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Prussian P 4[h]1[/h]
The Prussian State Railways designated passenger locomotives with a 4-4-0 wheel arrangement as P 4[h]1[/h], which were originally delivered in the 1990s with simple steam expansion and saturated steam technology. Thes...
| Prussian P 4[h]1[/h]Remove | |
|---|---|
| Variant | Erfurt type |
| Built | 1891-1893 |
| Manufacturers | Henschel |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | 15615 mm |
| Service mass | 49100 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | Prussian P 4[h]1[/h]Erfurt type |
|---|---|
| Built | 1891-1893 |
| Manufacturers | Henschel |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Prussian P 4[h]1[/h]Erfurt type |
|---|---|
| Length | 15.62 m |
| Wheelbase | 6.34 m |
| Total wheelbase | 14.75 m |
| Service mass | 49.1 t |
| Adhesion mass | 28.2 t |
| Rigid wheelbase | 2.15 m |
| Axle load | 14.1 t |
| Water capacity | 15,000 l |
| Fuel capacity | 5 t (coal) |
Boiler
| Property | Prussian P 4[h]1[/h]Erfurt type |
|---|---|
| Grate area | 2.27 m² |
| Firebox surface | 8.98 m² |
| Tube heating surface | 118.93 m² |
| Evaporative heating surface | 127.91 m² |
| Total heating surface | 127.9 m² |
Power plant
| Property | Prussian P 4[h]1[/h]Erfurt type |
|---|---|
| Driver diameter | 1,730 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 430 x 600 mm |
Power
| Property | Prussian P 4[h]1[/h]Erfurt type |
|---|---|
| Power source | steam |
| Estimated power | 445 kW (605 PS) |
| Top speed | 90 km/h |
| Starting effort | 65.4 kN |
Calculated values
| Property | Prussian P 4[h]1[/h]Erfurt type |
|---|---|
| Factor of adhesion | 1 : 4.23 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 9.1 kW/t |
| Heating Surface Equivalent | 172.8 m² |
| Cylinder volume/HSE | 1 : 1,008.41 |
| Adhesive weight/Total | 1 : 1.74 |
| Tractive force/Heating surface | 1 : 10.68 |
| Grate area/Heating surface | 1 : 56.35 |
| Firebox/Tube surface | 1 : 13.24 |
