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Imperial-Royal State Railways and Austrian Southern Railway class 206
The next step in the development of the 4-4-0 express locomotives after the classes 6 and 106 was the 206. Gölsdorf raised the position of the boiler in order to obtain a larger firebox heating surface . The result wa...
| Imperial-Royal State Railways and Austrian Southern Railway class 206Remove | |
|---|---|
| Variant | Standard |
| Built | 1903-1907 |
| Manufacturers | Wiener Neustadt;BMMF;Floridsdorf;StEG;MÁVAG |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | 16427 mm |
| Service mass | 54200 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 206 Standard Remove |
|---|---|
| Built | 1903-1907 |
| Manufacturers | Wiener Neustadt, BMMF, Floridsdorf, StEG, MÁVAG |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 206 Standard Remove |
|---|---|
| Length | 16.43 m |
| Wheelbase | 7.30 m |
| Total wheelbase | 12.99 m |
| Service mass | 54.2 t |
| Adhesion mass | 29 t |
| Rigid wheelbase | 2.80 m |
| Axle load | 14.5 t |
| Water capacity | 16,800 l |
| Fuel capacity | 5.8 t (coal) |
Boiler
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 206 Standard Remove |
|---|---|
| Grate area | 3 m² |
| Firebox surface | 12 m² |
| Tube heating surface | 123 m² |
| Evaporative heating surface | 135 m² |
| Total heating surface | 135.0 m² |
Power plant
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 206 Standard Remove |
|---|---|
| Driver diameter | 2,140 mm |
| Boiler pressure | 13 bar |
| Expansion type | compound |
| Cylinders | two, HP: 500 x 680 mm and LP: 760 x 680 mm |
Power
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 206 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 650 kW (884 PS) |
| Top speed | 90 km/h |
| Starting effort | 61.3 kN |
| Starting effort simple | 73.5 kN |
Calculated values
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 206 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.64 |
| Optimal speed | 64 km/h |
| Power-to-weight ratio | 12.0 kW/t |
| Heating Surface Equivalent | 195.0 m² |
| Cylinder volume/HSE | 1 : 1,475.68 |
| Adhesive weight/Total | 1 : 1.87 |
| Tractive force/Heating surface | 1 : 9.48 |
| Grate area/Heating surface | 1 : 45.00 |
| Firebox/Tube surface | 1 : 10.25 |
