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German Reichsbahn class 02
As already described for the 01, when the first standard express locomotive was being constructed, it was not yet certain which type of engine would be the best. Thus the 02 was created as an alternative to the 01 in ...
General
| Property | German Reichsbahn class 02Remove |
|---|---|
| Built | 1925-1926 |
| Manufacturers | Henschel, Maffei |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | German Reichsbahn class 02Remove |
|---|---|
| Length | 23.75 m |
| Length loco | 14.90 m |
| Wheelbase | 12.40 m |
| Rigid wheelbase | 4.60 m |
| Total wheelbase | 20.32 m |
| Empty weight | 103.9 t |
| Service weight | 113.5 t |
| Adhesive weight | 60.3 t |
| Axle load | 20.2 t |
| Total weight | 181.5 t |
| Water capacity | 32,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | German Reichsbahn class 02Remove |
|---|---|
| Grate area | 4.41 m² |
| Firebox surface | 17 m² |
| Tube heating surface | 220.56 m² |
| Evaporative heating surface | 237.56 m² |
| Superheater surface | 100 m² |
| Total heating surface | 337.6 m² |
Power plant
| Property | German Reichsbahn class 02Remove |
|---|---|
| Driver diameter | 2,000 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 460 x 660 mm and LP: 720 x 660 mm |
Power
| Property | German Reichsbahn class 02Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,692 kW (2,300 PS) |
| Top speed | 130 km/h |
| Starting effort | 134.9 kN |
| Starting effort simple | 161.9 kN |
Calculated values
| Property | German Reichsbahn class 02Remove |
|---|---|
| Factor of adhesion | 1 : 4.39 |
| Optimal speed | 77 km/h |
| Power-to-weight ratio | 14.9 kW/t |
| Heating Surface Equivalent | 522.6 m² |
| Cylinder volume/HSE | 1 : 934.04 |
| Adhesive weight/Total | 1 : 1.88 |
| Tractive force/Heating surface | 1 : 8.35 |
| Grate area/Heating surface | 1 : 76.54 |
| Firebox/Tube surface | 1 : 12.97 |
| Total/Superheater | 1 : 2.38 |
