Bavarian B VII

The Bavarian B VII was an experimental locomotive with the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn).

Bavarian B VII
Number(s)379 EIBSEE to 384 MAINBERNHEIM
Quantity6
ManufacturerKrauss
Year(s) of manufacture1868
Retired1877
Wheel arrangement0-4-0
Axle arrangementB n2
Track gauge1,435 mm (4 ft 8 1⁄2 in)
Length over buffers13,236 mm (43 ft 5 in)
Service weight26.4 t (26.0 long tons; 29.1 short tons)
Adhesive weight26.4 t (26.0 long tons; 29.1 short tons)
Axle load13.2 t (13.0 long tons; 14.6 short tons)
Top speed70 km/h (43 mph)
Driving wheel diameter1,500 mm (4 ft 11 in)
No. of cylinders2
Cylinder bore430 mm (16 15⁄16 in)
Piston stroke610 mm (24 in)
Boiler Overpressure7 or 10 kgf/cm2 (686 or 981 kPa; 99.6 or 142 lbf/in2)
Grate area1.24 m2 (13.3 sq ft)
Evaporative heating area101.10 or 117.80 m2 (1,088.2 or 1,268.0 sq ft)
Tender3 T 6.7
Water capacity6.7 m3 (1,500 imp gal; 1,800 US gal)

These turf-fired locomotives were the first ones delivered by Krauss to the state railways in Bavaria.[1] They resembled the 0-4-0 vehicles of the Grand Duchy of Oldenburg State Railways (Großherzoglich Oldenburgische Staatseisenbahnen). They were equipped with a water tank frame and Allan valve gear with outside cylinders. They were rebuilt once during its short career, the boiler overpressure being changed. The locomotives, known as the Angry Seven (Böse Sieben) by crews, were retired in 1877 after just 9 years in service.

They were equipped with tenders of the Bavarian class 3 T 6.7.

See also

References
  1. von Welser, Ludwig (July 1995). Bayern-Report. Band No. 5. Eching bei München: Merker Verlag. p. 8.
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