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Western Australian Government Railways class N
Rising passenger numbers due to the gold rush prompted the WAGR to order tank locomotives in the 1890s. These were used in suburban service around Perth and in the Kalgoorlie area. They had the wheel arrangement 4-4-4...
General
| Property | Western Australian Government Railways class NRemove |
|---|---|
| Built | 1896-1901, 1907-1908 |
| Manufacturers | Neilson & Co., Robert Stephenson & Co., Nasmyth, Wilson & Co., Midland Railway Workshops |
| Wheel arrangement | 4-4-4T (Reading) |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | Western Australian Government Railways class NRemove |
|---|---|
| Length | 11.05 m |
| Service weight | 44.7 t |
| Water capacity | 7,276 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Western Australian Government Railways class NRemove |
|---|---|
| Grate area | 1.463 m² |
| Firebox surface | 8.64 m² |
| Tube heating surface | 71.907 m² |
| Evaporative heating surface | 80.547 m² |
| Total heating surface | 80.5 m² |
Power plant
| Property | Western Australian Government Railways class NRemove |
|---|---|
| Driver diameter | 1,219 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 394 x 533 mm |
Power
| Property | Western Australian Government Railways class NRemove |
|---|---|
| Power source | steam |
| Estimated power | 280 kW (381 PS) |
| Starting effort | 63.6 kN |
Calculated values
| Property | Western Australian Government Railways class NRemove |
|---|---|
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 6.3 kW/t |
| Heating Surface Equivalent | 123.7 m² |
| Cylinder volume/HSE | 1 : 1,049.47 |
| Tractive force/Heating surface | 1 : 16.49 |
| Grate area/Heating surface | 1 : 55.06 |
| Firebox/Tube surface | 1 : 8.32 |
