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German Reichsbahn class 84

84 001 in photo paint job on a works photo

In the 1930s, the Müglitztalbahn in the Ore Mountains was converted from 750 mm gauge to standard gauge because more and more industrial companies were settling there and the narrow-gauge locomotives were no longer ab...

German Reichsbahn class 84Remove
Variant
production variant
Built 1935-1937
Manufacturers BMAG
Wheel arrangement 1E1 t
Gauge 1435 mm
Length 15550 mm
Service mass 125000 kg
Top speed 80 km/h
Power
Engine

General

Property German Reichsbahn class 84
production variant
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Built 1935-1937
Manufacturers BMAG
Wheel arrangement 2-10-2T (Santa Fé)
Gauge 1,435 mm

Dimensions and weights

Property German Reichsbahn class 84
production variant
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Length 15.55 m
Wheelbase 11.70 m
Empty mass 100.5 t
Service mass 125 t
Adhesion mass 91 t
Rigid wheelbase 0.00 m
Axle load 18.3 t
Water capacity 14,000 l
Fuel capacity 3 t (coal)

Boiler

Property German Reichsbahn class 84
production variant
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Grate area 3.76 m²
Evaporative heating surface 210 m²
Superheater surface 85 m²
Total heating surface 295.0 m²

Power plant

Property German Reichsbahn class 84
production variant
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Driver diameter 1,400 mm
Boiler pressure 16 bar
Expansion type simple expansion
Cylinders three, 500 x 660 mm

Power

Property German Reichsbahn class 84
production variant
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Power source steam
Indicated power 1,049 kW (1,426 PS)
Top speed 80 km/h
Starting effort 240.4 kN

Calculated values

Property German Reichsbahn class 84
production variant
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Factor of adhesion 1 : 3.71
Optimal speed 27 km/h
Power-to-weight ratio 8.4 kW/t
Adhesive weight/Total 1 : 1.37
Tractive force/Heating surface 1 : 17.02
Grate area/Heating surface 1 : 78.46
Total/Superheater 1 : 2.47
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