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South Manchurian Railway Pashisa and Pashiha class
The South Manchurian Railway, commonly called “Mantetsu”, needed new locomotives to resume express train service after World War I. In 1919, six engines designed for burning lignite were ordered from Baldwin in the US...
| South Manchurian Railway Pashisa and Pashiha classRemove | |
|---|---|
| Variant | New MNR Small Pashi |
| Built | 1936-1940 |
| Manufacturers | Hitachi;Kisha Seizō |
| Wheel arrangement | 2C1 |
| Gauge | 1435 mm |
| Length | 21498 mm |
| Service mass | 91000 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | South Manchurian Railway Pashisa and Pashiha classNew MNR Small Pashi |
|---|---|
| Built | 1936-1940 |
| Manufacturers | Hitachi, Kisha Seizō |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | South Manchurian Railway Pashisa and Pashiha classNew MNR Small Pashi |
|---|---|
| Length | 21.50 m |
| Service mass | 91 t |
| Adhesion mass | 58.5 t |
| Water capacity | 24,000 l |
| Fuel capacity | 9.6 t (coal) |
Boiler
| Property | South Manchurian Railway Pashisa and Pashiha classNew MNR Small Pashi |
|---|---|
| Grate area | 4.57 m² |
| Firebox surface | 20.3 m² |
| Tube heating surface | 156.1 m² |
| Evaporative heating surface | 176.4 m² |
| Superheater surface | 44.6 m² |
| Total heating surface | 221.0 m² |
Power plant
| Property | South Manchurian Railway Pashisa and Pashiha classNew MNR Small Pashi |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 660 mm |
Power
| Property | South Manchurian Railway Pashisa and Pashiha classNew MNR Small Pashi |
|---|---|
| Power source | steam |
| Estimated power | 1,250 kW (1,700 PS) |
| Starting effort | 127.5 kN |
Calculated values
| Property | South Manchurian Railway Pashisa and Pashiha classNew MNR Small Pashi |
|---|---|
| Factor of adhesion | 1 : 4.50 |
| Optimal speed | 60 km/h |
| Power-to-weight ratio | 13.7 kW/t |
| Heating Surface Equivalent | 367.1 m² |
| Cylinder volume/HSE | 1 : 802.29 |
| Adhesive weight/Total | 1 : 1.56 |
| Tractive force/Heating surface | 1 : 12.05 |
| Grate area/Heating surface | 1 : 48.36 |
| Firebox/Tube surface | 1 : 7.69 |
| Total/Superheater | 1 : 3.96 |
