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Baden II a
When the Crampton locomotives used for express trains on the Grand Duchy of Baden State Railways were no longer state of the art, a new express locomotive was developed from the class III passenger locomotives.
General
| Property | Baden II a 1891 variant |
|---|---|
| Built | 1891 |
| Manufacturers | MBG Karlsruhe |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Baden II a 1891 variant |
|---|---|
| Wheelbase | 5.50 m |
| Rigid wheelbase | 2.46 m |
| Total wheelbase | 11.60 m |
| Service weight | 46.8 t |
| Adhesive weight | 29.2 t |
| Axle load | 14.6 t |
| Water capacity | 11,500 l |
| Fuel capacity | 4 t (coal) |
Boiler
| Property | Baden II a 1891 variant |
|---|---|
| Grate area | 1.83 m² |
| Firebox surface | 8.3 m² |
| Tube heating surface | 113.1 m² |
| Evaporative heating surface | 121.4 m² |
| Total heating surface | 121.4 m² |
Power plant
| Property | Baden II a 1891 variant |
|---|---|
| Driver diameter | 1,860 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | Baden II a 1891 variant |
|---|---|
| Power source | steam |
| Estimated power | 375 kW (510 PS) |
| Top speed | 90 km/h |
| Starting effort | 58.2 kN |
Calculated values
| Property | Baden II a 1891 variant |
|---|---|
| Factor of adhesion | 1 : 4.92 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 8.0 kW/t |
| Heating Surface Equivalent | 162.9 m² |
| Cylinder volume/HSE | 1 : 1,228.46 |
| Adhesive weight/Total | 1 : 1.60 |
| Tractive force/Heating surface | 1 : 10.02 |
| Grate area/Heating surface | 1 : 66.34 |
| Firebox/Tube surface | 1 : 13.63 |
