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German Reichsbahn class 39
The last passenger locomotive that was still designed by the Prussian State Railways was to be able to pull heavy express and passenger trains on low mountain ranges without double-heading. The drawings were made as e...
| German Reichsbahn class 39Remove | |
|---|---|
| Variant | Standard |
| Built | 1922-1927 |
| Manufacturers | Borsig |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | 22890 mm |
| Service mass | 110400 kg |
| Top speed | 110 km/h |
| Power | |
| Engine |
General
| Property | German Reichsbahn class 39 Standard Remove |
|---|---|
| Built | 1922-1927 |
| Manufacturers | Borsig |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | German Reichsbahn class 39 Standard Remove |
|---|---|
| Length | 22.89 m |
| Wheelbase | 11.60 m |
| Empty mass | 100.4 t |
| Service mass | 110.4 t |
| Adhesion mass | 75.7 t |
| Total mass | 175.5 t |
| Rigid wheelbase | 4.00 m |
| Axle load | 19.4 t |
| Water capacity | 31,500 l |
| Fuel capacity | 7 t (coal) |
Boiler
| Property | German Reichsbahn class 39 Standard Remove |
|---|---|
| Grate area | 4.07 m² |
| Firebox surface | 17.51 m² |
| Tube heating surface | 200.65 m² |
| Evaporative heating surface | 218.16 m² |
| Superheater surface | 82 m² |
| Total heating surface | 300.2 m² |
Power plant
| Property | German Reichsbahn class 39 Standard Remove |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | three, 520 x 660 mm |
Power
| Property | German Reichsbahn class 39 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,192 kW (1,621 PS) |
| Top speed | 110 km/h |
| Starting effort | 182.0 kN |
Calculated values
| Property | German Reichsbahn class 39 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.08 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 10.8 kW/t |
| Heating Surface Equivalent | 469.7 m² |
| Cylinder volume/HSE | 1 : 895.22 |
| Adhesive weight/Total | 1 : 1.46 |
| Tractive force/Heating surface | 1 : 12.67 |
| Grate area/Heating surface | 1 : 73.75 |
| Firebox/Tube surface | 1 : 11.46 |
| Total/Superheater | 1 : 2.66 |
