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Appenzell Tram HG 2/4
The HG 2/4 was a combined rack and adhesion locomotive of the meter-gauge Appenzell Tramway introduced in 1904. Since the HG 2/3 introduced in 1889 had a too complex Klose steering mechanism, the new locomotives were ...
| Appenzell Tram HG 2/4Remove | |
|---|---|
| Variant | |
| Built | 1909 |
| Manufacturers | SLM |
| Wheel arrangement | 1B1 z t |
| Gauge | 1000 mm |
| Length | 8450 mm |
| Service mass | 35200 kg |
| Top speed | 30 km/h |
| Power | |
| Engine |
General
| Property | Appenzell Tram HG 2/4Remove |
|---|---|
| Built | 1909 |
| Manufacturers | SLM |
| Wheel arrangement | 2-4-2RT (Columbia) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Appenzell Tram HG 2/4Remove |
|---|---|
| Length | 8.45 m |
| Service mass | 35.2 t |
| Adhesion mass | 24 t |
Boiler
| Property | Appenzell Tram HG 2/4Remove |
|---|---|
| Grate area | 1.26 m² |
| Evaporative heating surface | 70.1 m² |
| Total heating surface | 70.1 m² |
Power plant
| Property | Appenzell Tram HG 2/4Remove |
|---|---|
| Driver diameter | 815 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | four, 370 x 400 mm |
Power
| Property | Appenzell Tram HG 2/4Remove |
|---|---|
| Power source | steam |
| Indicated power | 257 kW (349 PS) |
| Top speed | 30 km/h |
| Starting effort | 110.0 kN |
| Starting effort simple | 132.0 kN |
Calculated values
| Property | Appenzell Tram HG 2/4Remove |
|---|---|
| Factor of adhesion | 1 : 1.78 |
| Optimal speed | 10 km/h |
| Power-to-weight ratio | 7.3 kW/t |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 39.33 |
| Grate area/Heating surface | 1 : 55.63 |
