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Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178
The rising tourist traffic on the Schneeberg Railway that had originally been built for coal traffic prompted their operators to procure powerful tank locomotives with a light axle load . So starting in 1900, the EWA ...
| Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove | |
|---|---|
| Variant | |
| Built | 1921 |
| Manufacturers | Krauss-Maffei;Wiener Neustadt;Floridsdorf;BMMF |
| Wheel arrangement | D t |
| Gauge | 1435 mm |
| Length | 9358 mm |
| Service mass | 46000 kg |
| Top speed | 50 km/h |
| Power | |
| Engine |
General
| Property | Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove |
|---|---|
| Built | 1921 |
| Manufacturers | Krauss-Maffei, Wiener Neustadt, Floridsdorf, BMMF |
| Wheel arrangement | 0-8-0T (Eight-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove |
|---|---|
| Length | 9.36 m |
| Wheelbase | 3.70 m |
| Service mass | 46 t |
| Adhesion mass | 46 t |
| Rigid wheelbase | 2.47 m |
| Axle load | 11.5 t |
| Water capacity | 5,200 l |
| Fuel capacity | 1.5 t (coal) |
Boiler
| Property | Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove |
|---|---|
| Grate area | 1.61 m² |
| Firebox surface | 6.55 m² |
| Tube heating surface | 80.3 m² |
| Evaporative heating surface | 86.85 m² |
| Total heating surface | 86.9 m² |
Power plant
| Property | Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove |
|---|---|
| Driver diameter | 1,140 mm |
| Boiler pressure | 13 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 570 mm |
Power
| Property | Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove |
|---|---|
| Power source | steam |
| Indicated power | 420 kW (571 PS) |
| Top speed | 50 km/h |
| Starting effort | 97.5 kN |
Calculated values
| Property | Wien-Aspang Railway IVd and Imperial-Royal State Railways class 178Remove |
|---|---|
| Factor of adhesion | 1 : 4.63 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 9.1 kW/t |
| Heating Surface Equivalent | 119.6 m² |
| Cylinder volume/HSE | 1 : 1,320.57 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 23.44 |
| Grate area/Heating surface | 1 : 53.94 |
| Firebox/Tube surface | 1 : 12.26 |
