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Great Western Railway class 4300
When Churchward was looking for a replacement for many older 2-4-0 locomotives in secondary service, he used the class 3150 2-6-2T tank locomotive as a basis. Since this exceeded the axle load on many routes due to it...
| Great Western Railway class 4300Remove | |
|---|---|
| Variant | Standard |
| Built | 1911-1923, 1925, 1932 |
| Manufacturers | Swindon;Robert Stephenson & Co. |
| Wheel arrangement | 1C |
| Gauge | 1435 mm |
| Length | 17710 mm |
| Service mass | 62959 kg |
| Top speed | 113 km/h |
| Power | |
| Engine |
General
| Property | Great Western Railway class 4300 Standard Remove |
|---|---|
| Built | 1911-1923, 1925, 1932 |
| Manufacturers | Swindon, Robert Stephenson & Co. |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Western Railway class 4300 Standard Remove |
|---|---|
| Length | 17.71 m |
| Wheelbase | 7.16 m |
| Total wheelbase | 14.80 m |
| Service mass | 63 t |
| Adhesion mass | 53.4 t |
| Total mass | 103.6 t |
| Rigid wheelbase | 4.50 m |
| Axle load | 17.9 t |
| Water capacity | 15,910 l |
| Fuel capacity | 7.1 t (coal) |
Boiler
| Property | Great Western Railway class 4300 Standard Remove |
|---|---|
| Grate area | 1.91 m² |
| Firebox surface | 11.958 m² |
| Tube heating surface | 125.352 m² |
| Evaporative heating surface | 137.311 m² |
| Total heating surface | 137.3 m² |
Power plant
| Property | Great Western Railway class 4300 Standard Remove |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 470 x 762 mm |
Power
| Property | Great Western Railway class 4300 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 634 kW (862 PS) |
| Top speed | 113 km/h |
| Starting effort | 114.2 kN |
Calculated values
| Property | Great Western Railway class 4300 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.59 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 10.1 kW/t |
| Heating Surface Equivalent | 197.1 m² |
| Cylinder volume/HSE | 1 : 1,340.91 |
| Adhesive weight/Total | 1 : 1.18 |
| Tractive force/Heating surface | 1 : 17.37 |
| Grate area/Heating surface | 1 : 71.89 |
| Firebox/Tube surface | 1 : 10.48 |
