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Sudan Railways class 180
In 1924, the Sudan Government Railways received ten Mikados from Robert Stephenson & Co. and numbered them 180 to 189. They were designed by C.G. Hodgson and compared to the Mikados delivered by North British in 1921,...
General
| Property | Sudan Railways class 180Remove |
|---|---|
| Built | 1924 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | Sudan Railways class 180Remove |
|---|---|
| Wheelbase | 8.56 m |
| Rigid wheelbase | 4.27 m |
| Total wheelbase | 16.21 m |
| Service weight | 62.1 t |
| Adhesive weight | 44.5 t |
| Axle load | 11.2 t |
| Total weight | 111.1 t |
| Water capacity | 18,185 l |
| Fuel capacity | 8.1 t (coal) |
Boiler
| Property | Sudan Railways class 180Remove |
|---|---|
| Grate area | 2.415 m² |
| Firebox surface | 14.4 m² |
| Tube heating surface | 93.832 m² |
| Evaporative heating surface | 108.232 m² |
| Superheater surface | 24.155 m² |
| Total heating surface | 132.4 m² |
Power plant
| Property | Sudan Railways class 180Remove |
|---|---|
| Driver diameter | 1,295 mm |
| Boiler pressure | 11.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 610 mm |
Power
| Property | Sudan Railways class 180Remove |
|---|---|
| Power source | steam |
| Estimated power | 746 kW (1,014 PS) |
| Starting effort | 106.0 kN |
Calculated values
| Property | Sudan Railways class 180Remove |
|---|---|
| Factor of adhesion | 1 : 4.11 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 12.0 kW/t |
| Heating Surface Equivalent | 228.5 m² |
| Cylinder volume/HSE | 1 : 975.83 |
| Adhesive weight/Total | 1 : 1.40 |
| Tractive force/Heating surface | 1 : 16.72 |
| Grate area/Heating surface | 1 : 54.82 |
| Firebox/Tube surface | 1 : 6.52 |
| Total/Superheater | 1 : 4.48 |
