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Baden XII

No. 127 with a small steam dome on a works photo of MBG Karlsruhe

Locomotives with no coupled axles were soon no longer sufficient on the Grand Duchy of Baden State Railways either, and so class XII was developed with a 4-4-0 wheel arrangement and a remarkably short wheelbase. Certa...

	Baden XII Remove
Variant	1864 variant 1861 variant 1864 variant
Built	1864-1865
Manufacturers	MBG Karlsruhe
Wheel arrangement	2B
Gauge	1435 mm
Length	13447 mm
Service mass	28700 kg
Top speed	60 km/h
Power
Engine

General

Property	Baden XII 1864 variant 1861 variant 1864 variant Remove
Built	1864-1865
Manufacturers	MBG Karlsruhe
Wheel arrangement	4-4-0 (American)
Gauge	1,435 mm

Dimensions and weights

Property	Baden XII 1864 variant 1861 variant 1864 variant Remove
Length	13.45 m
Wheelbase	4.50 m
Total wheelbase	10.13 m
Empty mass	25.5 t
Service mass	28.7 t
Adhesion mass	16 t
Rigid wheelbase	1.95 m
Axle load	8 t
Water capacity	5,400 l

Boiler

Property	Baden XII 1864 variant 1861 variant 1864 variant Remove
Grate area	0.97 m²
Firebox surface	5.86 m²
Tube heating surface	84.01 m²
Evaporative heating surface	89.87 m²
Total heating surface	89.9 m²

Power plant

Property	Baden XII 1864 variant 1861 variant 1864 variant Remove
Driver diameter	1,830 mm
Boiler pressure	8 bar
Expansion type	simple expansion
Cylinders	two, 405 x 560 mm

Power

Property	Baden XII 1864 variant 1861 variant 1864 variant Remove
Power source	steam
Estimated power	130 kW (177 PS)
Top speed	60 km/h
Starting effort	34.1 kN

Calculated values

Property	Baden XII 1864 variant 1861 variant 1864 variant Remove
Factor of adhesion	1 : 4.60
Optimal speed	23 km/h
Power-to-weight ratio	4.5 kW/t
Heating Surface Equivalent	119.2 m²
Cylinder volume/HSE	1 : 1,210.74
Adhesive weight/Total	1 : 1.79
Tractive force/Heating surface	1 : 7.93
Grate area/Heating surface	1 : 92.65
Firebox/Tube surface	1 : 14.34

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