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Imperial-Royal State Railways U
The U is a 0-6-2T narrow gauge locomotive built in larger numbers for several lines in Austria. The first ones were ordered by the Murtalbahn in 1894 that was operated by the kkStB. They were essentially an enlarged v...
| Imperial-Royal State Railways URemove | |
|---|---|
| Variant | Standard |
| Built | 1894-1922 |
| Manufacturers | Krauss Linz;StEG;BMMF;Wiener Neustadt;Floridsdorf |
| Wheel arrangement | C1 t |
| Gauge | 760;750 mm |
| Length | 7182 mm |
| Service mass | 24300 kg |
| Top speed | 35 km/h |
| Power | |
| Engine |
General
| Property | Imperial-Royal State Railways U Standard Remove |
|---|---|
| Built | 1894-1922 |
| Manufacturers | Krauss Linz, StEG, BMMF, Wiener Neustadt, Floridsdorf |
| Wheel arrangement | 0-6-2T (Webb) |
| Gauge | 760 mm; 750 mm |
Dimensions and weights
| Property | Imperial-Royal State Railways U Standard Remove |
|---|---|
| Length | 7.18 m |
| Wheelbase | 4.00 m |
| Empty mass | 18.3 t |
| Service mass | 24.3 t |
| Adhesion mass | 19.5 t |
| Rigid wheelbase | 1.20 m |
| Axle load | 6.5 t |
| Water capacity | 3,200 l |
| Fuel capacity | 1.4 t (coal) |
Boiler
| Property | Imperial-Royal State Railways U Standard Remove |
|---|---|
| Grate area | 1 m² |
| Firebox surface | 4.42 m² |
| Tube heating surface | 46.27 m² |
| Evaporative heating surface | 50.69 m² |
| Total heating surface | 50.7 m² |
Power plant
| Property | Imperial-Royal State Railways U Standard Remove |
|---|---|
| Driver diameter | 800 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 290 x 400 mm |
Power
| Property | Imperial-Royal State Railways U Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 160 kW (218 PS) |
| Top speed | 35 km/h |
| Starting effort | 42.9 kN |
Calculated values
| Property | Imperial-Royal State Railways U Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.46 |
| Optimal speed | 23 km/h |
| Power-to-weight ratio | 6.6 kW/t |
| Heating Surface Equivalent | 72.8 m² |
| Cylinder volume/HSE | 1 : 725.95 |
| Adhesive weight/Total | 1 : 1.25 |
| Tractive force/Heating surface | 1 : 17.67 |
| Grate area/Heating surface | 1 : 50.69 |
| Firebox/Tube surface | 1 : 10.47 |
