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Saxon I K

No. 54, the engine from 2009, in June 2010 in Naundorf

As the I K, the Royal Saxon State Railways ran a type of very light and compact, six-coupled tank locomotive for 750 mm gauge . They were developed in order to obtain a cheap locomotive for the many narrow-gauge lines...

	Saxon I K Remove
Variant	Standard
Built	1881-1892
Manufacturers	Hartmann
Wheel arrangement	C t
Gauge	750 mm
Length	5280 mm
Service mass	15300 kg
Top speed	30 km/h
Power
Engine

General

Property	Saxon I K Standard Remove
Built	1881-1892
Manufacturers	Hartmann
Wheel arrangement	0-6-0T (Six-coupled)
Gauge	750 mm

Dimensions and weights

Property	Saxon I K Standard Remove
Length	5.28 m
Wheelbase	1.80 m
Empty mass	11.9 t
Service mass	15.3 t
Adhesion mass	15.3 t
Rigid wheelbase	1.80 m
Axle load	5.1 t
Water capacity	1,500 l
Fuel capacity	0.5 t (coal)

Boiler

Property	Saxon I K Standard Remove
Grate area	0.66 m²
Firebox surface	3.1 m²
Tube heating surface	26.6 m²
Evaporative heating surface	29.7 m²
Total heating surface	29.7 m²

Power plant

Property	Saxon I K Standard Remove
Driver diameter	760 mm
Boiler pressure	12 bar
Expansion type	simple expansion
Cylinders	two, 240 x 380 mm

Power

Property	Saxon I K Standard Remove
Power source	steam
Indicated power	88 kW (120 PS)
Top speed	30 km/h
Starting effort	29.4 kN

Calculated values

Property	Saxon I K Standard Remove
Factor of adhesion	1 : 5.11
Optimal speed	18 km/h
Power-to-weight ratio	5.8 kW/t
Heating Surface Equivalent	45.2 m²
Cylinder volume/HSE	1 : 760.65
Adhesive weight/Total	1 : 1.00
Tractive force/Heating surface	1 : 20.66
Grate area/Heating surface	1 : 45.00
Firebox/Tube surface	1 : 8.58

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