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Great Eastern class P43
The Great Eastern Railway's P43 class was the penultimate single-driver express locomotive built in Britain, before the GCR class 13. Although the GER was already using four-coupled express locomotives, its seven-foot...
General
| Property | Great Eastern class P43Remove |
|---|---|
| Built | 1898 |
| Manufacturers | Stratford |
| Wheel arrangement | 4-2-2 (Single) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Eastern class P43Remove |
|---|---|
| Wheelbase | 6.93 m |
| Total wheelbase | 13.36 m |
| Service weight | 49.8 t |
| Adhesive weight | 19.3 t |
| Axle load | 19.3 t |
| Total weight | 86.4 t |
| Water capacity | 12,685 l |
| Fuel capacity | 3,252 l (oil) |
Boiler
| Property | Great Eastern class P43Remove |
|---|---|
| Grate area | 1.979 m² |
| Firebox surface | 10.612 m² |
| Tube heating surface | 109.511 m² |
| Evaporative heating surface | 120.123 m² |
| Total heating surface | 120.1 m² |
Power plant
| Property | Great Eastern class P43Remove |
|---|---|
| Driver diameter | 2,134 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 660 mm |
Power
| Property | Great Eastern class P43Remove |
|---|---|
| Power source | steam |
| Estimated power | 522 kW (710 PS) |
| Starting effort | 60.7 kN |
Calculated values
| Property | Great Eastern class P43Remove |
|---|---|
| Factor of adhesion | 1 : 3.12 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 173.2 m² |
| Cylinder volume/HSE | 1 : 1,252.09 |
| Adhesive weight/Total | 1 : 2.58 |
| Tractive force/Heating surface | 1 : 10.55 |
| Grate area/Heating surface | 1 : 60.70 |
| Firebox/Tube surface | 1 : 10.32 |
