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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...
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 (Russian broad gauge) |
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 weight | 71.2 t |
| Service weight | 78.3 t |
| Adhesive weight | 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 | 153.8 m² |
| Evaporative heating surface | 168.9 m² |
| Superheater surface | 35.1 m² |
| Total heating surface | 204.0 m² |
Power plant
| Property | Imperial Russian Railways series Щ (Shcha) Remove |
|---|---|
| Driver diameter | 1,300 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 590 x 700 mm |
Power
| Property | Imperial Russian Railways series Щ (Shcha) Remove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Top speed | 75 km/h |
| Starting effort | 191.2 kN |
Calculated values
| Property | Imperial Russian Railways series Щ (Shcha) Remove |
|---|---|
| Factor of adhesion | 1 : 3.32 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 314.6 m² |
| Cylinder volume/HSE | 1 : 1,216.64 |
| Adhesive weight/Total | 1 : 1.21 |
| Tractive force/Heating surface | 1 : 19.57 |
| Grate area/Heating surface | 1 : 72.86 |
| Firebox/Tube surface | 1 : 10.19 |
| Total/Superheater | 1 : 4.81 |
