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Nigerian Railways class 806
The three 4-8-2 locomotives numbered 806 to 808 were built by Vulcan Foundry in 1930 for the Nigerian Railways with the works numbers 4423 to 4425. Like the 2-8-2 locomotives with the numbers 801 to 805 built by the s...
| Nigerian Railways class 806Remove | |
|---|---|
| Variant | Standard |
| Built | 1930 |
| Manufacturers | Vulcan Foundry |
| Wheel arrangement | 2D1 |
| Gauge | 1067 mm |
| Length | |
| Service mass | 91698 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Nigerian Railways class 806 Standard Remove |
|---|---|
| Built | 1930 |
| Manufacturers | Vulcan Foundry |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | Nigerian Railways class 806 Standard Remove |
|---|---|
| Wheelbase | 10.41 m |
| Total wheelbase | 18.61 m |
| Service mass | 91.7 t |
| Adhesion mass | 67.1 t |
| Total mass | 141 t |
| Rigid wheelbase | 4.50 m |
| Water capacity | 20,456 l |
| Fuel capacity | 8.1 t (coal) |
Boiler
| Property | Nigerian Railways class 806 Standard Remove |
|---|---|
| Grate area | 4.181 m² |
| Firebox surface | 20.253 m² |
| Tube heating surface | 207.638 m² |
| Evaporative heating surface | 227.891 m² |
| Superheater surface | 56.392 m² |
| Total heating surface | 284.3 m² |
Power plant
| Property | Nigerian Railways class 806 Standard Remove |
|---|---|
| Driver diameter | 1,372 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | three, 476 x 610 mm |
Power
| Property | Nigerian Railways class 806 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,193 kW (1,622 PS) |
| Starting effort | 177.2 kN |
Calculated values
| Property | Nigerian Railways class 806 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.71 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 13.0 kW/t |
| Heating Surface Equivalent | 441.9 m² |
| Cylinder volume/HSE | 1 : 737.16 |
| Adhesive weight/Total | 1 : 1.37 |
| Tractive force/Heating surface | 1 : 13.02 |
| Grate area/Heating surface | 1 : 67.99 |
| Firebox/Tube surface | 1 : 10.25 |
| Total/Superheater | 1 : 4.04 |
