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Imperial Russian Railways series П (P)
The designation П (P) stood for a number of 4-4-0 four-cylinder tandem compound express locomotives. They had some similarities with the Ie of the MÁV. The first of 169 were built in 1891 by Grafenstaden in Alsace. Th...
| Imperial Russian Railways series П (P)Remove | |
|---|---|
| Variant | П[h]П[/h] |
| Built | 1891, 1895-1900, 1902-1905 |
| Manufacturers | SACM;Putilov;Kolomna;Odessa |
| Wheel arrangement | 2B |
| Gauge | 1524 mm |
| Length | |
| Service mass | 58100 kg |
| Top speed | 107 km/h |
| Power | |
| Engine |
General
| Property | Imperial Russian Railways series П (P) П[h]П[/h] Remove |
|---|---|
| Built | 1891, 1895-1900, 1902-1905 |
| Manufacturers | SACM, Putilov, Kolomna, Odessa |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,524 mm |
Dimensions and weights
| Property | Imperial Russian Railways series П (P) П[h]П[/h] Remove |
|---|---|
| Wheelbase | 7.50 m |
| Service mass | 58.1 t |
| Adhesion mass | 30.4 t |
| Total mass | 93.2 t |
| Rigid wheelbase | 3.00 m |
| Axle load | 15.2 t |
Boiler
| Property | Imperial Russian Railways series П (P) П[h]П[/h] Remove |
|---|---|
| Grate area | 2.62 m² |
| Firebox surface | 13.68 m² |
| Tube heating surface | 132.4 m² |
| Evaporative heating surface | 146.08 m² |
| Total heating surface | 146.1 m² |
Power plant
| Property | Imperial Russian Railways series П (P) П[h]П[/h] Remove |
|---|---|
| Driver diameter | 2,000 mm |
| Boiler pressure | 13.4 bar |
| Expansion type | compound |
| Cylinders | four, HP: 365 x 610 mm and LP: 547 x 610 mm |
Power
| Property | Imperial Russian Railways series П (P) П[h]П[/h] Remove |
|---|---|
| Power source | steam |
| Estimated power | 600 kW (816 PS) |
| Top speed | 107 km/h |
| Starting effort | 64.0 kN |
| Starting effort simple | 76.9 kN |
Calculated values
| Property | Imperial Russian Railways series П (P) П[h]П[/h] Remove |
|---|---|
| Factor of adhesion | 1 : 4.66 |
| Optimal speed | 58 km/h |
| Power-to-weight ratio | 10.3 kW/t |
| Heating Surface Equivalent | 214.5 m² |
| Cylinder volume/HSE | 1 : 1,263.54 |
| Adhesive weight/Total | 1 : 1.91 |
| Tractive force/Heating surface | 1 : 9.16 |
| Grate area/Heating surface | 1 : 55.76 |
| Firebox/Tube surface | 1 : 9.68 |
