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East Indian classes WV and WM
In 1942, the East Indian Railway initially had four tank locomotives with a 2-6-2T wheel arrangement built for suburban services in Calcutta. These were supplied by the Vulcan Foundry in England and designated class W...
| East Indian classes WV and WMRemove | |
|---|---|
| Variant | |
| Built | 1942, 1951-1954 |
| Manufacturers | Vulcan Foundry;Robert Stephenson & Hawthorns |
| Wheel arrangement | 1C2 t |
| Gauge | 1676 mm |
| Length | |
| Service mass | 98112 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | East Indian classes WV and WMRemove |
|---|---|
| Built | 1942, 1951-1954 |
| Manufacturers | Vulcan Foundry, Robert Stephenson & Hawthorns |
| Wheel arrangement | 2-6-4T (Adriatic) |
| Gauge | 1,676 mm |
Dimensions and weights
| Property | East Indian classes WV and WMRemove |
|---|---|
| Wheelbase | 11.09 m |
| Service mass | 98.1 t |
| Adhesion mass | 49.3 t |
| Rigid wheelbase | 4.27 m |
| Axle load | 16.5 t |
| Water capacity | 13,639 l |
| Fuel capacity | 6.4 t (coal) |
Boiler
| Property | East Indian classes WV and WMRemove |
|---|---|
| Grate area | 2.285 m² |
| Firebox surface | 11.241 m² |
| Tube heating surface | 77.481 m² |
| Evaporative heating surface | 88.722 m² |
| Superheater surface | 22.297 m² |
| Total heating surface | 111.0 m² |
Power plant
| Property | East Indian classes WV and WMRemove |
|---|---|
| Driver diameter | 1,702 mm |
| Boiler pressure | 14.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 406 x 711 mm |
Power
| Property | East Indian classes WV and WMRemove |
|---|---|
| Power source | steam |
| Estimated power | 746 kW (1,014 PS) |
| Starting effort | 84.9 kN |
Calculated values
| Property | East Indian classes WV and WMRemove |
|---|---|
| Factor of adhesion | 1 : 5.69 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 7.6 kW/t |
| Heating Surface Equivalent | 189.5 m² |
| Cylinder volume/HSE | 1 : 973.56 |
| Adhesive weight/Total | 1 : 1.99 |
| Tractive force/Heating surface | 1 : 15.98 |
| Grate area/Heating surface | 1 : 48.59 |
| Firebox/Tube surface | 1 : 6.89 |
| Total/Superheater | 1 : 3.98 |
