
| Factor of adhesion | 1 : 4.54 |
| Optimal speed | 66 km/h |
| Power-to-weight ratio | 15.3 kW/t |
| Heating Surface Equivalent | 283.5 m² |
| Cylinder volume/HSE | 1 : 944.14 |
| Adhesive weight/Total | 1 : 1.54 |
| Tractive force/Heating surface | 1 : 10.01 |
| Grate area/Heating surface | 1 : 75.52 |
| Firebox/Tube surface | 1 : 9.57 |
| Total/Superheater | 1 : 5.46 |
