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Bavarian D VII
In addition to the D VI, six-coupled tank locomotives were also procured for steeper local railway routes. While the smaller D VI was built by both Maffei and Krauss from the start, these manufacturers supplied two di...
| Bavarian D VIIRemove | |
|---|---|
| Variant | 1880 variant |
| Built | 1880-1885 |
| Manufacturers | Maffei;Krauss |
| Wheel arrangement | C t |
| Gauge | 1435 mm |
| Length | 7550 mm |
| Service mass | 26700 kg |
| Top speed | 45 km/h |
| Power | |
| Engine |
General
| Property | Bavarian D VII1880 variant |
|---|---|
| Built | 1880-1885 |
| Manufacturers | Maffei, Krauss |
| Wheel arrangement | 0-6-0T (Six-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Bavarian D VII1880 variant |
|---|---|
| Length | 7.55 m |
| Empty mass | 18.2 t |
| Service mass | 26.7 t |
| Adhesion mass | 26.7 t |
| Axle load | 8.9 t |
| Water capacity | 3,200 l |
| Fuel capacity | 0.8 t (coal) |
Boiler
| Property | Bavarian D VII1880 variant |
|---|---|
| Grate area | 0.83 m² |
| Evaporative heating surface | 50.16 m² |
| Total heating surface | 50.2 m² |
Power plant
| Property | Bavarian D VII1880 variant |
|---|---|
| Driver diameter | 1,006 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 330 x 508 mm |
Power
| Property | Bavarian D VII1880 variant |
|---|---|
| Power source | steam |
| Indicated power | 130 kW (177 PS) |
| Top speed | 45 km/h |
| Starting effort | 56.1 kN |
Calculated values
| Property | Bavarian D VII1880 variant |
|---|---|
| Factor of adhesion | 1 : 4.67 |
| Optimal speed | 14 km/h |
| Power-to-weight ratio | 4.9 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 23.36 |
| Grate area/Heating surface | 1 : 60.43 |
