Bavarian B VII

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

Bavarian B VII
Type and origin
BuilderKrauss
Build date1868
Total produced6
Specifications
Configuration:
​
 • Whyte0-4-0
Gauge1,435 mm (4 ft 8+1⁄2 in)
Driver dia.1,500 mm (4 ft 11 in)
Length:
​
 • Over beams13,236 mm (43 ft 5 in)
Axle load13.2 t (13.0 long tons; 14.6 short tons)
Adhesive weight26.4 t (26.0 long tons; 29.1 short tons)
Service weight26.4 t (26.0 long tons; 29.1 short tons)
Water cap.6.7 m3 (1,500 imp gal; 1,800 US gal)
Boiler pressure7 or 10 kgf/cm2 (686 or 981 kPa; 99.6 or 142 lbf/in2)
Heating surface:
 • Firebox		1.24 m2 (13.3 sq ft)
 • Evaporative101.10 or 117.80 m2 (1,088.2 or 1,268.0 sq ft)
Cylinders2
Cylinder size430 mm (16+15⁄16 in)
Piston stroke610 mm (24 in)
Performance figures
Maximum speed70 km/h (43 mph)
Career
Numbers379 EIBSEE to 384 MAINBERNHEIM
Retired1877

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. Vol. Band No. 5. Eching bei München: Merker Verlag. p. 8.
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