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Ethiopian Railway No. 21 to 33
The first four Consolidations No. 21 to 24 delivered to Ethiopia had been ordered by the Swiss Alfred Ilg from the SLM in 1902 and 1903. They were metre-gauge, two-cylinder cross-compound locomotives with a driver dia...
| Ethiopian Railway No. 21 to 33Remove | |
|---|---|
| Variant | Standard |
| Built | 1902-1903, 1914 |
| Manufacturers | SLM;SACM |
| Wheel arrangement | 1D |
| Gauge | 1000 mm |
| Length | |
| Service mass | 36000 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Ethiopian Railway No. 21 to 33 Standard Remove |
|---|---|
| Built | 1902-1903, 1914 |
| Manufacturers | SLM, SACM |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Ethiopian Railway No. 21 to 33 Standard Remove |
|---|---|
| Length loco | 8.59 m |
| Wheelbase | 5.56 m |
| Empty mass | 32 t |
| Service mass | 36 t |
| Adhesion mass | 29.6 t |
| Total mass | 59.7 t |
| Rigid wheelbase | 2.40 m |
| Axle load | 7.4 t |
| Water capacity | 10,500 l |
| Fuel capacity | 3.5 t (coal) |
Boiler
| Property | Ethiopian Railway No. 21 to 33 Standard Remove |
|---|---|
| Grate area | 1.29 m² |
| Firebox surface | 6 m² |
| Tube heating surface | 67.6 m² |
| Evaporative heating surface | 73.6 m² |
| Total heating surface | 73.6 m² |
Power plant
| Property | Ethiopian Railway No. 21 to 33 Standard Remove |
|---|---|
| Driver diameter | 1,000 mm |
| Boiler pressure | 13 bar |
| Expansion type | compound |
| Cylinders | two, HP: 420 x 550 mm and LP: 630 x 550 mm |
Power
| Property | Ethiopian Railway No. 21 to 33 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 250 kW |
| Starting effort | 74.2 kN |
| Starting effort simple | 89.1 kN |
Calculated values
| Property | Ethiopian Railway No. 21 to 33 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.91 |
| Optimal speed | 21 km/h |
| Power-to-weight ratio | 6.9 kW/t |
| Heating Surface Equivalent | 103.6 m² |
| Cylinder volume/HSE | 1 : 1,562.97 |
| Adhesive weight/Total | 1 : 1.22 |
| Tractive force/Heating surface | 1 : 21.06 |
| Grate area/Heating surface | 1 : 57.05 |
| Firebox/Tube surface | 1 : 11.27 |
