Bavarian A IV

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A IV (Bavaria)
Numbering: Names and inventory numbers.
Number: 8th
Manufacturer: Maffei
Year of construction (s): 1852
Retirement: 1883
(one rebuilt in 1874)
Type : 1A1 n2
Gauge : 1435 mm ( standard gauge )
Length over buffers: 12,459 mm
Service mass: 27.9 t
Friction mass: 11.5 t
Wheel set mass : 11.5 t
Top speed: 70 km / h
Driving wheel diameter: 1,524 mm
Impeller diameter front: 915 mm
Rear wheel diameter: 915 mm
Number of cylinders: 2
Cylinder diameter: 381 mm
Piston stroke: 559 mm
Cup length: 3,080 mm
Boiler overpressure: 7 bar
Grate area: 1.21 m²
Evaporation heating surface: 73.20 m²
Tender: 3 T 5
Water supply: 5.0 m³

The Bavarian A IV were locomotives of the Royal Bavarian State Railways .

The vehicles were developed for night driving and use on the north-south route. In order to increase the area of ​​the evaporator, the boiler was enlarged to a length of 3,080 mm and a diameter of 1,219 mm. In addition, the weight and the boiler overpressure were increased. In addition, these machines were the first to have an outer frame with outer cylinders. This type of construction spread mainly in southern Germany and Austria . All but one of the machines had been retired by 1883. This locomotive was converted into a C locomotive in 1874 and later a 1B locomotive.

They were with a Tender equipped to type 3 T 5th

literature

  • Lothar Spielhoff: Länderbahn steam locomotives. Volume 2. Baden, Bavaria, Pfalz and Württemberg . In: German Railways . Franckh-Kosmos Verlag, Stuttgart 1990, ISBN 3-89350-819-8 , p. 27 .