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Great Western Railway Bogie class
In 1849 the GWR manufactured the “Corsair” and “Brigand” saddle tank locomotives for passenger services on the steep and winding South Devon Railway in their own workshops in Swindon. Since the bogie could not be move...
General
| Property | Great Western Railway Bogie class Hawthorn |
|---|---|
| Built | 1854-1855 |
| Manufacturers | R. & W. Hawthorn & Co. |
| Wheel arrangement | 4-4-0ST (American) |
| Gauge | 2,140 mm (GWR broad gauge) |
Dimensions and weights
| Property | Great Western Railway Bogie class Hawthorn |
|---|---|
| Wheelbase | 5.49 m |
| Rigid wheelbase | 2.29 m |
| Service weight | 39.1 t |
| Adhesive weight | 24.4 t |
| Axle load | 12.7 t |
| Water capacity | 4,228 l |
Boiler
| Property | Great Western Railway Bogie class Hawthorn |
|---|---|
| Grate area | 1.765 m² |
Power plant
| Property | Great Western Railway Bogie class Hawthorn |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 7.9 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 610 mm |
Power
| Property | Great Western Railway Bogie class Hawthorn |
|---|---|
| Power source | steam |
| Estimated power | 201 kW (273 PS) |
| Starting effort | 43.7 kN |
Calculated values
| Property | Great Western Railway Bogie class Hawthorn |
|---|---|
| Factor of adhesion | 1 : 5.47 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 5.1 kW/t |
| Adhesive weight/Total | 1 : 1.60 |
