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Prussian T 12
Parallel to the T 11, the T 12 was developed using superheated steam technology in order to achieve greater power with higher production costs. Despite the fact that both machines were initially produced in parallel, ...
| Prussian T 12Remove | |
|---|---|
| Variant | Standard |
| Built | 1902-1921 |
| Manufacturers | Union Königsberg;Borsig |
| Wheel arrangement | 1C t |
| Gauge | 1435 mm |
| Length | 11800 mm |
| Service mass | 65900 kg |
| Top speed | 80 km/h |
| Power | |
| Engine |
General
| Property | Prussian T 12 Standard Remove |
|---|---|
| Built | 1902-1921 |
| Manufacturers | Union Königsberg, Borsig |
| Wheel arrangement | 2-6-0T (Mogul) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Prussian T 12 Standard Remove |
|---|---|
| Length | 11.80 m |
| Wheelbase | 6.35 m |
| Service mass | 65.9 t |
| Adhesion mass | 50.5 t |
| Rigid wheelbase | 3.85 m |
| Axle load | 17.4 t |
| Water capacity | 7,000 l |
| Fuel capacity | 2.5 t (coal) |
Boiler
| Property | Prussian T 12 Standard Remove |
|---|---|
| Grate area | 1.73 m² |
| Firebox surface | 8.7 m² |
| Tube heating surface | 103.16 m² |
| Evaporative heating surface | 111.86 m² |
| Superheater surface | 33.4 m² |
| Total heating surface | 145.3 m² |
Power plant
| Property | Prussian T 12 Standard Remove |
|---|---|
| Driver diameter | 1,500 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 540 x 630 mm |
Power
| Property | Prussian T 12 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 640 kW (870 PS) |
| Top speed | 80 km/h |
| Starting effort | 124.9 kN |
Calculated values
| Property | Prussian T 12 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.97 |
| Optimal speed | 31 km/h |
| Power-to-weight ratio | 9.7 kW/t |
| Heating Surface Equivalent | 222.2 m² |
| Cylinder volume/HSE | 1 : 1,298.92 |
| Adhesive weight/Total | 1 : 1.30 |
| Tractive force/Heating surface | 1 : 17.96 |
| Grate area/Heating surface | 1 : 83.97 |
| Firebox/Tube surface | 1 : 11.86 |
| Total/Superheater | 1 : 3.35 |
