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Württemberg Tn
To cope with the ever heavier loads of freight trains on branch lines, tank locomotives with five coupled axles were already being used on other railways when the development of the class Tn was started in Württemberg...
General
| Property | Württemberg TnRemove |
|---|---|
| Built | 1921-1922 |
| Manufacturers | Esslingen |
| Wheel arrangement | 0-10-0T (Ten-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Württemberg TnRemove |
|---|---|
| Length | 11.03 m |
| Wheelbase | 5.16 m |
| Rigid wheelbase | 2.58 m |
| Empty weight | 48.3 t |
| Service weight | 64.4 t |
| Adhesive weight | 64.4 t |
| Axle load | 13 t |
| Water capacity | 8,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Württemberg TnRemove |
|---|---|
| Grate area | 1.97 m² |
| Firebox surface | 10.48 m² |
| Tube heating surface | 95.75 m² |
| Evaporative heating surface | 106.23 m² |
| Superheater surface | 57.2 m² |
| Total heating surface | 163.4 m² |
Power plant
| Property | Württemberg TnRemove |
|---|---|
| Driver diameter | 1,150 mm |
| Boiler pressure | 13 bar |
| Expansion type | simple expansion |
| Cylinders | two, 500 x 560 mm |
Power
| Property | Württemberg TnRemove |
|---|---|
| Power source | steam |
| Indicated power | 566 kW (770 PS) |
| Top speed | 50 km/h |
| Starting effort | 134.5 kN |
Calculated values
| Property | Württemberg TnRemove |
|---|---|
| Factor of adhesion | 1 : 4.69 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 8.8 kW/t |
| Heating Surface Equivalent | 273.0 m² |
| Cylinder volume/HSE | 1 : 805.45 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 17.19 |
| Grate area/Heating surface | 1 : 82.96 |
| Firebox/Tube surface | 1 : 9.14 |
| Total/Superheater | 1 : 1.86 |
