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Victorian Railways class S
The four Pacifics of the class S were built by the Victorian Railways in their Newport Workshops for service on Melbourne-Sydney express trains on the portion up to the border to New South Wales. A major requirement w...
General
| Property | Victorian Railways class SRemove |
|---|---|
| Built | 1928 |
| Manufacturers | Newport |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,600 mm (Irish broad gauge) |
Dimensions and weights
| Property | Victorian Railways class SRemove |
|---|---|
| Length | 23.95 m |
| Wheelbase | 10.67 m |
| Rigid wheelbase | 4.06 m |
| Total wheelbase | 26.06 m |
| Service weight | 114.1 t |
| Adhesive weight | 71.6 t |
| Axle load | 23.9 t |
| Total weight | 195.7 t |
| Water capacity | 39,096 l |
| Fuel capacity | 9.1 t (coal) |
Boiler
| Property | Victorian Railways class SRemove |
|---|---|
| Grate area | 4.645 m² |
| Firebox surface | 27.128 m² |
| Tube heating surface | 262.823 m² |
| Evaporative heating surface | 289.951 m² |
| Superheater surface | 58.622 m² |
| Total heating surface | 348.6 m² |
Power plant
| Property | Victorian Railways class SRemove |
|---|---|
| Driver diameter | 1,853 mm |
| Boiler pressure | 14.1 bar |
| Expansion type | simple expansion |
| Cylinders | three, 521 x 711 mm |
Power
| Property | Victorian Railways class SRemove |
|---|---|
| Power source | steam |
| Estimated power | 1,641 kW (2,231 PS) |
| Starting effort | 187.6 kN |
Calculated values
| Property | Victorian Railways class SRemove |
|---|---|
| Factor of adhesion | 1 : 3.75 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 14.4 kW/t |
| Heating Surface Equivalent | 542.8 m² |
| Cylinder volume/HSE | 1 : 836.97 |
| Adhesive weight/Total | 1 : 1.59 |
| Tractive force/Heating surface | 1 : 11.24 |
| Grate area/Heating surface | 1 : 75.04 |
| Firebox/Tube surface | 1 : 9.69 |
| Total/Superheater | 1 : 4.95 |
