ÖNWB IIa

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ÖNWB IIa
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Technical specifications
design type 2'Bn2
1858 after 1886
Cylinder Ø 405 mm
Piston stroke 610 mm
Drive wheel Ø 1610 mm
Impeller Ø at the front 978 mm
Rear wheel Ø -
fixed wheelbase 1678 mm
Total wheelbase 4083 mm
Total wheelbase + tender 10408 mm
Heating fl. d. Tube 88.3 m² 99.7 m²
Heating fl. d. Fire box 7.3 m² 6.6 m²
Grate 1.18 m² 1.22 m²
Vapor pressure 7th
Weight (empty) 29.5 t
Adhesion weight 21.3 t
Service weight 32.5 t
Service weight + tender 53.2 t
water 5.0 m³
coal 6.9 m³
length 7.873 m
Length + tender 13.608 m
height 4,615 m
Vmax k. A.

The steam locomotive series ÖNWB IIa was an express train steam locomotive with a tender of the ÖNWB , which originally came from the SNDVB .

The twelve type 2B machines were supplied by the Maffei locomotive factory in Munich in 1857/1858 . These were the first Austrian locomotives with Hall eccentric cranks . Upon delivery they only had a protective screen, which was later replaced by a driver's cab.

They were given the numbers 1–12 and the names "AUSTRIA", "BOHEMIA", "PARDUBITZ", "KÖNIGGRÄTZ", "JOSEFSTADT", "ELBE", "KÖNIGINHOF", "LIEBENAU", "ISER", "TURNAU", "TRAUTENAU" and "REICHENBERG".

The inefficient machines were removed from the stock in 1883 (6 pieces) and 1887 (6 pieces).

literature