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London & North Eastern classes V1 and V3
Gresley developed the V1 as a powerful tank locomotive for suburban lines. Its drive consisted of three cylinders cast in one piece. 82 V1 were built between 1930 and 1939, which were initially used in the Glasgow and...
| London & North Eastern classes V1 and V3Remove | |
|---|---|
| Variant | |
| Built | 1939-1940 |
| Manufacturers | Doncaster |
| Wheel arrangement | 1C1 t |
| Gauge | 1435 mm |
| Length | |
| Service mass | 59031 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Eastern classes V1 and V3Remove |
|---|---|
| Built | 1939-1940 |
| Manufacturers | Doncaster |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Eastern classes V1 and V3Remove |
|---|---|
| Wheelbase | 9.83 m |
| Service mass | 59 t |
| Axle load | 20.3 t |
| Water capacity | 9,093 l |
| Fuel capacity | 4.6 t (coal) |
Boiler
| Property | London & North Eastern classes V1 and V3Remove |
|---|---|
| Grate area | 2.044 m² |
| Firebox surface | 11.799 m² |
| Tube heating surface | 111.205 m² |
| Evaporative heating surface | 123.004 m² |
| Superheater surface | 26.384 m² |
| Total heating surface | 149.4 m² |
Power plant
| Property | London & North Eastern classes V1 and V3Remove |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | three, 406 x 660 mm |
Power
| Property | London & North Eastern classes V1 and V3Remove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Starting effort | 111.0 kN |
Calculated values
| Property | London & North Eastern classes V1 and V3Remove |
|---|---|
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 13.9 kW/t |
| Heating Surface Equivalent | 234.8 m² |
| Cylinder volume/HSE | 1 : 1,094.68 |
| Tractive force/Heating surface | 1 : 15.52 |
| Grate area/Heating surface | 1 : 73.09 |
| Firebox/Tube surface | 1 : 9.42 |
| Total/Superheater | 1 : 4.66 |
