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Western Australian Government Railways class K
The class K of the Western Australian Government Railways designates 24 2-8-4T tank locomotives built by Neilson & Co. between 1893 and 1898. The class name was taken over from a single 0-6-2T locomotive built in 1891...
General
| Property | Western Australian Government Railways class K as built |
|---|---|
| Built | 1893-1898 |
| Manufacturers | Neilson & Co. |
| Wheel arrangement | 2-8-4T (Berkshire) |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | Western Australian Government Railways class K as built |
|---|---|
| Wheelbase | 8.53 m |
| Rigid wheelbase | 3.43 m |
| Service weight | 53.9 t |
| Adhesive weight | 33.5 t |
| Axle load | 8.4 t |
| Water capacity | 9,093 l |
| Fuel capacity | 2.8 t (coal) |
Boiler
| Property | Western Australian Government Railways class K as built |
|---|---|
| Grate area | 1.551 m² |
| Firebox surface | 8.668 m² |
| Tube heating surface | 85.443 m² |
| Evaporative heating surface | 94.111 m² |
| Total heating surface | 94.1 m² |
Power plant
| Property | Western Australian Government Railways class K as built |
|---|---|
| Driver diameter | 965 mm |
| Boiler pressure | 8.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 533 mm |
Power
| Property | Western Australian Government Railways class K as built |
|---|---|
| Power source | steam |
| Estimated power | 298 kW (405 PS) |
| Starting effort | 72.5 kN |
Calculated values
| Property | Western Australian Government Railways class K as built |
|---|---|
| Factor of adhesion | 1 : 4.54 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 5.5 kW/t |
| Heating Surface Equivalent | 137.5 m² |
| Cylinder volume/HSE | 1 : 1,136.55 |
| Adhesive weight/Total | 1 : 1.61 |
| Tractive force/Heating surface | 1 : 16.08 |
| Grate area/Heating surface | 1 : 60.68 |
| Firebox/Tube surface | 1 : 9.86 |
