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Rhaetian Railway G 4/5
The G 4/5 was created in 1904 after a saturated two-cylinder compound 2-8-0 built by SLM for the Ethiopian CFE in 1902 had been tested on the RhB network. The RhB received the first four, numbered 101 to 104, in 1904 ...
| Rhaetian Railway G 4/5Remove | |
|---|---|
| Variant | |
| Built | 1906-1915 |
| Manufacturers | SLM |
| Wheel arrangement | 1D |
| Gauge | 1000 mm |
| Length | 13970 mm |
| Service mass | 47200 kg |
| Top speed | 45 km/h |
| Power | |
| Engine |
General
| Property | Rhaetian Railway G 4/5Remove |
|---|---|
| Built | 1906-1915 |
| Manufacturers | SLM |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Rhaetian Railway G 4/5Remove |
|---|---|
| Length | 13.97 m |
| Wheelbase | 6.10 m |
| Total wheelbase | 11.32 m |
| Service mass | 47.2 t |
| Adhesion mass | 41.6 t |
| Total mass | 67.5 t |
| Rigid wheelbase | 2.45 m |
| Water capacity | 9,800 l |
| Fuel capacity | 2.5 t (coal) |
Boiler
| Property | Rhaetian Railway G 4/5Remove |
|---|---|
| Grate area | 2.1 m² |
| Firebox surface | 8.4 m² |
| Tube heating surface | 133 m² |
| Evaporative heating surface | 141.4 m² |
| Superheater surface | 27.5 m² |
| Total heating surface | 168.9 m² |
Power plant
| Property | Rhaetian Railway G 4/5Remove |
|---|---|
| Driver diameter | 1,050 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 460 x 580 mm |
Power
| Property | Rhaetian Railway G 4/5Remove |
|---|---|
| Power source | steam |
| Estimated power | 600 kW (816 PS) |
| Top speed | 45 km/h |
| Starting effort | 119.2 kN |
Calculated values
| Property | Rhaetian Railway G 4/5Remove |
|---|---|
| Factor of adhesion | 1 : 3.42 |
| Optimal speed | 31 km/h |
| Power-to-weight ratio | 12.7 kW/t |
| Heating Surface Equivalent | 238.4 m² |
| Cylinder volume/HSE | 1 : 808.64 |
| Adhesive weight/Total | 1 : 1.13 |
| Tractive force/Heating surface | 1 : 14.74 |
| Grate area/Heating surface | 1 : 80.43 |
| Firebox/Tube surface | 1 : 15.83 |
| Total/Superheater | 1 : 5.14 |
