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South Manchurian Railway No. 701 to 712
These twelve Mikados were built by Baldwin in 1918 for express freight service. They were classified by Baldwin as type 12-38 ¼ E, what stands for twelve wheels, eight of these powered, trucks in the front and rear, a...
General
| Property | South Manchurian Railway No. 701 to 712Remove |
|---|---|
| Built | 1918 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | South Manchurian Railway No. 701 to 712Remove |
|---|---|
| Wheelbase | 9.65 m |
| Rigid wheelbase | 4.57 m |
| Total wheelbase | 19.22 m |
| Service weight | 89.8 t |
| Adhesive weight | 69.9 t |
| Axle load | 17.5 t |
| Total weight | 144.2 t |
| Water capacity | 22,712 l |
| Fuel capacity | 12.7 t (coal) |
Boiler
| Property | South Manchurian Railway No. 701 to 712Remove |
|---|---|
| Grate area | 4.339 m² |
| Firebox surface | 17.466 m² |
| Tube heating surface | 221.76 m² |
| Evaporative heating surface | 239.226 m² |
| Superheater surface | 56.857 m² |
| Total heating surface | 296.1 m² |
Power plant
| Property | South Manchurian Railway No. 701 to 712Remove |
|---|---|
| Driver diameter | 1,448 mm |
| Boiler pressure | 12.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 711 mm |
Power
| Property | South Manchurian Railway No. 701 to 712Remove |
|---|---|
| Power source | steam |
| Starting effort | 166.3 kN |
Calculated values
| Property | South Manchurian Railway No. 701 to 712Remove |
|---|---|
| Factor of adhesion | 1 : 4.12 |
| Heating Surface Equivalent | 440.3 m² |
| Cylinder volume/HSE | 1 : 792.33 |
| Adhesive weight/Total | 1 : 1.29 |
| Tractive force/Heating surface | 1 : 11.73 |
| Grate area/Heating surface | 1 : 68.24 |
| Firebox/Tube surface | 1 : 12.70 |
| Total/Superheater | 1 : 4.21 |
