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China Railway class JS
A few years after the revolution, China Railway developed a Mikado that would be built in large numbers. The chassis of the JF1 class, which had been built since 1918, was used as the basis. It received a modern boile...
| China Railway class JSRemove | |
|---|---|
| Variant | Standard |
| Built | 1957-1965, 1981-1988 |
| Manufacturers | Dalian;Qishuyan;Datong;Beijing |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 104300 kg |
| Top speed | 85 km/h |
| Power | |
| Engine |
General
| Property | China Railway class JS Standard Remove |
|---|---|
| Built | 1957-1965, 1981-1988 |
| Manufacturers | Dalian, Qishuyan, Datong, Beijing |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | China Railway class JS Standard Remove |
|---|---|
| Wheelbase | 10.19 m |
| Total wheelbase | 20.49 m |
| Empty mass | 91.3 t |
| Service mass | 104.3 t |
| Adhesion mass | 79.8 t |
| Total mass | 188.3 t |
| Rigid wheelbase | 4.42 m |
| Axle load | 20 t |
| Water capacity | 35,000 l |
| Fuel capacity | 17 t (coal) |
Boiler
| Property | China Railway class JS Standard Remove |
|---|---|
| Grate area | 5.11 m² |
| Evaporative heating surface | 180.67 m² |
| Superheater surface | 89.13 m² |
| Total heating surface | 269.8 m² |
Power plant
| Property | China Railway class JS Standard Remove |
|---|---|
| Driver diameter | 1,370 mm |
| Boiler pressure | 15 bar |
| Expansion type | simple expansion |
| Cylinders | two, 580 x 710 mm |
Power
| Property | China Railway class JS Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,690 kW (2,298 PS) |
| Top speed | 85 km/h |
| Starting effort | 222.3 kN |
Calculated values
| Property | China Railway class JS Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.52 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 16.2 kW/t |
| Adhesive weight/Total | 1 : 1.31 |
| Tractive force/Heating surface | 1 : 17.21 |
| Grate area/Heating surface | 1 : 52.80 |
| Total/Superheater | 1 : 2.03 |
