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Imperial Russian Railways series О
The railway administrations of the Tsarist Empire combined eight-coupled freight locomotives under the letter О, which made it to a number of more than 9,000 in different versions. The series went back to a type from ...
| Imperial Russian Railways series ОRemove | |
|---|---|
| Variant | О[h]п[/h] rebuilt |
| Built | 1933-1935 |
| Manufacturers | Kolomna;Bryansk;Votkinsk;Luhansk;Nevski;Kirov;Sormovo;Malyschev;Wiener Neustadt;Henschel;BMAG |
| Wheel arrangement | D |
| Gauge | 1520 mm |
| Length | 18691 mm |
| Service mass | 52400 kg |
| Top speed | 55 km/h |
| Power | |
| Engine |
General
| Property | Imperial Russian Railways series ОО[h]п[/h] rebuilt |
|---|---|
| Built | 1933-1935 |
| Manufacturers | Kolomna, Bryansk, Votkinsk, Luhansk, Nevski, Kirov, Sormovo, Malyschev, Wiener Neustadt, Henschel, BMAG |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,520 mm |
Dimensions and weights
| Property | Imperial Russian Railways series ОО[h]п[/h] rebuilt |
|---|---|
| Length | 18.69 m |
| Length loco | 9.67 m |
| Wheelbase | 3.89 m |
| Empty mass | 46 t |
| Service mass | 52.4 t |
| Adhesion mass | 52.4 t |
| Rigid wheelbase | 3.89 m |
| Axle load | 13.1 t |
Boiler
| Property | Imperial Russian Railways series ОО[h]п[/h] rebuilt |
|---|---|
| Grate area | 1.85 m² |
| Firebox surface | 10.7 m² |
| Tube heating surface | 116.2 m² |
| Evaporative heating surface | 126.9 m² |
| Superheater surface | 41.1 m² |
| Total heating surface | 168.0 m² |
Power plant
| Property | Imperial Russian Railways series ОО[h]п[/h] rebuilt |
|---|---|
| Driver diameter | 1,200 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | two, 500 x 650 mm |
Power
| Property | Imperial Russian Railways series ОО[h]п[/h] rebuilt |
|---|---|
| Power source | steam |
| Estimated power | 775 kW (1,054 PS) |
| Top speed | 55 km/h |
| Starting effort | 161.1 kN |
Calculated values
| Property | Imperial Russian Railways series ОО[h]п[/h] rebuilt |
|---|---|
| Factor of adhesion | 1 : 3.19 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 14.8 kW/t |
| Heating Surface Equivalent | 262.6 m² |
| Cylinder volume/HSE | 1 : 972.03 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 20.03 |
| Grate area/Heating surface | 1 : 90.81 |
| Firebox/Tube surface | 1 : 10.86 |
| Total/Superheater | 1 : 3.09 |
