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London, Brighton & South Coast class G
Stroudley had “Grosvenor” built in 1874 for the LB&SCR as a prototype for a new express locomotive. However, like the entire locomotive, the driving wheel diameter of six feet and nine inches (2.057 mm) was too large....
General
| Property | London, Brighton & South Coast class G production |
|---|---|
| Built | 1877-1882 |
| Manufacturers | Brighton |
| Wheel arrangement | 2-2-2 (Jenny Lind) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London, Brighton & South Coast class G production |
|---|---|
| Wheelbase | 4.85 m |
| Rigid wheelbase | 4.85 m |
| Service weight | 33.9 t |
| Adhesive weight | 13.7 t |
| Axle load | 13.7 t |
| Water capacity | 10,228 l |
| Fuel capacity | 2 t (coal) |
Boiler
| Property | London, Brighton & South Coast class G production |
|---|---|
| Grate area | 1.579 m² |
| Firebox surface | 9.275 m² |
| Tube heating surface | 100.723 m² |
| Evaporative heating surface | 109.997 m² |
| Total heating surface | 110.0 m² |
Power plant
| Property | London, Brighton & South Coast class G production |
|---|---|
| Driver diameter | 1,981 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 610 mm |
Power
| Property | London, Brighton & South Coast class G production |
|---|---|
| Power source | steam |
| Estimated power | 298 kW (405 PS) |
| Starting effort | 47.1 kN |
Calculated values
| Property | London, Brighton & South Coast class G production |
|---|---|
| Factor of adhesion | 1 : 2.86 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 8.8 kW/t |
| Heating Surface Equivalent | 156.4 m² |
| Cylinder volume/HSE | 1 : 1,141.74 |
| Adhesive weight/Total | 1 : 2.47 |
| Tractive force/Heating surface | 1 : 8.94 |
| Grate area/Heating surface | 1 : 69.66 |
| Firebox/Tube surface | 1 : 10.86 |
