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Prussian T 18
When the locomotives of the classes T 10 and T 12 had reached their power limits, the T 18 was developed as the last tank locomotive for passenger trains, which was still taken over by the Prussian State Railways. Due...
General
| Property | Prussian T 18Remove |
|---|---|
| Built | 1912-1927 |
| Manufacturers | Vulcan, Henschel, Hanomag |
| Wheel arrangement | 4-6-4T (Hudson) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Prussian T 18Remove |
|---|---|
| Length | 14.80 m |
| Wheelbase | 11.70 m |
| Rigid wheelbase | 4.10 m |
| Empty weight | 82 t |
| Service weight | 104.6 t |
| Adhesive weight | 50.7 t |
| Axle load | 17.1 t |
| Water capacity | 12,000 l |
| Fuel capacity | 4.5 t (coal) |
Boiler
| Property | Prussian T 18Remove |
|---|---|
| Grate area | 2.39 m² |
| Firebox surface | 13.04 m² |
| Tube heating surface | 130.82 m² |
| Evaporative heating surface | 143.86 m² |
| Superheater surface | 42.44 m² |
| Total heating surface | 186.3 m² |
Power plant
| Property | Prussian T 18Remove |
|---|---|
| Driver diameter | 1,650 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 560 x 630 mm |
Power
| Property | Prussian T 18Remove |
|---|---|
| Power source | steam |
| Indicated power | 838 kW (1,139 PS) |
| Top speed | 100 km/h |
| Starting effort | 122.1 kN |
Calculated values
| Property | Prussian T 18Remove |
|---|---|
| Factor of adhesion | 1 : 4.07 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 8.0 kW/t |
| Heating Surface Equivalent | 293.9 m² |
| Cylinder volume/HSE | 1 : 1,055.79 |
| Adhesive weight/Total | 1 : 2.06 |
| Tractive force/Heating surface | 1 : 13.69 |
| Grate area/Heating surface | 1 : 77.95 |
| Firebox/Tube surface | 1 : 10.03 |
| Total/Superheater | 1 : 3.39 |
