Compare locomotives
Add a locomotive
Rhaetian Railway G 2/3+2/2
To open the new line from Filisur to Davos, the RhB needed new locomotives that had to have sufficient tractive effort on the line, which had a gradient of up to 3.5 percent. Above all, it should not only be possible ...
| Rhaetian Railway G 2/3+2/2Remove | |
|---|---|
| Variant | as built |
| Built | 1902-1903 |
| Manufacturers | SLM |
| Wheel arrangement | (1B)B t ma |
| Gauge | 1000 mm |
| Length | 10627 mm |
| Service mass | 47300 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Rhaetian Railway G 2/3+2/2as built |
|---|---|
| Built | 1902-1903 |
| Manufacturers | SLM |
| Wheel arrangement | 2-4-4-0T (Vivarais (Mallet)) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Rhaetian Railway G 2/3+2/2as built |
|---|---|
| Length | 10.63 m |
| Wheelbase | 7.10 m |
| Empty mass | 39.7 t |
| Service mass | 47.3 t |
| Adhesion mass | 42.8 t |
| Rigid wheelbase | 1.60 m |
| Axle load | 10.7 t |
| Water capacity | 3,400 l |
| Fuel capacity | 1 t (coal) |
Boiler
| Property | Rhaetian Railway G 2/3+2/2as built |
|---|---|
| Grate area | 1.3 m² |
| Firebox surface | 7 m² |
| Tube heating surface | 79 m² |
| Evaporative heating surface | 86 m² |
| Total heating surface | 86.0 m² |
Power plant
| Property | Rhaetian Railway G 2/3+2/2as built |
|---|---|
| Driver diameter | 1,050 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | four, HP: 315 x 550 mm and LP: 490 x 550 mm |
Power
| Property | Rhaetian Railway G 2/3+2/2as built |
|---|---|
| Power source | steam |
| Estimated power | 310 kW (421 PS) |
| Starting effort | 87.5 kN |
| Starting effort simple | 105.0 kN |
Calculated values
| Property | Rhaetian Railway G 2/3+2/2as built |
|---|---|
| Factor of adhesion | 1 : 4.80 |
| Optimal speed | 21 km/h |
| Power-to-weight ratio | 6.6 kW/t |
| Heating Surface Equivalent | 121.0 m² |
| Cylinder volume/HSE | 1 : 1,565.62 |
| Adhesive weight/Total | 1 : 1.11 |
| Tractive force/Heating surface | 1 : 21.26 |
| Grate area/Heating surface | 1 : 66.15 |
| Firebox/Tube surface | 1 : 11.29 |
