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Emperor Ferdinand Northern Railway IX

No. 907 “Alexanderfeld”

For the local railway between Bielsko-Biała (Bielitz) and Kalwaria, the KFNB required tank locomotives with a maximum axle load of eight tonnes that could negotiate sharp curves while still attaining a top speed of 50...

Emperor Ferdinand Northern Railway IXRemove
Variant Standard
Built 1888
Manufacturers Wiener Neustadt
Wheel arrangement C2 t eng
Gauge 1435 mm
Length 10080 mm
Service mass
Top speed
Power
Engine

General

Property Emperor Ferdinand Northern Railway IX
Standard
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Built 1888
Manufacturers Wiener Neustadt
Wheel arrangement 0-6-4T
Gauge 1,435 mm

Dimensions and weights

Property Emperor Ferdinand Northern Railway IX
Standard
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Length 10.08 m
Wheelbase 6.50 m
Empty mass 29 t
Adhesion mass 23.6 t
Rigid wheelbase 2.70 m
Water capacity 5,500 l
Fuel capacity 1.5 t (coal)

Boiler

Property Emperor Ferdinand Northern Railway IX
Standard
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Grate area 1.36 m²
Firebox surface 5.7 m²
Tube heating surface 64.8 m²
Evaporative heating surface 70.5 m²
Total heating surface 70.5 m²

Power plant

Property Emperor Ferdinand Northern Railway IX
Standard
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Driver diameter 1,000 mm
Boiler pressure 12 bar
Expansion type simple expansion
Cylinders two, 370 x 460 mm

Power

Property Emperor Ferdinand Northern Railway IX
Standard
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Power source steam
Estimated power 250 kW (340 PS)
Starting effort 64.2 kN

Calculated values

Property Emperor Ferdinand Northern Railway IX
Standard
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Factor of adhesion 1 : 3.60
Optimal speed 24 km/h
Heating Surface Equivalent 99.0 m²
Cylinder volume/HSE 1 : 999.19
Tractive force/Heating surface 1 : 19.03
Grate area/Heating surface 1 : 51.84
Firebox/Tube surface 1 : 11.37
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