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Belgian Railway type 12bis
In order to be able to burn cheap coal with the smallest fragments, the Belgian State Railways needed a large firebox for their express locomotives. This also applied to the type 12bis, which was based on the type 12 ...
| Belgian Railway type 12bisRemove | |
|---|---|
| Variant | Standard |
| Built | 1897 |
| Manufacturers | Cockerill |
| Wheel arrangement | 1B1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 49200 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Belgian Railway type 12bis Standard Remove |
|---|---|
| Built | 1897 |
| Manufacturers | Cockerill |
| Wheel arrangement | 2-4-2 (Columbia) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Belgian Railway type 12bis Standard Remove |
|---|---|
| Length loco | 10.78 m |
| Wheelbase | 6.57 m |
| Empty mass | 46 t |
| Service mass | 49.2 t |
| Adhesion mass | 26.4 t |
| Total mass | 83.9 t |
| Rigid wheelbase | 6.57 m |
| Axle load | 13.5 t |
| Water capacity | 14,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Belgian Railway type 12bis Standard Remove |
|---|---|
| Grate area | 4.707 m² |
| Firebox surface | 12.5 m² |
| Tube heating surface | 112.175 m² |
| Evaporative heating surface | 124.675 m² |
| Total heating surface | 124.7 m² |
Power plant
| Property | Belgian Railway type 12bis Standard Remove |
|---|---|
| Driver diameter | 2,100 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 500 x 600 mm |
Power
| Property | Belgian Railway type 12bis Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 550 kW (748 PS) |
| Starting effort | 72.9 kN |
Calculated values
| Property | Belgian Railway type 12bis Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.55 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 11.2 kW/t |
| Heating Surface Equivalent | 187.2 m² |
| Cylinder volume/HSE | 1 : 1,258.82 |
| Adhesive weight/Total | 1 : 1.87 |
| Tractive force/Heating surface | 1 : 12.21 |
| Grate area/Heating surface | 1 : 26.49 |
| Firebox/Tube surface | 1 : 8.97 |
