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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...
| Western Australian Government Railways class NRemove | |
|---|---|
| Variant | Standard |
| Built | 1896-1901, 1907-1908 |
| Manufacturers | Neilson & Co.;Robert Stephenson & Co.;Nasmyth, Wilson & Co.;Midland Railway Workshops |
| Wheel arrangement | 2B2 t |
| Gauge | 1067 mm |
| Length | 11049 mm |
| Service mass | 44706 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Western Australian Government Railways class N Standard Remove |
|---|---|
| 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 |
Dimensions and weights
| Property | Western Australian Government Railways class N Standard Remove |
|---|---|
| Length | 11.05 m |
| Service mass | 44.7 t |
| Water capacity | 7,276 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Western Australian Government Railways class N Standard Remove |
|---|---|
| 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 N Standard Remove |
|---|---|
| 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 N Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 280 kW (381 PS) |
| Starting effort | 63.6 kN |
Calculated values
| Property | Western Australian Government Railways class N Standard Remove |
|---|---|
| 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 |
