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Bulgarian State Railway series 4500
As early as 1922, the Bulgarian State Railways had procured tank locomotives of the series 4000 with an 0-12-0 wheel arrangement from Hanomag for transporting the heavy coal trains from Pernik to Sofia. At the end of ...
| Bulgarian State Railway series 4500Remove | |
|---|---|
| Variant | model 1931 |
| Built | 1931 |
| Manufacturers | Cegielski |
| Wheel arrangement | 1F2 t |
| Gauge | 1435 mm |
| Length | 18205 mm |
| Service mass | 149050 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Bulgarian State Railway series 4500model 1931 |
|---|---|
| Built | 1931 |
| Manufacturers | Cegielski |
| Wheel arrangement | 2-12-4T (Bulgaria) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Bulgarian State Railway series 4500model 1931 |
|---|---|
| Length | 18.21 m |
| Wheelbase | 14.50 m |
| Empty mass | 111 t |
| Service mass | 149.1 t |
| Adhesion mass | 101.7 t |
| Rigid wheelbase | 4.65 m |
| Axle load | 17 t |
| Water capacity | 18,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | Bulgarian State Railway series 4500model 1931 |
|---|---|
| Grate area | 4.87 m² |
| Firebox surface | 17.42 m² |
| Tube heating surface | 206.65 m² |
| Evaporative heating surface | 224.07 m² |
| Superheater surface | 83.91 m² |
| Total heating surface | 308.0 m² |
Power plant
| Property | Bulgarian State Railway series 4500model 1931 |
|---|---|
| Driver diameter | 1,340 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 700 x 700 mm |
Power
| Property | Bulgarian State Railway series 4500model 1931 |
|---|---|
| Power source | steam |
| Estimated power | 1,550 kW (2,107 PS) |
| Starting effort | 348.1 kN |
Calculated values
| Property | Bulgarian State Railway series 4500model 1931 |
|---|---|
| Factor of adhesion | 1 : 2.87 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 10.4 kW/t |
| Heating Surface Equivalent | 479.0 m² |
| Cylinder volume/HSE | 1 : 1,124.83 |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 23.61 |
| Grate area/Heating surface | 1 : 63.24 |
| Firebox/Tube surface | 1 : 11.86 |
| Total/Superheater | 1 : 2.67 |
