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German Reichsbahn class 41
For fast freight service, the Reichsbahn chose the 2-8-2 wheel arrangement in order to be able to achieve the required power with an axle load of 18 tonnes. To increase the adhesive weight on main lines, the axle load...
| German Reichsbahn class 41Remove | |
|---|---|
| Variant | rebuilt Bundesbahn |
| Built | 1957-1961 |
| Manufacturers | BMAG;Borsig;Esslingen;Henschel;Jung;Krauss-Maffei;Krupp;O&K;Schichau |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | 23905 mm |
| Service mass | 109630 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | German Reichsbahn class 41rebuilt Bundesbahn |
|---|---|
| Built | 1957-1961 |
| Manufacturers | BMAG, Borsig, Esslingen, Henschel, Jung, Krauss-Maffei, Krupp, O&K, Schichau |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | German Reichsbahn class 41rebuilt Bundesbahn |
|---|---|
| Length | 23.91 m |
| Wheelbase | 12.05 m |
| Total wheelbase | 20.18 m |
| Service mass | 109.6 t |
| Adhesion mass | 77.8 t |
| Total mass | 166 t |
| Rigid wheelbase | 5.55 m |
| Axle load | 19.4 t |
| Water capacity | 34,000 l |
| Fuel capacity | 12,000 l (oil) |
Boiler
| Property | German Reichsbahn class 41rebuilt Bundesbahn |
|---|---|
| Grate area | 3.87 m² |
| Firebox surface | 21.22 m² |
| Tube heating surface | 156.32 m² |
| Evaporative heating surface | 177.54 m² |
| Superheater surface | 95.77 m² |
| Total heating surface | 273.3 m² |
Power plant
| Property | German Reichsbahn class 41rebuilt Bundesbahn |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 520 x 720 mm |
Power
| Property | German Reichsbahn class 41rebuilt Bundesbahn |
|---|---|
| Power source | steam |
| Indicated power | 1,453 kW (1,976 PS) |
| Top speed | 90 km/h |
| Starting effort | 165.5 kN |
Calculated values
| Property | German Reichsbahn class 41rebuilt Bundesbahn |
|---|---|
| Factor of adhesion | 1 : 4.61 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 13.3 kW/t |
| Heating Surface Equivalent | 475.2 m² |
| Cylinder volume/HSE | 1 : 643.58 |
| Adhesive weight/Total | 1 : 1.41 |
| Tractive force/Heating surface | 1 : 12.65 |
| Grate area/Heating surface | 1 : 70.62 |
| Firebox/Tube surface | 1 : 7.37 |
| Total/Superheater | 1 : 1.85 |
