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German Reichsbahn class 50
The class 50 was developed to be able to replace the heaviest freight locomotives with low axle loading from the various state railways. With the wheel arrangement 2-10-0, it had a considerable size, but due to the ax...
General
| Property | German Reichsbahn class 50Remove |
|---|---|
| Built | 1939-1948 |
| Manufacturers | Henschel, BMAG, Floridsdorf, Krupp, Krauss-Maffei, Borsig, O&K, Schichau, Jung, Esslingen, Škoda, ČKD, DWM, Ostrowiece, Hainaut, Tubize, Cockerill, La Meuse, Haine-Saint-Pierre, Anglo-Franco-Belge, l’Énergie, Reșița, Malaxa |
| Wheel arrangement | 2-10-0 (Decapod) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | German Reichsbahn class 50Remove |
|---|---|
| Length | 22.94 m |
| Wheelbase | 9.20 m |
| Rigid wheelbase | 3.30 m |
| Empty weight | 78.6 t |
| Service weight | 86.9 t |
| Adhesive weight | 75.3 t |
| Axle load | 15.2 t |
| Total weight | 146.4 t |
| Water capacity | 26,000 l |
| Fuel capacity | 8 t (coal) |
Boiler
| Property | German Reichsbahn class 50Remove |
|---|---|
| Grate area | 3.89 m² |
| Firebox surface | 15.9 m² |
| Tube heating surface | 161.93 m² |
| Evaporative heating surface | 177.83 m² |
| Superheater surface | 68.94 m² |
| Total heating surface | 246.8 m² |
Power plant
| Property | German Reichsbahn class 50Remove |
|---|---|
| Driver diameter | 1,400 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 600 x 660 mm |
Power
| Property | German Reichsbahn class 50Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,195 kW (1,625 PS) |
| Top speed | 80 km/h |
| Starting effort | 230.8 kN |
Calculated values
| Property | German Reichsbahn class 50Remove |
|---|---|
| Factor of adhesion | 1 : 3.20 |
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 13.8 kW/t |
| Heating Surface Equivalent | 395.2 m² |
| Cylinder volume/HSE | 1 : 944.36 |
| Adhesive weight/Total | 1 : 1.15 |
| Tractive force/Heating surface | 1 : 19.53 |
| Grate area/Heating surface | 1 : 63.44 |
| Firebox/Tube surface | 1 : 10.18 |
| Total/Superheater | 1 : 2.58 |
