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London, Brighton & South Coast classes B2, B2s and B3
The London, Brighton & South Coast Railway had relatively light express trains on the London to Portsmouth line, which were still pulled by Singles in the early 1890s. Since these had reached their limits, Robert Bill...
General
| Property | London, Brighton & South Coast classes B2, B2s and B3 B3 |
|---|---|
| Built | 1897 |
| Manufacturers | Brighton |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London, Brighton & South Coast classes B2, B2s and B3 B3 |
|---|---|
| Wheelbase | 5.35 m |
| Rigid wheelbase | 2.67 m |
| Service weight | 45.4 t |
| Adhesive weight | 31 t |
| Axle load | 7.2 t |
| Total weight | 72.5 t |
| Water capacity | 11,818 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | London, Brighton & South Coast classes B2, B2s and B3 B3 |
|---|---|
| Grate area | 1.914 m² |
| Firebox surface | 10.252 m² |
| Tube heating surface | 125.387 m² |
| Evaporative heating surface | 135.639 m² |
| Total heating surface | 135.6 m² |
Power plant
| Property | London, Brighton & South Coast classes B2, B2s and B3 B3 |
|---|---|
| Driver diameter | 2,057 mm |
| Boiler pressure | 11.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 660 mm |
Power
| Property | London, Brighton & South Coast classes B2, B2s and B3 B3 |
|---|---|
| Power source | steam |
| Estimated power | 541 kW (736 PS) |
| Starting effort | 66.8 kN |
Calculated values
| Property | London, Brighton & South Coast classes B2, B2s and B3 B3 |
|---|---|
| Factor of adhesion | 1 : 4.55 |
| Optimal speed | 50 km/h |
| Power-to-weight ratio | 11.9 kW/t |
| Heating Surface Equivalent | 186.9 m² |
| Cylinder volume/HSE | 1 : 1,160.20 |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 10.29 |
| Grate area/Heating surface | 1 : 70.87 |
| Firebox/Tube surface | 1 : 12.23 |
