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Chōsen Government Railway Pureha class
In Korea, 2-6-2 locomotives (Prairie) got the prefix “Pure”. The last of these locomotives introduced by Sentetsu was the Pureha. With a driver diameter of 1,520 mm (5 feet) , they were faster than their predecessors....
General
| Property | Chōsen Government Railway Pureha classRemove |
|---|---|
| Built | 1932, 1939 |
| Manufacturers | Gyeongseong, Hitachi, Kisha Seizō |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Chōsen Government Railway Pureha classRemove |
|---|---|
| Length | 10.93 m |
| Service weight | 67.7 t |
| Adhesive weight | 43.9 t |
| Water capacity | 5,000 l |
| Fuel capacity | 2 t (coal) |
Boiler
| Property | Chōsen Government Railway Pureha classRemove |
|---|---|
| Grate area | 2.4 m² |
| Firebox surface | 10.2 m² |
| Tube heating surface | 69.6 m² |
| Evaporative heating surface | 79.8 m² |
| Superheater surface | 24.5 m² |
| Total heating surface | 104.3 m² |
Power plant
| Property | Chōsen Government Railway Pureha classRemove |
|---|---|
| Driver diameter | 1,520 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | two, 410 x 610 mm |
Power
| Property | Chōsen Government Railway Pureha classRemove |
|---|---|
| Power source | steam |
| Estimated power | 750 kW (1,020 PS) |
| Top speed | 90 km/h |
| Starting effort | 80.3 kN |
Calculated values
| Property | Chōsen Government Railway Pureha classRemove |
|---|---|
| Factor of adhesion | 1 : 5.36 |
| Optimal speed | 58 km/h |
| Power-to-weight ratio | 11.1 kW/t |
| Heating Surface Equivalent | 179.8 m² |
| Cylinder volume/HSE | 1 : 895.83 |
| Adhesive weight/Total | 1 : 1.54 |
| Tractive force/Heating surface | 1 : 16.07 |
| Grate area/Heating surface | 1 : 43.46 |
| Firebox/Tube surface | 1 : 6.82 |
| Total/Superheater | 1 : 3.26 |
