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London, Brighton & South Coast class B1 “Gladstone”
The class B1, also called Gladstone class after the first locomotive built, was one of the most powerful 0-4-2 express locomotives ever. William Stroudley had designed it as an enlarged successor of the Richmond class...
| London, Brighton & South Coast class B1 “Gladstone”Remove | |
|---|---|
| Variant | Standard |
| Built | 1882-1891 |
| Manufacturers | Brighton |
| Wheel arrangement | B1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 39321 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London, Brighton & South Coast class B1 “Gladstone” Standard Remove |
|---|---|
| Built | 1882-1891 |
| Manufacturers | Brighton |
| Wheel arrangement | 0-4-2 |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London, Brighton & South Coast class B1 “Gladstone” Standard Remove |
|---|---|
| Wheelbase | 4.75 m |
| Empty mass | 14.7 t |
| Service mass | 39.3 t |
| Adhesion mass | 28.8 t |
| Total mass | 67.1 t |
| Rigid wheelbase | 4.75 m |
| Water capacity | 10,175 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | London, Brighton & South Coast class B1 “Gladstone” Standard Remove |
|---|---|
| Grate area | 1.918 m² |
| Firebox surface | 10.452 m² |
| Tube heating surface | 128.16 m² |
| Evaporative heating surface | 138.611 m² |
| Total heating surface | 138.6 m² |
Power plant
| Property | London, Brighton & South Coast class B1 “Gladstone” Standard Remove |
|---|---|
| Driver diameter | 1,981 mm |
| Boiler pressure | 10.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 464 x 660 mm |
Power
| Property | London, Brighton & South Coast class B1 “Gladstone” Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 522 kW (710 PS) |
| Starting effort | 63.0 kN |
Calculated values
| Property | London, Brighton & South Coast class B1 “Gladstone” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.48 |
| Optimal speed | 51 km/h |
| Power-to-weight ratio | 13.3 kW/t |
| Heating Surface Equivalent | 190.9 m² |
| Cylinder volume/HSE | 1 : 1,167.83 |
| Adhesive weight/Total | 1 : 1.37 |
| Tractive force/Heating surface | 1 : 9.49 |
| Grate area/Heating surface | 1 : 72.27 |
| Firebox/Tube surface | 1 : 12.26 |
