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Bosnian-Herzegovinian Railway class IVa5
After several locomotives had been built in smaller numbers for the narrow-gauge lines in Austria-Hungary, the breakthrough as a standard locomotive was achieved with the IVa5. It was built as a tender locomotive with...
| Bosnian-Herzegovinian Railway class IVa5Remove | |
|---|---|
| Variant | compound |
| Built | 1903-1949 |
| Manufacturers | Krauss Linz;MÁVAG;Jung;Đuro Đaković |
| Wheel arrangement | D1 |
| Gauge | 760;1000 mm |
| Length | 13700 mm |
| Service mass | 36600 kg |
| Top speed | 35 km/h |
| Power | |
| Engine |
General
| Property | Bosnian-Herzegovinian Railway class IVa5compound |
|---|---|
| Built | 1903-1949 |
| Manufacturers | Krauss Linz, MÁVAG, Jung, Đ, uro Đ, aković |
| Wheel arrangement | 0-8-2 (River Irt) |
| Gauge | 760 mm; 1,000 mm |
Dimensions and weights
| Property | Bosnian-Herzegovinian Railway class IVa5compound |
|---|---|
| Length | 13.70 m |
| Service mass | 36.6 t |
| Adhesion mass | 32 t |
| Total mass | 52 t |
Boiler
| Property | Bosnian-Herzegovinian Railway class IVa5compound |
|---|---|
| Grate area | 1.75 m² |
| Firebox surface | 6.4 m² |
| Tube heating surface | 105 m² |
| Evaporative heating surface | 111.4 m² |
| Total heating surface | 111.4 m² |
Power plant
| Property | Bosnian-Herzegovinian Railway class IVa5compound |
|---|---|
| Driver diameter | 900 mm |
| Boiler pressure | 13 bar |
| Expansion type | compound |
| Cylinders | two, HP: 370 x 450 mm and LP: 550 x 450 mm |
Power
| Property | Bosnian-Herzegovinian Railway class IVa5compound |
|---|---|
| Power source | steam |
| Estimated power | 400 kW |
| Top speed | 35 km/h |
| Starting effort | 52.1 kN |
| Starting effort simple | 62.5 kN |
Calculated values
| Property | Bosnian-Herzegovinian Railway class IVa5compound |
|---|---|
| Factor of adhesion | 1 : 6.03 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 10.9 kW/t |
| Heating Surface Equivalent | 143.4 m² |
| Cylinder volume/HSE | 1 : 710.19 |
| Adhesive weight/Total | 1 : 1.14 |
| Tractive force/Heating surface | 1 : 9.76 |
| Grate area/Heating surface | 1 : 63.66 |
| Firebox/Tube surface | 1 : 16.41 |
