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Saxon XI HT
The XI HT was developed as a heavy tank locomotive for freight trains on mountain routes to replace the older, weaker machines. It had similarities with the recently appeared Prussian T 16 and weighed about the same, ...
General
| Property | Saxon XI HT 1908 variant |
|---|---|
| Built | 1908-1910 |
| Manufacturers | Hartmann |
| Wheel arrangement | 0-10-0T (Ten-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Saxon XI HT 1908 variant |
|---|---|
| Length | 12.20 m |
| Wheelbase | 5.60 m |
| Rigid wheelbase | 2.80 m |
| Empty weight | 60 t |
| Service weight | 77 t |
| Adhesive weight | 77 t |
| Axle load | 15.8 t |
| Water capacity | 9,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Saxon XI HT 1908 variant |
|---|---|
| Grate area | 2.27 m² |
| Firebox surface | 12.11 m² |
| Tube heating surface | 124.29 m² |
| Evaporative heating surface | 136.4 m² |
| Superheater surface | 41.4 m² |
| Total heating surface | 177.8 m² |
Power plant
| Property | Saxon XI HT 1908 variant |
|---|---|
| Driver diameter | 1,260 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 590 x 630 mm |
Power
| Property | Saxon XI HT 1908 variant |
|---|---|
| Power source | steam |
| Indicated power | 809 kW (1,100 PS) |
| Top speed | 45 km/h |
| Starting effort | 177.5 kN |
Calculated values
| Property | Saxon XI HT 1908 variant |
|---|---|
| Factor of adhesion | 1 : 4.25 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 279.8 m² |
| Cylinder volume/HSE | 1 : 1,231.39 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 20.85 |
| Grate area/Heating surface | 1 : 78.33 |
| Firebox/Tube surface | 1 : 10.26 |
| Total/Superheater | 1 : 3.29 |
