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German Reichsbahn class 84
In the 1930s, the Müglitztalbahn in the Ore Mountains was converted from 750 mm gauge to standard gauge because more and more industrial companies were settling there and the narrow-gauge locomotives were no longer ab...
| German Reichsbahn class 84Remove | |
|---|---|
| Variant | 84 003 and 004 |
| Built | 1935-1937 |
| Manufacturers | O&K |
| Wheel arrangement | 1E1 t |
| Gauge | 1435 mm |
| Length | 15950 mm |
| Service mass | 125200 kg |
| Top speed | 80 km/h |
| Power | |
| Engine |
General
| Property | German Reichsbahn class 8484 003 and 004 |
|---|---|
| Built | 1935-1937 |
| Manufacturers | O&K |
| Wheel arrangement | 2-10-2T (Santa Fé) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | German Reichsbahn class 8484 003 and 004 |
|---|---|
| Length | 15.95 m |
| Wheelbase | 11.70 m |
| Empty mass | 100.9 t |
| Service mass | 125.2 t |
| Adhesion mass | 89.7 t |
| Rigid wheelbase | 3.70 m |
| Axle load | 18 t |
| Water capacity | 14,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | German Reichsbahn class 8484 003 and 004 |
|---|---|
| Grate area | 3.76 m² |
| Evaporative heating surface | 210 m² |
| Superheater surface | 85 m² |
| Total heating surface | 295.0 m² |
Power plant
| Property | German Reichsbahn class 8484 003 and 004 |
|---|---|
| Driver diameter | 1,400 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 600 x 660 mm |
Power
| Property | German Reichsbahn class 8484 003 and 004 |
|---|---|
| Power source | steam |
| Indicated power | 1,049 kW (1,426 PS) |
| Top speed | 80 km/h |
| Starting effort | 230.8 kN |
Calculated values
| Property | German Reichsbahn class 8484 003 and 004 |
|---|---|
| Factor of adhesion | 1 : 3.81 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 8.4 kW/t |
| Adhesive weight/Total | 1 : 1.40 |
| Tractive force/Heating surface | 1 : 16.34 |
| Grate area/Heating surface | 1 : 78.46 |
| Total/Superheater | 1 : 2.47 |
