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German Reichsbahn class 42
The class 42 or KDL 3 war locomotive was a compromise between the class 52 war locomotive (KDL 1) and the class 44 heavy freight locomotive. It was developed because the class 52 did not always have sufficient power f...
| German Reichsbahn class 42Remove | |
|---|---|
| Variant | Standard |
| Built | 1943-1949 |
| Manufacturers | GGL |
| Wheel arrangement | 1E |
| Gauge | 1435 mm |
| Length | 23000 mm |
| Service mass | 96600 kg |
| Top speed | 80 km/h |
| Power | |
| Engine |
General
| Property | German Reichsbahn class 42 Standard Remove |
|---|---|
| Built | 1943-1949 |
| Manufacturers | GGL |
| Wheel arrangement | 2-10-0 (Decapod) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | German Reichsbahn class 42 Standard Remove |
|---|---|
| Length | 23.00 m |
| Wheelbase | 9.20 m |
| Service mass | 96.6 t |
| Adhesion mass | 85.5 t |
| Rigid wheelbase | 3.30 m |
| Axle load | 17.6 t |
| Water capacity | 32,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | German Reichsbahn class 42 Standard Remove |
|---|---|
| Grate area | 4.7 m² |
| Firebox surface | 19.3 m² |
| Tube heating surface | 180.24 m² |
| Evaporative heating surface | 199.54 m² |
| Superheater surface | 75.68 m² |
| Total heating surface | 275.2 m² |
Power plant
| Property | German Reichsbahn class 42 Standard Remove |
|---|---|
| Driver diameter | 1,400 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 630 x 660 mm |
Power
| Property | German Reichsbahn class 42 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,325 kW (1,801 PS) |
| Top speed | 80 km/h |
| Starting effort | 254.5 kN |
Calculated values
| Property | German Reichsbahn class 42 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.30 |
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 13.7 kW/t |
| Heating Surface Equivalent | 447.4 m² |
| Cylinder volume/HSE | 1 : 919.71 |
| Adhesive weight/Total | 1 : 1.13 |
| Tractive force/Heating surface | 1 : 19.31 |
| Grate area/Heating surface | 1 : 58.56 |
| Firebox/Tube surface | 1 : 9.34 |
| Total/Superheater | 1 : 2.64 |
