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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...
| Czechoslovak State Railways class 423.0Remove | |
|---|---|
| Variant | |
| Built | 1921-1946 |
| Manufacturers | PČM;Breitfeld & Daněk;ČKD;Adamov;Škoda |
| Wheel arrangement | 1D1 t |
| Gauge | 1435 mm |
| Length | 11920 mm |
| Service mass | 70800 kg |
| Top speed | 50 km/h |
| Power | |
| Engine |
General
| Property | Czechoslovak State Railways class 423.0Remove |
|---|---|
| Built | 1921-1946 |
| Manufacturers | PČ, M, Breitfeld & Daně, k, Č, KD, Adamov, Škoda |
| Wheel arrangement | 2-8-2T (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Czechoslovak State Railways class 423.0Remove |
|---|---|
| Length | 11.92 m |
| Empty mass | 52 t |
| Service mass | 70.8 t |
| Adhesion mass | 46 t |
| Axle load | 12.5 t |
| Water capacity | 10,000 l |
| Fuel capacity | 3.5 t (coal) |
Boiler
| Property | Czechoslovak State Railways class 423.0Remove |
|---|---|
| Grate area | 2.06 m² |
| Firebox surface | 9.2 m² |
| Tube heating surface | 113.4 m² |
| Evaporative heating surface | 122.6 m² |
| Superheater surface | 35.2 m² |
| Total heating surface | 157.8 m² |
Power plant
| Property | Czechoslovak State Railways class 423.0Remove |
|---|---|
| Driver diameter | 1,150 mm |
| Boiler pressure | 13 bar |
| Expansion type | simple expansion |
| Cylinders | two, 480 x 570 mm |
Power
| Property | Czechoslovak State Railways class 423.0Remove |
|---|---|
| Power source | steam |
| Estimated power | 725 kW (986 PS) |
| Top speed | 50 km/h |
| Starting effort | 126.2 kN |
Calculated values
| Property | Czechoslovak State Railways class 423.0Remove |
|---|---|
| Factor of adhesion | 1 : 3.58 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 10.2 kW/t |
| Heating Surface Equivalent | 239.0 m² |
| Cylinder volume/HSE | 1 : 863.14 |
| Adhesive weight/Total | 1 : 1.54 |
| Tractive force/Heating surface | 1 : 16.70 |
| Grate area/Heating surface | 1 : 76.60 |
| Firebox/Tube surface | 1 : 12.33 |
| Total/Superheater | 1 : 3.48 |
