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Brig-Furka-Disentis Railway HG 3/4
The Brig-Furka-Disentis railway ordered ten rack locomotives from SLM while under construction, the first three of which were delivered directly to the construction sites. They were based on the HG 2/3 of the Visp-Zer...
| Brig-Furka-Disentis Railway HG 3/4Remove | |
|---|---|
| Variant | Standard |
| Built | 1913-1914 |
| Manufacturers | SLM |
| Wheel arrangement | 1C z t |
| Gauge | 1000 mm |
| Length | 8750 mm |
| Service mass | 42020 kg |
| Top speed | 45 km/h |
| Power | |
| Engine |
General
| Property | Brig-Furka-Disentis Railway HG 3/4 Standard Remove |
|---|---|
| Built | 1913-1914 |
| Manufacturers | SLM |
| Wheel arrangement | 2-6-0RT (Mogul) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Brig-Furka-Disentis Railway HG 3/4 Standard Remove |
|---|---|
| Length | 8.75 m |
| Wheelbase | 5.33 m |
| Empty mass | 33.8 t |
| Service mass | 42 t |
| Adhesion mass | 35.9 t |
| Rigid wheelbase | 3.40 m |
| Axle load | 12 t |
| Water capacity | 3,200 l |
| Fuel capacity | 1 t (coal) |
Boiler
| Property | Brig-Furka-Disentis Railway HG 3/4 Standard Remove |
|---|---|
| Grate area | 1.4 m² |
| Firebox surface | 6.83 m² |
| Tube heating surface | 59.78 m² |
| Evaporative heating surface | 66.61 m² |
| Superheater surface | 17.2 m² |
| Total heating surface | 83.8 m² |
Power plant
| Property | Brig-Furka-Disentis Railway HG 3/4 Standard Remove |
|---|---|
| Driver diameter | 910 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | four, HP: 420 x 480 mm and LP: 560 x 450 mm |
Power
| Property | Brig-Furka-Disentis Railway HG 3/4 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 440 kW (598 PS) |
| Top speed | 45 km/h |
| Starting effort | 138.4 kN |
| Starting effort simple | 166.1 kN |
Calculated values
| Property | Brig-Furka-Disentis Railway HG 3/4 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 2.55 |
| Optimal speed | 19 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 135.2 m² |
| Cylinder volume/HSE | 1 : 1,804.07 |
| Adhesive weight/Total | 1 : 1.17 |
| Tractive force/Heating surface | 1 : 34.49 |
| Grate area/Heating surface | 1 : 59.86 |
| Firebox/Tube surface | 1 : 8.75 |
| Total/Superheater | 1 : 3.87 |
