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Imperial Russian Railways Series Я (Ya)
When the suburban trains became heavier in Russia, the Moscow-Yaroslavl Railway was the first to order six-coupled locomotives for this task. The series was designated Я (Ya) after the terminus of the first customer. ...
General
| Property | Imperial Russian Railways Series Я (Ya)Remove |
|---|---|
| Built | 1896-1903 |
| Manufacturers | Nevski, Putilov |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,520 mm (Russian broad gauge) |
Dimensions and weights
| Property | Imperial Russian Railways Series Я (Ya)Remove |
|---|---|
| Length loco | 9.66 m |
| Service weight | 53 t |
| Adhesive weight | 40.5 t |
| Axle load | 13.5 t |
Boiler
| Property | Imperial Russian Railways Series Я (Ya)Remove |
|---|---|
| Grate area | 2.3 m² |
| Evaporative heating surface | 161 m² |
| Total heating surface | 161.0 m² |
Power plant
| Property | Imperial Russian Railways Series Я (Ya)Remove |
|---|---|
| Driver diameter | 1,800 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 482 x 650 mm |
Power
| Property | Imperial Russian Railways Series Я (Ya)Remove |
|---|---|
| Power source | steam |
| Indicated power | 500 kW (680 PS) |
| Top speed | 95 km/h |
| Starting effort | 78.4 kN |
Calculated values
| Property | Imperial Russian Railways Series Я (Ya)Remove |
|---|---|
| Factor of adhesion | 1 : 5.07 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 9.4 kW/t |
| Adhesive weight/Total | 1 : 1.31 |
| Tractive force/Heating surface | 1 : 10.18 |
| Grate area/Heating surface | 1 : 70.00 |
