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Commonwealth Railways class G

In 1912 construction began on the standard gauge Trans-Australian Railway, completing the west-east link across the continent. The newly built route was located in the states of Western Australia and South Australia a...

Commonwealth Railways class GRemove
Variant
Ga
Built 1933
Manufacturers Port Augusta
Wheel arrangement 2C
Gauge 1435 mm
Length
Service mass 60340 kg
Top speed
Power
Engine

General

Property Commonwealth Railways class G
Ga
Remove
Built 1933
Manufacturers Port Augusta
Wheel arrangement 4-6-0 (Ten-wheeler)
Gauge 1,435 mm

Dimensions and weights

Property Commonwealth Railways class G
Ga
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Wheelbase 7.85 m
Service mass 60.3 t
Adhesion mass 41.5 t
Total mass 107.9 t
Rigid wheelbase 4.22 m
Axle load 15 t
Water capacity 22,050 l
Fuel capacity 10.2 t (coal)

Boiler

Property Commonwealth Railways class G
Ga
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Grate area 2.508 m²
Firebox surface 12.077 m²
Tube heating surface 126.534 m²
Evaporative heating surface 138.611 m²
Superheater surface 23.412 m²
Total heating surface 162.0 m²

Power plant

Property Commonwealth Railways class G
Ga
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Driver diameter 1,524 mm
Boiler pressure 11 bar
Expansion type simple expansion
Cylinders two, 533 x 660 mm

Power

Property Commonwealth Railways class G
Ga
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Power source steam
Estimated power 783 kW (1,065 PS)
Starting effort 115.6 kN

Calculated values

Property Commonwealth Railways class G
Ga
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Factor of adhesion 1 : 3.52
Optimal speed 42 km/h
Power-to-weight ratio 13.0 kW/t
Heating Surface Equivalent 245.8 m²
Cylinder volume/HSE 1 : 1,200.65
Adhesive weight/Total 1 : 1.46
Tractive force/Heating surface 1 : 14.90
Grate area/Heating surface 1 : 64.60
Firebox/Tube surface 1 : 10.48
Total/Superheater 1 : 5.92
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