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Saxon XX HV
At the time they went into service, the class XX HV locomotives were the heaviest and most powerful express locomotives in Europe. In addition, they were the first and only express locomotives in Germany with the whee...
| Saxon XX HVRemove | |
|---|---|
| Variant | raised top speed |
| Built | 1918-1923 |
| Manufacturers | Hartmann |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | 22631 mm |
| Service mass | 99900 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | Saxon XX HVraised top speed |
|---|---|
| Built | 1918-1923 |
| Manufacturers | Hartmann |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Saxon XX HVraised top speed |
|---|---|
| Length | 22.63 m |
| Length loco | 14.28 m |
| Wheelbase | 11.96 m |
| Empty mass | 90.3 t |
| Service mass | 99.9 t |
| Adhesion mass | 68.6 t |
| Total mass | 162.7 t |
| Rigid wheelbase | 4.00 m |
| Axle load | 17.2 t |
| Water capacity | 31,000 l |
| Fuel capacity | 7 t (coal) |
Boiler
| Property | Saxon XX HVraised top speed |
|---|---|
| Grate area | 4.5 m² |
| Firebox surface | 15.6 m² |
| Tube heating surface | 211 m² |
| Evaporative heating surface | 226.6 m² |
| Superheater surface | 74 m² |
| Total heating surface | 300.6 m² |
Power plant
| Property | Saxon XX HVraised top speed |
|---|---|
| Driver diameter | 1,905 mm |
| Boiler pressure | 15 bar |
| Expansion type | compound |
| Cylinders | four, HP: 480 x 630 mm and LP: 720 x 630 mm |
Power
| Property | Saxon XX HVraised top speed |
|---|---|
| Power source | steam |
| Indicated power | 1,324 kW (1,800 PS) |
| Top speed | 120 km/h |
| Starting effort | 134.5 kN |
| Starting effort simple | 161.4 kN |
Calculated values
| Property | Saxon XX HVraised top speed |
|---|---|
| Factor of adhesion | 1 : 5.00 |
| Optimal speed | 60 km/h |
| Power-to-weight ratio | 13.3 kW/t |
| Heating Surface Equivalent | 452.6 m² |
| Cylinder volume/HSE | 1 : 1,070.50 |
| Adhesive weight/Total | 1 : 1.46 |
| Tractive force/Heating surface | 1 : 9.35 |
| Grate area/Heating surface | 1 : 66.80 |
| Firebox/Tube surface | 1 : 13.53 |
| Total/Superheater | 1 : 3.06 |
