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Imperial-Royal State Railways and Austrian Southern Railway class 429
The class 429 passenger locomotive of the kkStB was introduced in 1909 after superheater technology had established itself in Austria. It was developed from the 2-6-2 class 329 and looked very similar to that. The smo...
| Imperial-Royal State Railways and Austrian Southern Railway class 429Remove | |
|---|---|
| Variant | |
| Built | 1909-1916 |
| Manufacturers | Wiener Neustadt;StEG;Floridsdorf |
| Wheel arrangement | 1C1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 61200 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 429Remove |
|---|---|
| Built | 1909-1916 |
| Manufacturers | Wiener Neustadt, StEG, Floridsdorf |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 429Remove |
|---|---|
| Length loco | 10.55 m |
| Wheelbase | 8.03 m |
| Total wheelbase | 13.80 m |
| Empty mass | 55.1 t |
| Service mass | 61.2 t |
| Adhesion mass | 43 t |
| Rigid wheelbase | 4.00 m |
| Axle load | 14.3 t |
Boiler
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 429Remove |
|---|---|
| Grate area | 3 m² |
| Firebox surface | 14.2 m² |
| Tube heating surface | 85.6 m² |
| Evaporative heating surface | 99.8 m² |
| Superheater surface | 28.25 m² |
| Total heating surface | 128.1 m² |
Power plant
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 429Remove |
|---|---|
| Driver diameter | 1,614 mm |
| Boiler pressure | 15 bar |
| Expansion type | compound |
| Cylinders | two, HP: 475 x 720 mm and LP: 690 x 720 mm |
Power
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 429Remove |
|---|---|
| Power source | steam |
| Estimated power | 900 kW (1,224 PS) |
| Top speed | 90 km/h |
| Starting effort | 87.1 kN |
| Starting effort simple | 104.5 kN |
Calculated values
| Property | Imperial-Royal State Railways and Austrian Southern Railway class 429Remove |
|---|---|
| Factor of adhesion | 1 : 4.84 |
| Optimal speed | 63 km/h |
| Power-to-weight ratio | 14.7 kW/t |
| Heating Surface Equivalent | 227.3 m² |
| Cylinder volume/HSE | 1 : 1,153.55 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 14.20 |
| Grate area/Heating surface | 1 : 42.68 |
| Firebox/Tube surface | 1 : 6.03 |
| Total/Superheater | 1 : 3.53 |
