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Polish State Railways Ty246
After the end of World War II, the Polish State Railway ordered heavy 2-10-0 locomotives for coal traffic between Upper Silesia and the Baltic port of Gdynia. Although they technically differed from domestic locomotiv...
General
| Property | Polish State Railways Ty246Remove |
|---|---|
| Built | 1947 |
| Manufacturers | ALCO, Baldwin, Lima |
| Wheel arrangement | 2-10-0 (Decapod) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Polish State Railways Ty246Remove |
|---|---|
| Length | 23.95 m |
| Rigid wheelbase | 6.71 m |
| Empty weight | 106.5 t |
| Service weight | 117 t |
| Adhesive weight | 101 t |
| Axle load | 21.5 t |
| Total weight | 193.6 t |
| Water capacity | 32,000 l |
| Fuel capacity | 14 t (coal) |
Boiler
| Property | Polish State Railways Ty246Remove |
|---|---|
| Grate area | 6.3 m² |
| Firebox surface | 20.9 m² |
| Tube heating surface | 234 m² |
| Evaporative heating surface | 254.9 m² |
| Superheater surface | 96.5 m² |
| Total heating surface | 351.4 m² |
Power plant
| Property | Polish State Railways Ty246Remove |
|---|---|
| Driver diameter | 1,450 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 635 x 700 mm |
Power
| Property | Polish State Railways Ty246Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,000 kW (2,719 PS) |
| Top speed | 80 km/h |
| Starting effort | 264.7 kN |
Calculated values
| Property | Polish State Railways Ty246Remove |
|---|---|
| Factor of adhesion | 1 : 3.74 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 17.1 kW/t |
| Heating Surface Equivalent | 552.4 m² |
| Cylinder volume/HSE | 1 : 802.62 |
| Adhesive weight/Total | 1 : 1.16 |
| Tractive force/Heating surface | 1 : 15.73 |
| Grate area/Heating surface | 1 : 55.78 |
| Firebox/Tube surface | 1 : 11.20 |
| Total/Superheater | 1 : 2.64 |
