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Imperial-Royal State Railways class 69
The class 69 of the kkStB was a 0-6-2 rack locomotive designed for iron ore traffic on the Erzberg Railway. This line had an incline of up to 7.1 percent and an Abt rack system. Although the mining operations were car...
General
| Property | Imperial-Royal State Railways class 69Remove |
|---|---|
| Built | 1890-1908 |
| Manufacturers | Floridsdorf |
| Wheel arrangement | 0-6-2RT (Webb) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Imperial-Royal State Railways class 69Remove |
|---|---|
| Length | 10.51 m |
| Wheelbase | 5.00 m |
| Service weight | 59 t |
| Adhesive weight | 44.1 t |
| Water capacity | 6,500 l |
| Fuel capacity | 2.5 t (coal) |
Boiler
| Property | Imperial-Royal State Railways class 69Remove |
|---|---|
| Grate area | 2.1 m² |
| Evaporative heating surface | 145 m² |
| Total heating surface | 145.0 m² |
Power plant
| Property | Imperial-Royal State Railways class 69Remove |
|---|---|
| Driver diameter | 1,030 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | four, 480 x 500 mm |
Power
| Property | Imperial-Royal State Railways class 69Remove |
|---|---|
| Power source | steam |
| Indicated power | 310 kW (421 PS) |
| Top speed | 30 km/h |
| Starting effort | 209.2 kN |
Calculated values
| Property | Imperial-Royal State Railways class 69Remove |
|---|---|
| Factor of adhesion | 1 : 2.07 |
| Optimal speed | 10 km/h |
| Power-to-weight ratio | 5.3 kW/t |
| Adhesive weight/Total | 1 : 1.34 |
| Tractive force/Heating surface | 1 : 30.13 |
| Grate area/Heating surface | 1 : 69.05 |
