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Belgian Railway type 12
In 1939, the Belgian State Railways ordered Cockerill to build six streamlined Atlantics to speed up express trains between Brussels and Ostend. While this wheel arrangement was already unusual at the time, the inside...
| Belgian Railway type 12Remove | |
|---|---|
| Variant | Standard |
| Built | 1939 |
| Manufacturers | Cockerill |
| Wheel arrangement | 2B1 |
| Gauge | 1435 mm |
| Length | 21190 mm |
| Service mass | 89000 kg |
| Top speed | 140 km/h |
| Power | |
| Engine |
General
| Property | Belgian Railway type 12 Standard Remove |
|---|---|
| Built | 1939 |
| Manufacturers | Cockerill |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Belgian Railway type 12 Standard Remove |
|---|---|
| Length | 21.19 m |
| Wheelbase | 9.89 m |
| Total wheelbase | 17.52 m |
| Service mass | 89 t |
| Adhesion mass | 45.8 t |
| Rigid wheelbase | 2.30 m |
| Axle load | 23.6 t |
| Water capacity | 24,000 l |
| Fuel capacity | 8 t (coal) |
Boiler
| Property | Belgian Railway type 12 Standard Remove |
|---|---|
| Grate area | 3.72 m² |
| Evaporative heating surface | 160.6 m² |
| Superheater surface | 63 m² |
| Total heating surface | 223.6 m² |
Power plant
| Property | Belgian Railway type 12 Standard Remove |
|---|---|
| Driver diameter | 2,100 mm |
| Boiler pressure | 18 bar |
| Expansion type | simple expansion |
| Cylinders | two, 480 x 720 mm |
Power
| Property | Belgian Railway type 12 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,840 kW (2,502 PS) |
| Top speed | 140 km/h |
| Starting effort | 120.9 kN |
Calculated values
| Property | Belgian Railway type 12 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.72 |
| Optimal speed | 93 km/h |
| Power-to-weight ratio | 20.7 kW/t |
| Adhesive weight/Total | 1 : 1.94 |
| Tractive force/Heating surface | 1 : 11.29 |
| Grate area/Heating surface | 1 : 60.11 |
| Total/Superheater | 1 : 2.55 |
