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Imperial-Royal State Railways class 29
The class 29 was the superheated variant of the class 229 two-cylinder compound 2-6-2T. The diameter of the high-pressure cylinder had been increased by 30 mm to account for the greater power. The water tanks had been...
| Imperial-Royal State Railways class 29Remove | |
|---|---|
| Variant | Standard |
| Built | 1912 |
| Manufacturers | BMMF;Floridsdorf |
| Wheel arrangement | 1C1 st |
| Gauge | 1435 mm |
| Length | 12016 mm |
| Service mass | 69300 kg |
| Top speed | 80 km/h |
| Power | |
| Engine |
General
| Property | Imperial-Royal State Railways class 29 Standard Remove |
|---|---|
| Built | 1912 |
| Manufacturers | BMMF, Floridsdorf |
| Wheel arrangement | 2-6-2ST (Prairie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Imperial-Royal State Railways class 29 Standard Remove |
|---|---|
| Length | 12.02 m |
| Wheelbase | 8.00 m |
| Empty mass | 53 t |
| Service mass | 69.3 t |
| Adhesion mass | 43.2 t |
| Rigid wheelbase | 4.00 m |
| Axle load | 14.4 t |
| Water capacity | 8,300 l |
| Fuel capacity | 3.1 t (coal) |
Boiler
| Property | Imperial-Royal State Railways class 29 Standard Remove |
|---|---|
| Grate area | 2 m² |
| Firebox surface | 9.4 m² |
| Tube heating surface | 78.7 m² |
| Evaporative heating surface | 88.1 m² |
| Superheater surface | 18.8 m² |
| Total heating surface | 106.9 m² |
Power plant
| Property | Imperial-Royal State Railways class 29 Standard Remove |
|---|---|
| Driver diameter | 1,614 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | two, HP: 450 x 720 mm and LP: 650 x 720 mm |
Power
| Property | Imperial-Royal State Railways class 29 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 650 kW (884 PS) |
| Top speed | 80 km/h |
| Starting effort | 72.7 kN |
| Starting effort simple | 87.2 kN |
Calculated values
| Property | Imperial-Royal State Railways class 29 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.83 |
| Optimal speed | 55 km/h |
| Power-to-weight ratio | 9.4 kW/t |
| Heating Surface Equivalent | 172.7 m² |
| Cylinder volume/HSE | 1 : 1,354.78 |
| Adhesive weight/Total | 1 : 1.60 |
| Tractive force/Heating surface | 1 : 14.20 |
| Grate area/Heating surface | 1 : 53.45 |
| Firebox/Tube surface | 1 : 8.37 |
| Total/Superheater | 1 : 4.69 |
