Baden IV c

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Baden IV c
Kraichgaubahn Joehlingen 1879.jpg
Type and origin
Builder MBG Karlsruhe
Build date1875–1887
Total produced59
Specifications
Configuration:
   Whyte 2-4-0
Leading dia. 1,080 mm (3 ft 6+12 in)
Driver dia.1,680 mm (5 ft 6+14 in)
Wheelbase:
  Overall
3,900 mm (12 ft 9+12 in)
Length:
  Over beams14,367 mm (47 ft 1+34 in)
Height4,150 mm (13 ft 7+12 in)
Axle load 11.30 t (11.12 long tons; 12.46 short tons)
Adhesive weight 22.50 t (22.14 long tons; 24.80 short tons)
Empty weight31.80 t (31.30 long tons; 35.05 short tons)
Service weight35.50 t (34.94 long tons; 39.13 short tons)
Boiler:
No. of heating tubes198
Heating tube length3,300 mm (10 ft 10 in)
Boiler pressure9.0 kgf/cm2 (883 kPa; 128 lbf/in2)
Heating surface:
  Tubes
86.27 m2 (928.6 sq ft)
  Firebox1.47 m2 (15.8 sq ft)
  Radiative6.03 m2 (64.9 sq ft)
  Evaporative92.30 m2 (993.5 sq ft)
Cylinders 2
Cylinder size 435 mm (17+18 in)
Piston stroke 610 mm (24 in)
Valve gear Stephenson
Train brakes Westinghouse compressed air brake
Performance figures
Maximum speed70 km/h (43 mph)
Career
Numbers1 ... 393
Retired1901–1925

The steam locomotives of Baden Class IV c were passenger locomotives operated by Grand Duchy of Baden State Railway in the former south German state of Baden.

Contents

History

As part of the purchase of 2-4-0 locomotives in the early 1870s, a total of eight batches of Class IV c engines were ordered. These locomotives were used above all on lines with steep inclines in the Black Forest and the Odenwald. As a result, several engines were equipped with a Riggenbach counter-pressure brake.

Design features

Then dimensions of these engines were largely the same as those of the Class IV b. However the double frame was dropped and replaced by a simple plate frame. The engine had a very short wheelbase and as a result good curve-running performance. In addition the carrying axle had a side play of 10 mm. It was returned to its centre position by sloping bearing surfaces (geneigte Doppelflächen). The grate area of the firebox turned out to be very small; as a result its steam generation was not particularly satisfactory. Trials with ribbed tubes did not produce any improvements. The large steam dome sat on the rear boiler section.

The outside wet-steam engine had inside valves and drove the first coupled axle. The wheels were sprung with leaf springs located over the top, that were linked by a compensating lever between the coupled wheels.

The vehicles were equipped with tenders of classes 2 T 8 or 2 T 6.67. Several locomotives were equipped with rearward-facing driver's cabs on tenders. This enabled them to work routes without a turntable.

Sources

See also


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