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Prussian S 9
When new rules in the railway operating regulations allowed higher axle loads and thus made more powerful locomotives possible, the S 9 was developed in Prussia. As with the S 7, the design was carried out as an Atlan...
| Prussian S 9Remove | |
|---|---|
| Variant | Standard |
| Built | 1908-1914 |
| Manufacturers | Hanomag |
| Wheel arrangement | 2B1 |
| Gauge | 1435 mm |
| Length | 20735 mm |
| Service mass | 74730 kg |
| Top speed | 110 km/h |
| Power | |
| Engine |
General
| Property | Prussian S 9 Standard Remove |
|---|---|
| Built | 1908-1914 |
| Manufacturers | Hanomag |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Prussian S 9 Standard Remove |
|---|---|
| Length | 20.74 m |
| Length loco | 13.11 m |
| Wheelbase | 10.75 m |
| Total wheelbase | 18.38 m |
| Empty mass | 68.4 t |
| Service mass | 74.7 t |
| Adhesion mass | 33.1 t |
| Total mass | 138.5 t |
| Rigid wheelbase | 2.30 m |
| Axle load | 16.5 t |
| Water capacity | 30,700 l |
| Fuel capacity | 7.2 t (coal) |
Boiler
| Property | Prussian S 9 Standard Remove |
|---|---|
| Grate area | 4 m² |
| Firebox surface | 14.04 m² |
| Tube heating surface | 222.17 m² |
| Evaporative heating surface | 236.21 m² |
| Total heating surface | 236.2 m² |
Power plant
| Property | Prussian S 9 Standard Remove |
|---|---|
| Driver diameter | 1,980 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | four, HP: 380 x 600 mm and LP: 580 x 600 mm |
Power
| Property | Prussian S 9 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 900 kW (1,224 PS) |
| Top speed | 110 km/h |
| Starting effort | 72.9 kN |
| Starting effort simple | 87.4 kN |
Calculated values
| Property | Prussian S 9 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.45 |
| Optimal speed | 76 km/h |
| Power-to-weight ratio | 12.0 kW/t |
| Heating Surface Equivalent | 306.4 m² |
| Cylinder volume/HSE | 1 : 961.52 |
| Adhesive weight/Total | 1 : 2.26 |
| Tractive force/Heating surface | 1 : 6.44 |
| Grate area/Heating surface | 1 : 59.05 |
| Firebox/Tube surface | 1 : 15.82 |
