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Great Eastern class 245
After Johnson had rebuilt two 2-2-2 locomotives into 4-2-2 Bogie Singles, the first class of new built 4-2-2 locomotives of the Great Eastern was introduced in 1879. Designed in Massey Bromley's short tenure, they wer...
| Great Eastern class 245Remove | |
|---|---|
| Variant | Standard |
| Built | 1879-1882 |
| Manufacturers | Dübs & Co.;Kitson & Co. |
| Wheel arrangement | 2A1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 42357 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Great Eastern class 245 Standard Remove |
|---|---|
| Built | 1879-1882 |
| Manufacturers | Dübs & Co., Kitson & Co. |
| Wheel arrangement | 4-2-2 (Single) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Eastern class 245 Standard Remove |
|---|---|
| Wheelbase | 7.04 m |
| Service mass | 42.4 t |
| Adhesion mass | 15.3 t |
| Total mass | 74.6 t |
| Rigid wheelbase | 2.52 m |
| Axle load | 15.3 t |
| Water capacity | 13,938 l |
Boiler
| Property | Great Eastern class 245 Standard Remove |
|---|---|
| Grate area | 1.589 m² |
| Firebox surface | 10.257 m² |
| Tube heating surface | 101.748 m² |
| Evaporative heating surface | 112.004 m² |
| Total heating surface | 112.0 m² |
Power plant
| Property | Great Eastern class 245 Standard Remove |
|---|---|
| Driver diameter | 2,286 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | Great Eastern class 245 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 336 kW (457 PS) |
| Starting effort | 47.4 kN |
Calculated values
| Property | Great Eastern class 245 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.18 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 7.9 kW/t |
| Heating Surface Equivalent | 163.3 m² |
| Cylinder volume/HSE | 1 : 1,225.79 |
| Adhesive weight/Total | 1 : 2.76 |
| Tractive force/Heating surface | 1 : 8.83 |
| Grate area/Heating surface | 1 : 70.49 |
| Firebox/Tube surface | 1 : 9.92 |
