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London & North Western class A
Between 1893 and 1900, Francis Webb built 111 class A 0-8-0 goods locomotives for the LNWR. Like earlier Webb compounds with two driving axles they had two small high-pressure cylinders on the outside and one larger l...
| London & North Western class ARemove | |
|---|---|
| Variant | Standard |
| Built | 1893-1900 |
| Manufacturers | Crewe |
| Wheel arrangement | D |
| Gauge | 1435 mm |
| Length | |
| Service mass | 50802 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Western class A Standard Remove |
|---|---|
| Built | 1893-1900 |
| Manufacturers | Crewe |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Western class A Standard Remove |
|---|---|
| Wheelbase | 5.26 m |
| Service mass | 50.8 t |
| Adhesion mass | 50.8 t |
| Rigid wheelbase | 5.26 m |
| Axle load | 14.6 t |
Boiler
| Property | London & North Western class A Standard Remove |
|---|---|
| Grate area | 1.905 m² |
| Firebox surface | 10.684 m² |
| Tube heating surface | 138.426 m² |
| Evaporative heating surface | 149.11 m² |
| Total heating surface | 149.1 m² |
Power plant
| Property | London & North Western class A Standard Remove |
|---|---|
| Driver diameter | 1,346 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | compound |
| Cylinders | three, HP: 381 x 610 mm and LP: 762 x 610 mm |
Power
| Property | London & North Western class A Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 522 kW (710 PS) |
| Starting effort | 80.9 kN |
| Starting effort simple | 97.1 kN |
Calculated values
| Property | London & North Western class A Standard Remove |
|---|---|
| Factor of adhesion | 1 : 6.16 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 10.3 kW/t |
| Heating Surface Equivalent | 202.5 m² |
| Cylinder volume/HSE | 1 : 1,544.22 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 11.33 |
| Grate area/Heating surface | 1 : 78.27 |
| Firebox/Tube surface | 1 : 12.96 |
