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Emperor Ferdinand Northern Railway IVa, later Ia
![“Rakete[h]II[/h]” in its original state](/data/photosTN/KFNB_Ia_2.jpg)
In 1862, Sigl manufactured five 2-2-2 express locomotives for the KFNB. They were named “Rakete[h]II[/h]”, “Blitz[h]II[/h]”, “Komet[h]II[/h]”, “Vesta[h]II[/h]” and “Neptune[h]II[/h]”. They were initially classified as...
| Emperor Ferdinand Northern Railway IVa, later IaRemove | |
|---|---|
| Variant | rebuilt IIb 1 |
| Built | 1882-1883 |
| Manufacturers | Wiener Neustadt |
| Wheel arrangement | 1B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 37000 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Emperor Ferdinand Northern Railway IVa, later Iarebuilt IIb 1 |
|---|---|
| Built | 1882-1883 |
| Manufacturers | Wiener Neustadt |
| Wheel arrangement | 2-4-0 (Porter) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Emperor Ferdinand Northern Railway IVa, later Iarebuilt IIb 1 |
|---|---|
| Length loco | 8.47 m |
| Wheelbase | 4.58 m |
| Empty mass | 33 t |
| Service mass | 37 t |
| Adhesion mass | 25 t |
| Total mass | 61 t |
| Rigid wheelbase | 4.58 m |
| Axle load | 12.5 t |
| Water capacity | 9,600 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | Emperor Ferdinand Northern Railway IVa, later Iarebuilt IIb 1 |
|---|---|
| Grate area | 1.58 m² |
| Firebox surface | 6.8 m² |
| Tube heating surface | 102.1 m² |
| Evaporative heating surface | 108.9 m² |
| Total heating surface | 108.9 m² |
Power plant
| Property | Emperor Ferdinand Northern Railway IVa, later Iarebuilt IIb 1 |
|---|---|
| Driver diameter | 1,976 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 395 x 632 mm |
Power
| Property | Emperor Ferdinand Northern Railway IVa, later Iarebuilt IIb 1 |
|---|---|
| Power source | steam |
| Estimated power | 300 kW (408 PS) |
| Starting effort | 42.4 kN |
Calculated values
| Property | Emperor Ferdinand Northern Railway IVa, later Iarebuilt IIb 1 |
|---|---|
| Factor of adhesion | 1 : 5.78 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 8.1 kW/t |
| Heating Surface Equivalent | 142.9 m² |
| Cylinder volume/HSE | 1 : 1,083.92 |
| Adhesive weight/Total | 1 : 1.48 |
| Tractive force/Heating surface | 1 : 8.14 |
| Grate area/Heating surface | 1 : 68.92 |
| Firebox/Tube surface | 1 : 15.01 |
