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Prussian S 2
The type S 2 of the Prussian State Railways designated several express locomotives built between 1890 and 1902. The first two locomotives which later got the designation S 2 were built in 1890 for the Hanover director...
| Prussian S 2Remove | |
|---|---|
| Variant | Erfurt type (compound) |
| Built | 1891-1893 |
| Manufacturers | Henschel |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | 15615 mm |
| Service mass | 48700 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Prussian S 2Erfurt type (compound) |
|---|---|
| Built | 1891-1893 |
| Manufacturers | Henschel |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Prussian S 2Erfurt type (compound) |
|---|---|
| Length | 15.62 m |
| Length loco | 9.34 m |
| Wheelbase | 6.58 m |
| Total wheelbase | 12.48 m |
| Service mass | 48.7 t |
| Adhesion mass | 28.7 t |
| Total mass | 85.2 t |
| Rigid wheelbase | 2.60 m |
| Axle load | 14.4 t |
| Water capacity | 15,000 l |
| Fuel capacity | 5 t (coal) |
Boiler
| Property | Prussian S 2Erfurt type (compound) |
|---|---|
| Grate area | 2.27 m² |
| Firebox surface | 9.1 m² |
| Tube heating surface | 125 m² |
| Evaporative heating surface | 134.1 m² |
| Total heating surface | 134.1 m² |
Power plant
| Property | Prussian S 2Erfurt type (compound) |
|---|---|
| Driver diameter | 1,960 mm |
| Boiler pressure | 12 bar |
| Expansion type | compound |
| Cylinders | two, HP: 440 x 600 mm and LP: 600 x 600 mm |
Power
| Property | Prussian S 2Erfurt type (compound) |
|---|---|
| Power source | steam |
| Estimated power | 450 kW (612 PS) |
| Top speed | 100 km/h |
| Starting effort | 39.3 kN |
| Starting effort simple | 47.2 kN |
Calculated values
| Property | Prussian S 2Erfurt type (compound) |
|---|---|
| Factor of adhesion | 1 : 7.16 |
| Optimal speed | 69 km/h |
| Power-to-weight ratio | 9.2 kW/t |
| Heating Surface Equivalent | 179.6 m² |
| Cylinder volume/HSE | 1 : 980.26 |
| Adhesive weight/Total | 1 : 1.70 |
| Tractive force/Heating surface | 1 : 6.12 |
| Grate area/Heating surface | 1 : 59.07 |
| Firebox/Tube surface | 1 : 13.74 |
