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German Federal Railway class 23
After the war, both German railways developed a new steam locomotive from the prototypes of the advanced class 23 of 1941 in order to supplement their fleets, which had been decimated by the war, and to be able to rep...
| German Federal Railway class 23Remove | |
|---|---|
| Variant | Standard |
| Built | 1950-1959 |
| Manufacturers | Henschel;Jung;Krupp;Esslingen |
| Wheel arrangement | 1C1 |
| Gauge | 1435 mm |
| Length | 21325 mm |
| Service mass | 82800 kg |
| Top speed | 110 km/h |
| Power | |
| Engine |
General
| Property | German Federal Railway class 23 Standard Remove |
|---|---|
| Built | 1950-1959 |
| Manufacturers | Henschel, Jung, Krupp, Esslingen |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | German Federal Railway class 23 Standard Remove |
|---|---|
| Length | 21.33 m |
| Wheelbase | 9.90 m |
| Empty mass | 74.6 t |
| Service mass | 82.8 t |
| Adhesion mass | 56 t |
| Total mass | 144.8 t |
| Rigid wheelbase | 2.00 m |
| Axle load | 18.9 t |
| Water capacity | 31,000 l |
| Fuel capacity | 8 t (coal) |
Boiler
| Property | German Federal Railway class 23 Standard Remove |
|---|---|
| Grate area | 3.11 m² |
| Firebox surface | 17.1 m² |
| Tube heating surface | 139.18 m² |
| Evaporative heating surface | 156.28 m² |
| Superheater surface | 73.8 m² |
| Total heating surface | 230.1 m² |
Power plant
| Property | German Federal Railway class 23 Standard Remove |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 550 x 660 mm |
Power
| Property | German Federal Railway class 23 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,325 kW (1,801 PS) |
| Top speed | 110 km/h |
| Starting effort | 155.2 kN |
Calculated values
| Property | German Federal Railway class 23 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.54 |
| Optimal speed | 51 km/h |
| Power-to-weight ratio | 16.0 kW/t |
| Heating Surface Equivalent | 389.4 m² |
| Cylinder volume/HSE | 1 : 805.41 |
| Adhesive weight/Total | 1 : 1.48 |
| Tractive force/Heating surface | 1 : 14.08 |
| Grate area/Heating surface | 1 : 73.98 |
| Firebox/Tube surface | 1 : 8.14 |
| Total/Superheater | 1 : 2.12 |
