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South Australian class Y
The most numerous class of steam locomotives on the South Australian Railways was the 2-6-0 class Y built between 1885 and 1898 for their Cape gauge network. Noticeable features were the low running boards which were ...
General
| Property | South Australian class Y rebuilt Yx |
|---|---|
| Built | 1904-1924 |
| Manufacturers | Beyer, Peacock & Co., Islington, James Martin & Co |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | South Australian class Y rebuilt Yx |
|---|---|
| Length | 11.96 m |
| Wheelbase | 4.06 m |
| Rigid wheelbase | 2.29 m |
| Total wheelbase | 11.02 m |
| Service weight | 28.7 t |
| Adhesive weight | 23.7 t |
| Axle load | 8.1 t |
| Total weight | 50.8 t |
| Water capacity | 7,276 l |
| Fuel capacity | 4.6 t (coal) |
Boiler
| Property | South Australian class Y rebuilt Yx |
|---|---|
| Grate area | 1.238 m² |
| Firebox surface | 7.079 m² |
| Tube heating surface | 67.801 m² |
| Evaporative heating surface | 74.88 m² |
| Total heating surface | 74.9 m² |
Power plant
| Property | South Australian class Y rebuilt Yx |
|---|---|
| Driver diameter | 991 mm |
| Boiler pressure | 12.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 368 x 508 mm |
Power
| Property | South Australian class Y rebuilt Yx |
|---|---|
| Power source | steam |
| Estimated power | 261 kW (355 PS) |
| Starting effort | 75.4 kN |
Calculated values
| Property | South Australian class Y rebuilt Yx |
|---|---|
| Factor of adhesion | 1 : 3.09 |
| Optimal speed | 21 km/h |
| Power-to-weight ratio | 9.1 kW/t |
| Heating Surface Equivalent | 110.3 m² |
| Cylinder volume/HSE | 1 : 981.54 |
| Adhesive weight/Total | 1 : 1.21 |
| Tractive force/Heating surface | 1 : 21.04 |
| Grate area/Heating surface | 1 : 60.48 |
| Firebox/Tube surface | 1 : 9.58 |
