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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...
General
| Property | Ethiopian Railway No. 21 to 33Remove |
|---|---|
| Built | 1902-1903, 1914 |
| Manufacturers | SLM, SACM |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,000 mm (Meter gauge) |
Dimensions and weights
| Property | Ethiopian Railway No. 21 to 33Remove |
|---|---|
| Length loco | 8.59 m |
| Wheelbase | 5.56 m |
| Rigid wheelbase | 2.40 m |
| Empty weight | 32 t |
| Service weight | 36 t |
| Adhesive weight | 29.6 t |
| Axle load | 7.4 t |
| Total weight | 59.7 t |
| Water capacity | 10,500 l |
| Fuel capacity | 3.5 t (coal) |
Boiler
| Property | Ethiopian Railway No. 21 to 33Remove |
|---|---|
| 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 33Remove |
|---|---|
| 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 33Remove |
|---|---|
| Power source | steam |
| Estimated power | 250 kW (340 PS) |
| Starting effort | 74.2 kN |
| Starting effort simple | 89.1 kN |
Calculated values
| Property | Ethiopian Railway No. 21 to 33Remove |
|---|---|
| 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 |
