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Army Field Railway Zwilling
The Zwillinge (“twins”) were small tank locomotives that were built for the Bavarian and Prussian Heeresfeldbahnen (military field railways). What was special was that, in normal service, two technically identical, ot...
General
| Property | Army Field Railway ZwillingRemove |
|---|---|
| Built | 1890-1914 |
| Manufacturers | Borsig, Hagans, Hanomag, Hartmann, Henschel, Jung, Krauss, Linke-Hofmann, O&K, BMAG |
| Wheel arrangement | 0-6-0+0-6-0T (Zwilling) |
| Gauge | 600 mm (600 mm) |
Dimensions and weights
| Property | Army Field Railway ZwillingRemove |
|---|---|
| Length | 8.20 m |
| Wheelbase | 5.30 m |
| Rigid wheelbase | 1.30 m |
| Empty weight | 14 t |
| Service weight | 17 t |
| Adhesive weight | 17 t |
| Axle load | 2.8 t |
| Water capacity | 1,800 l |
| Fuel capacity | 0.5 t (coal) |
Boiler
| Property | Army Field Railway ZwillingRemove |
|---|---|
| Grate area | 0.6 m² |
| Evaporative heating surface | 28.58 m² |
| Total heating surface | 28.6 m² |
Power plant
| Property | Army Field Railway ZwillingRemove |
|---|---|
| Driver diameter | 580 mm |
| Boiler pressure | 15 bar |
| Expansion type | simple expansion |
| Cylinders | four, 180 x 240 mm |
Power
| Property | Army Field Railway ZwillingRemove |
|---|---|
| Power source | steam |
| Indicated power | 88 kW (120 PS) |
| Top speed | 20 km/h |
| Starting effort | 34.2 kN |
Calculated values
| Property | Army Field Railway ZwillingRemove |
|---|---|
| Factor of adhesion | 1 : 4.88 |
| Optimal speed | 16 km/h |
| Power-to-weight ratio | 5.2 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 24.98 |
| Grate area/Heating surface | 1 : 47.63 |
