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Pilatus Railway Bhm 1/2
When the Pilatus railway was opened in 1887, it was the steepest rack railway in the world with 48 percent and it still holds this title today. For this the SLM had built nine steam rack railcars with inclined cab and...
General
| Property | Pilatus Railway Bhm 1/2Remove |
|---|---|
| Built | 1886-1889, 1900, 1909 |
| Manufacturers | SLM |
| Wheel arrangement | 2-0-2RT |
| Gauge | 800 mm (800 mm) |
Dimensions and weights
| Property | Pilatus Railway Bhm 1/2Remove |
|---|---|
| Length | 10.30 m |
| Wheelbase | 6.12 m |
| Rigid wheelbase | 6.12 m |
| Empty weight | 9.5 t |
| Service weight | 13.2 t |
| Adhesive weight | 0 t |
| Water capacity | 880 l |
| Fuel capacity | 0.5 t (coal) |
Boiler
| Property | Pilatus Railway Bhm 1/2Remove |
|---|---|
| Grate area | 0.4 m² |
| Firebox surface | 2.4 m² |
| Tube heating surface | 18.6 m² |
| Evaporative heating surface | 21 m² |
| Total heating surface | 21.0 m² |
Power plant
| Property | Pilatus Railway Bhm 1/2Remove |
|---|---|
| Driver diameter | 409 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 220 x 300 mm |
Power
| Property | Pilatus Railway Bhm 1/2Remove |
|---|---|
| Power source | steam |
| Estimated power | 50 kW (68 PS) |
| Top speed | 4 km/h |
| Starting effort | 36.2 kN |
Calculated values
| Property | Pilatus Railway Bhm 1/2Remove |
|---|---|
| Optimal speed | 8 km/h |
| Power-to-weight ratio | 3.8 kW/t |
| Heating Surface Equivalent | 33.0 m² |
| Cylinder volume/HSE | 1 : 691.15 |
| Tractive force/Heating surface | 1 : 36.00 |
| Grate area/Heating surface | 1 : 52.50 |
| Firebox/Tube surface | 1 : 7.75 |
