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Japanese Government Railways classes D52 and C62
In World War II, Japan did not only have growing freight volumes, but also had to move lots of freight traffic from the sea onto the land as protection against attacks. So they designed the D52 that was a Mikado with ...
General
| Property | Japanese Government Railways classes D52 and C62 rebuilt C62 |
|---|---|
| Built | 1948-1949 |
| Manufacturers | Kisha Seizō, Nippon Sharyō, Kawasaki, Hitachi, Mitsubishi |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | Japanese Government Railways classes D52 and C62 rebuilt C62 |
|---|---|
| Length | 21.48 m |
| Service weight | 88.8 t |
| Adhesive weight | 48.2 t |
| Axle load | 16.1 t |
| Total weight | 145.2 t |
| Water capacity | 22,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | Japanese Government Railways classes D52 and C62 rebuilt C62 |
|---|---|
| Grate area | 3.85 m² |
| Firebox surface | 20.1 m² |
| Tube heating surface | 147.7 m² |
| Evaporative heating surface | 167.8 m² |
| Superheater surface | 77.4 m² |
| Total heating surface | 245.2 m² |
Power plant
| Property | Japanese Government Railways classes D52 and C62 rebuilt C62 |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 520 x 660 mm |
Power
| Property | Japanese Government Railways classes D52 and C62 rebuilt C62 |
|---|---|
| Power source | steam |
| Indicated power | 1,591 kW (2,163 PS) |
| Top speed | 110 km/h |
| Starting effort | 138.7 kN |
Calculated values
| Property | Japanese Government Railways classes D52 and C62 rebuilt C62 |
|---|---|
| Factor of adhesion | 1 : 3.41 |
| Optimal speed | 71 km/h |
| Power-to-weight ratio | 17.9 kW/t |
| Heating Surface Equivalent | 423.1 m² |
| Cylinder volume/HSE | 1 : 662.56 |
| Adhesive weight/Total | 1 : 1.84 |
| Tractive force/Heating surface | 1 : 11.81 |
| Grate area/Heating surface | 1 : 63.69 |
| Firebox/Tube surface | 1 : 7.35 |
| Total/Superheater | 1 : 2.17 |
