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Soviet Railways ОР23 (OR23)
This locomotive was a unique prototype built for the growing freight demands after the Great Patriotic War, utilizing the Brown engine with opposing pistons. It had the wheel arrangement 2-10-4 and the cylinders were ...
| Soviet Railways ОР23 (OR23)Remove | |
|---|---|
| Variant | Standard |
| Built | 1949 |
| Manufacturers | Luhansk |
| Wheel arrangement | 1E2 |
| Gauge | 1520 mm |
| Length | 29540 mm |
| Service mass | 168100 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | Soviet Railways ОР23 (OR23) Standard Remove |
|---|---|
| Built | 1949 |
| Manufacturers | Luhansk |
| Wheel arrangement | 2-10-4 (Texas) |
| Gauge | 1,520 mm |
Dimensions and weights
| Property | Soviet Railways ОР23 (OR23) Standard Remove |
|---|---|
| Length | 29.54 m |
| Length loco | 16.78 m |
| Service mass | 168.1 t |
| Adhesion mass | 115.4 t |
| Axle load | 23.1 t |
Boiler
| Property | Soviet Railways ОР23 (OR23) Standard Remove |
|---|---|
| Grate area | 8.2 m² |
| Evaporative heating surface | 324 m² |
| Superheater surface | 187 m² |
| Total heating surface | 511.0 m² |
Power plant
| Property | Soviet Railways ОР23 (OR23) Standard Remove |
|---|---|
| Driver diameter | 1,500 mm |
| Boiler pressure | 17 bar |
| Expansion type | simple expansion |
| Cylinders | four, 520 x 645 mm |
Power
| Property | Soviet Railways ОР23 (OR23) Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,500 kW (3,399 PS) |
| Top speed | 90 km/h |
| Starting effort | 336.0 kN |
Calculated values
| Property | Soviet Railways ОР23 (OR23) Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.37 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 14.9 kW/t |
| Adhesive weight/Total | 1 : 1.46 |
| Tractive force/Heating surface | 1 : 13.73 |
| Grate area/Heating surface | 1 : 62.32 |
| Total/Superheater | 1 : 1.73 |
