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Imperial-Royal State Railways and Austrian Southern Railway class 108
In 1901, Karl Gölsdorf had the class 108 built, which was the first Atlantic in Austria-Hungary with a four-cylinder compound engine. The requirement was to accommodate a powerful express locomotive with the largest p...
General
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 108Remove |
|---|---|
| Built | 1901-1910 |
| Manufacturers | BMMF, Wiener Neustadt, StEG |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 108Remove |
|---|---|
| Length | 19.48 m |
| Length loco | 11.45 m |
| Wheelbase | 10.62 m |
| Rigid wheelbase | 2.80 m |
| Total wheelbase | 16.44 m |
| Service weight | 68.3 t |
| Adhesive weight | 29 t |
| Axle load | 14.5 t |
| Total weight | 118.3 t |
| Water capacity | 21,000 l |
| Fuel capacity | 6.8 t (coal) |
Boiler
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 108Remove |
|---|---|
| Grate area | 3.53 m² |
| Firebox surface | 16 m² |
| Tube heating surface | 215 m² |
| Evaporative heating surface | 231 m² |
| Total heating surface | 231.0 m² |
Power plant
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 108Remove |
|---|---|
| Driver diameter | 2,140 mm |
| Boiler pressure | 15 bar |
| Expansion type | compound |
| Cylinders | four, HP: 350 x 680 mm and LP: 600 x 680 mm |
Power
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 108Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,030 kW (1,400 PS) |
| Top speed | 100 km/h |
| Starting effort | 74.1 kN |
| Starting effort simple | 88.9 kN |
Calculated values
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 108Remove |
|---|---|
| Factor of adhesion | 1 : 3.84 |
| Optimal speed | 85 km/h |
| Power-to-weight ratio | 15.1 kW/t |
| Heating Surface Equivalent | 311.0 m² |
| Cylinder volume/HSE | 1 : 1,038.95 |
| Adhesive weight/Total | 1 : 2.36 |
| Tractive force/Heating surface | 1 : 6.70 |
| Grate area/Heating surface | 1 : 65.44 |
| Firebox/Tube surface | 1 : 13.44 |
