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Polish State Railways Pm36
In 1937, Fablok built two fast, light Pacific express locomotives for PKP. Their task was to haul 300-tonne trains at 140 km/h. The new design had only two cylinders with simple expansion, but a boiler pressure of 18 ...
General
| Property | Polish State Railways Pm36Remove |
|---|---|
| Built | 1937 |
| Manufacturers | Fablok |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Polish State Railways Pm36Remove |
|---|---|
| Length | 24.84 m |
| Wheelbase | 11.95 m |
| Rigid wheelbase | 4.30 m |
| Empty weight | 87 t |
| Service weight | 95.4 t |
| Adhesive weight | 51.6 t |
| Axle load | 17.8 t |
| Total weight | 165.9 t |
| Water capacity | 32,000 l |
| Fuel capacity | 9 t (coal) |
Boiler
| Property | Polish State Railways Pm36Remove |
|---|---|
| Grate area | 3.85 m² |
| Firebox surface | 15 m² |
| Tube heating surface | 186 m² |
| Evaporative heating surface | 201 m² |
| Superheater surface | 71.2 m² |
| Total heating surface | 272.2 m² |
Power plant
| Property | Polish State Railways Pm36Remove |
|---|---|
| Driver diameter | 2,000 mm |
| Boiler pressure | 18 bar |
| Expansion type | simple expansion |
| Cylinders | two, 530 x 700 mm |
Power
| Property | Polish State Railways Pm36Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,325 kW (1,801 PS) |
| Top speed | 140 km/h |
| Starting effort | 150.4 kN |
Calculated values
| Property | Polish State Railways Pm36Remove |
|---|---|
| Factor of adhesion | 1 : 3.37 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 13.9 kW/t |
| Heating Surface Equivalent | 418.4 m² |
| Cylinder volume/HSE | 1 : 738.21 |
| Adhesive weight/Total | 1 : 1.85 |
| Tractive force/Heating surface | 1 : 11.54 |
| Grate area/Heating surface | 1 : 70.70 |
| Firebox/Tube surface | 1 : 12.40 |
| Total/Superheater | 1 : 2.82 |
