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Czechoslovak State Railways class 423.0
In order to get a more powerful successor for the large number of existing branch line tank locomotives , the class 423.0 was developed by the First Bohemian-Moravian Machine Works (PCM) and also manufactured by other...
General
| Property | Czechoslovak State Railways class 423.0 Remove |
|---|---|
| Built | 1921-1946 |
| Manufacturers | PČ, M, Breitfeld & Daně, k, Č, KD, Adamov, Škoda |
| Wheel arrangement | 2-8-2T (Mikado) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Czechoslovak State Railways class 423.0 Remove |
|---|---|
| Length | 12.12 m |
| Service weight | 73.4 t |
| Adhesive weight | 54.1 t |
| Axle load | 13.5 t |
| Water capacity | 11,000 l |
| Fuel capacity | 5 t (coal) |
Boiler
| Property | Czechoslovak State Railways class 423.0 Remove |
|---|---|
| Grate area | 2.09 m² |
| Firebox surface | 9.2 m² |
| Tube heating surface | 110.51 m² |
| Evaporative heating surface | 119.71 m² |
| Superheater surface | 33.8 m² |
| Total heating surface | 153.5 m² |
Power plant
| Property | Czechoslovak State Railways class 423.0 Remove |
|---|---|
| Driver diameter | 1,150 mm |
| Boiler pressure | 15 bar |
| Expansion type | simple expansion |
| Cylinders | two, 480 x 570 mm |
Power
| Property | Czechoslovak State Railways class 423.0 Remove |
|---|---|
| Power source | steam |
| Estimated power | 840 kW (1,142 PS) |
| Top speed | 50 km/h |
| Starting effort | 145.6 kN |
Calculated values
| Property | Czechoslovak State Railways class 423.0 Remove |
|---|---|
| Factor of adhesion | 1 : 3.64 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 11.4 kW/t |
| Heating Surface Equivalent | 233.3 m² |
| Cylinder volume/HSE | 1 : 884.19 |
| Adhesive weight/Total | 1 : 1.36 |
| Tractive force/Heating surface | 1 : 19.81 |
| Grate area/Heating surface | 1 : 73.45 |
| Firebox/Tube surface | 1 : 12.01 |
| Total/Superheater | 1 : 3.54 |
