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Landquart-Davos Railway G 2x2/2
In 1891, the Landquart Davos Railway received two Mallet tank locomotives from Maffei of Munich for a price of 68,400 Francs each. They had four driving axles in two groups, no leading or trailing axles and were numbe...
| Landquart-Davos Railway G 2x2/2Remove | |
|---|---|
| Variant | as built |
| Built | 1891 |
| Manufacturers | Maffei |
| Wheel arrangement | BB t ma |
| Gauge | 1000 mm |
| Length | 10250 mm |
| Service mass | 44500 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Landquart-Davos Railway G 2x2/2as built |
|---|---|
| Built | 1891 |
| Manufacturers | Maffei |
| Wheel arrangement | 0-4-4-0T (Four Coupled Mallet) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Landquart-Davos Railway G 2x2/2as built |
|---|---|
| Length | 10.25 m |
| Wheelbase | 6.80 m |
| Empty mass | 36.5 t |
| Service mass | 44.5 t |
| Adhesion mass | 44.5 t |
| Rigid wheelbase | 1.60 m |
| Water capacity | 3,000 l |
| Fuel capacity | 1.2 t (coal) |
Boiler
| Property | Landquart-Davos Railway G 2x2/2as built |
|---|---|
| Grate area | 1.4 m² |
| Firebox surface | 6.1 m² |
| Tube heating surface | 80.2 m² |
| Evaporative heating surface | 86.3 m² |
| Total heating surface | 86.3 m² |
Power plant
| Property | Landquart-Davos Railway G 2x2/2as built |
|---|---|
| Driver diameter | 1,050 mm |
| Boiler pressure | 12 bar |
| Expansion type | compound |
| Cylinders | four, HP: 330 x 550 mm and LP: 490 x 550 mm |
Power
| Property | Landquart-Davos Railway G 2x2/2as built |
|---|---|
| Power source | steam |
| Estimated power | 250 kW (340 PS) |
| Starting effort | 80.1 kN |
| Starting effort simple | 96.1 kN |
Calculated values
| Property | Landquart-Davos Railway G 2x2/2as built |
|---|---|
| Factor of adhesion | 1 : 5.45 |
| Optimal speed | 19 km/h |
| Power-to-weight ratio | 5.6 kW/t |
| Heating Surface Equivalent | 116.8 m² |
| Cylinder volume/HSE | 1 : 1,693.48 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 19.37 |
| Grate area/Heating surface | 1 : 61.64 |
| Firebox/Tube surface | 1 : 13.15 |
