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Austrian Southern Railway classes 17a to 17d

Class 17a No. 309

When the Südbahn made the decision to procure new express locomotives in 1881, the focus was basically on the class 16a “Rittinger” built in 1873. Since the train weights had increased from 70 to 80 tonnes before to a...

Austrian Southern Railway classes 17a to 17dRemove
Variant
17a
Built 1882
Manufacturers Floridsdorf
Wheel arrangement 2B
Gauge 1435 mm
Length
Service mass 41440 kg
Top speed 80 km/h
Power
Engine

General

Property Austrian Southern Railway classes 17a to 17d
17a
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Built 1882
Manufacturers Floridsdorf
Wheel arrangement 4-4-0 (American)
Gauge 1,435 mm

Dimensions and weights

Property Austrian Southern Railway classes 17a to 17d
17a
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Length loco 9.18 m
Wheelbase 5.61 m
Empty mass 37.5 t
Service mass 41.4 t
Adhesion mass 25.3 t
Rigid wheelbase 2.20 m
Axle load 12.7 t
Water capacity 8,400 l
Fuel capacity 6.5 t (coal)

Boiler

Property Austrian Southern Railway classes 17a to 17d
17a
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Grate area 2.01 m²
Firebox surface 8.1 m²
Tube heating surface 107.4 m²
Evaporative heating surface 115.5 m²
Total heating surface 115.5 m²

Power plant

Property Austrian Southern Railway classes 17a to 17d
17a
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Driver diameter 1,720 mm
Boiler pressure 10.5 bar
Expansion type simple expansion
Cylinders two, 425 x 600 mm

Power

Property Austrian Southern Railway classes 17a to 17d
17a
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Power source steam
Indicated power 368 kW (500 PS)
Top speed 80 km/h
Starting effort 56.2 kN

Calculated values

Property Austrian Southern Railway classes 17a to 17d
17a
Remove
Factor of adhesion 1 : 4.42
Optimal speed 40 km/h
Power-to-weight ratio 8.9 kW/t
Heating Surface Equivalent 156.0 m²
Cylinder volume/HSE 1 : 1,091.25
Adhesive weight/Total 1 : 1.64
Tractive force/Heating surface 1 : 10.17
Grate area/Heating surface 1 : 57.46
Firebox/Tube surface 1 : 13.26
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