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Imperial Russian Railways series Щ (Shcha)
At the beginning of the 20th century, the railways in the Russian Empire needed more powerful freight locomotives. Recent track updates in many parts of the country now allowed heavier locomotives with an axle load of...
| Imperial Russian Railways series Щ (Shcha)Remove | |
|---|---|
| Variant | |
| Built | 1906-1918;1921-1924 |
| Manufacturers | Kharkiv;Bryansk;Luhansk;Nevski;Putilov;Sormovo;Kolomna |
| Wheel arrangement | 1D |
| Gauge | 1520 mm |
| Length | 20692 mm |
| Service mass | 78300 kg |
| Top speed | 75 km/h |
| Power | |
| Engine |
General
| Property | Imperial Russian Railways series Щ (Shcha)Remove |
|---|---|
| Built | 1906-1918;1921-1924 |
| Manufacturers | Kharkiv, Bryansk, Luhansk, Nevski, Putilov, Sormovo, Kolomna |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,520 mm |
Dimensions and weights
| Property | Imperial Russian Railways series Щ (Shcha)Remove |
|---|---|
| Length | 20.69 m |
| Length loco | 11.70 m |
| Wheelbase | 7.80 m |
| Total wheelbase | 17.73 m |
| Empty mass | 71.2 t |
| Service mass | 78.3 t |
| Adhesion mass | 64.7 t |
| Axle load | 16.2 t |
| Water capacity | 19,300 l |
Boiler
| Property | Imperial Russian Railways series Щ (Shcha)Remove |
|---|---|
| Grate area | 2.8 m² |
| Firebox surface | 15.1 m² |
| Tube heating surface | 161.6 m² |
| Evaporative heating surface | 176.7 m² |
| Superheater surface | 59 m² |
| Total heating surface | 235.7 m² |
Power plant
| Property | Imperial Russian Railways series Щ (Shcha)Remove |
|---|---|
| Driver diameter | 1,300 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | two, HP: 510 x 700 mm and LP: 765 x 700 mm |
Power
| Property | Imperial Russian Railways series Щ (Shcha)Remove |
|---|---|
| Power source | steam |
| Estimated power | 850 kW (1,156 PS) |
| Top speed | 75 km/h |
| Starting effort | 115.4 kN |
| Starting effort simple | 138.5 kN |
Calculated values
| Property | Imperial Russian Railways series Щ (Shcha)Remove |
|---|---|
| Factor of adhesion | 1 : 5.50 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 10.9 kW/t |
| Heating Surface Equivalent | 370.2 m² |
| Cylinder volume/HSE | 1 : 820.83 |
| Adhesive weight/Total | 1 : 1.21 |
| Tractive force/Heating surface | 1 : 10.22 |
| Grate area/Heating surface | 1 : 84.18 |
| Firebox/Tube surface | 1 : 10.70 |
| Total/Superheater | 1 : 2.99 |
