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Saxon VIII 2
When the Saxon 2-4-0 express locomotives were not powerful enough anymore, Hartmann delivered the first locomotive of the class VIII 2 in 1891. They were of the wheel arrangement 4-4-0 and in contrast to many contempo...
| Saxon VIII 2Remove | |
|---|---|
| Variant | 1891 variant |
| Built | 1891 |
| Manufacturers | Hartmann |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | 16482 mm |
| Service mass | 49400 kg |
| Top speed | 85 km/h |
| Power | |
| Engine |
General
| Property | Saxon VIII 21891 variant |
|---|---|
| Built | 1891 |
| Manufacturers | Hartmann |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Saxon VIII 21891 variant |
|---|---|
| Length | 16.48 m |
| Wheelbase | 6.75 m |
| Empty mass | 44.6 t |
| Service mass | 49.4 t |
| Adhesion mass | 28 t |
| Rigid wheelbase | 2.40 m |
| Axle load | 14 t |
Boiler
| Property | Saxon VIII 21891 variant |
|---|---|
| Grate area | 2.33 m² |
| Firebox surface | 10.2 m² |
| Tube heating surface | 109.3 m² |
| Evaporative heating surface | 119.5 m² |
| Total heating surface | 119.5 m² |
Power plant
| Property | Saxon VIII 21891 variant |
|---|---|
| Driver diameter | 1,875 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 440 x 600 mm |
Power
| Property | Saxon VIII 21891 variant |
|---|---|
| Power source | steam |
| Estimated power | 500 kW (680 PS) |
| Top speed | 85 km/h |
| Starting effort | 52.7 kN |
Calculated values
| Property | Saxon VIII 21891 variant |
|---|---|
| Factor of adhesion | 1 : 5.22 |
| Optimal speed | 58 km/h |
| Power-to-weight ratio | 10.1 kW/t |
| Heating Surface Equivalent | 170.5 m² |
| Cylinder volume/HSE | 1 : 1,070.17 |
| Adhesive weight/Total | 1 : 1.76 |
| Tractive force/Heating surface | 1 : 9.20 |
| Grate area/Heating surface | 1 : 51.29 |
| Firebox/Tube surface | 1 : 10.72 |
