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South African class S2
The S2 was a class of 0-8-0 shunting locomotives designed by L.C. Grubb for service in harbours. For this task, it had to be much lighter than the classes S and S1. Originally, Grubb decided to use the Watson Standard...
| South African class S2Remove | |
|---|---|
| Variant | Standard |
| Built | 1952-1953 |
| Manufacturers | Krupp |
| Wheel arrangement | D |
| Gauge | 1067 mm |
| Length | 19298 mm |
| Service mass | 48440 kg |
| Top speed | 40 km/h |
| Power | |
| Engine |
General
| Property | South African class S2 Standard Remove |
|---|---|
| Built | 1952-1953 |
| Manufacturers | Krupp |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | South African class S2 Standard Remove |
|---|---|
| Length | 19.30 m |
| Wheelbase | 3.89 m |
| Total wheelbase | 15.61 m |
| Service mass | 48.4 t |
| Adhesion mass | 48.4 t |
| Total mass | 103.7 t |
| Rigid wheelbase | 3.89 m |
| Axle load | 13.2 t |
| Water capacity | 19,094 l |
| Fuel capacity | 8.1 t (coal) |
Boiler
| Property | South African class S2 Standard Remove |
|---|---|
| Grate area | 2.787 m² |
| Firebox surface | 10.498 m² |
| Tube heating surface | 90.952 m² |
| Evaporative heating surface | 101.45 m² |
| Superheater surface | 30.658 m² |
| Total heating surface | 132.1 m² |
Power plant
| Property | South African class S2 Standard Remove |
|---|---|
| Driver diameter | 1,219 mm |
| Boiler pressure | 13.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 660 mm |
Power
| Property | South African class S2 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Top speed | 40 km/h |
| Starting effort | 129.4 kN |
Calculated values
| Property | South African class S2 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.67 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 16.9 kW/t |
| Heating Surface Equivalent | 215.3 m² |
| Cylinder volume/HSE | 1 : 1,007.36 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 20.46 |
| Grate area/Heating surface | 1 : 47.40 |
| Firebox/Tube surface | 1 : 8.66 |
| Total/Superheater | 1 : 3.31 |
