UZB - Pest to Pozsony

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UZB - Pest to Pozsony / SöStB - Pest to Pozsony / StEG I 51–54 / StEG II 2
Pest.jpg
Numbering: SöStB 2–5
StEG I 51–54
StEG II 2
Number: 4th
Manufacturer: Cockerill / Seraing
Year of construction (s): 1845
Retirement: 1865,> 1873
Axis formula : 2'A n2
Gauge : 1435 mm ( standard gauge )
Total wheelbase: 3,214 m
Top speed: 40 km / h
Indexed performance : 74 kW
Driving wheel diameter: 1,501 mm
Impeller diameter: 790 mm
Number of cylinders: 2
Cylinder diameter: 384 mm
Piston stroke: 560 mm
Boiler overpressure: 6.27 atm
Number of heating pipes: 121
Heating pipe length: 3.5 m
Grate area: 0.93 m²
Radiant heating surface: 5.03 m²
Evaporation heating surface: 72.0 m²
Tender: biaxial
Water supply: 5.3 m³
Fuel supply: 3.16 m³

The UZB - Pest to Pozsony were four steam locomotives of the Hungarian Central Railway (UZB) Austria-Hungary .

The locomotives were delivered by Cockerill in Seraing in 1845. They got the names "PEST", "BUDA", "PANNONIA" and "POZSONY". Their structure corresponded to the Philadelphia type from Norris . They had an uncoupled driven axle and a two-axle front bogie, an inner frame, an internal control system and inclined cylinders arranged outside the frame. The ratio of grate to heating surface suggests that the machines were designed to be heated with the best hard coal. However, at that time in Hungary the locomotives were mostly fired with wood, so that they probably could not provide the promised output of 74 kW in everyday operation. The machines had a tall chimney and a hemispherical standing boiler at the top.

The two locomotives "PEST" and "BUDA" led the inaugural train on July 15, 1846 on the Pest - Vác line of the UZB, the first railway line on Hungarian territory.

When the UZB became part of the kk southeastern state railway (SöStB) in 1850 , the locomotives were given the road numbers 2-5. When the SöStB was then sold to the Staats-Eisenbahn-Gesellschaft (StEG) in 1855 , the machines were given operating numbers 51–54. Except for number 52, the "BUDA", which was given the number 2 in the second designation scheme of the StEG from 1873, they were all retired in 1865.

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