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Imperial-Royal State Railways and Austrian Southern Railway class 9
In order to obtain a powerful express locomotive for mountainous routes, Gölsdorf had a 4-6-0 locomotive with 1,820 mm wheels built from 1898 onwards. An outside frame with inside cylinders was unusual for heavy steam...
General
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 9Remove |
|---|---|
| Built | 1898-1903 |
| Manufacturers | StEG, Floridsdorf, BMMF |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 9Remove |
|---|---|
| Length | 17.87 m |
| Length loco | 11.45 m |
| Wheelbase | 8.45 m |
| Rigid wheelbase | 3.90 m |
| Empty weight | 63.2 t |
| Service weight | 69.8 t |
| Adhesive weight | 44.1 t |
| Axle load | 14.4 t |
| Water capacity | 16,800 l |
| Fuel capacity | 6.8 t (coal) |
Boiler
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 9Remove |
|---|---|
| Grate area | 3.1 m² |
| Firebox surface | 15.5 m² |
| Tube heating surface | 172 m² |
| Evaporative heating surface | 187.5 m² |
| Total heating surface | 187.5 m² |
Power plant
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 9Remove |
|---|---|
| Driver diameter | 1,820 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | two, HP: 530 x 720 mm and LP: 810 x 720 mm |
Power
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 9Remove |
|---|---|
| Power source | steam |
| Estimated power | 735 kW (999 PS) |
| Top speed | 90 km/h |
| Starting effort | 92.6 kN |
| Starting effort simple | 111.1 kN |
Calculated values
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 9Remove |
|---|---|
| Factor of adhesion | 1 : 4.67 |
| Optimal speed | 48 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 265.0 m² |
| Cylinder volume/HSE | 1 : 1,299.45 |
| Adhesive weight/Total | 1 : 1.58 |
| Tractive force/Heating surface | 1 : 10.31 |
| Grate area/Heating surface | 1 : 60.48 |
| Firebox/Tube surface | 1 : 11.10 |
