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Prussian G 7[h]2[/h]
The G 7[h]2[/h] arose from the idea of developing a locomotive with a compound engine from the G 7[h]1[/h]. This should lead to greater efficiency on long stretches and make it possible to transport freight trains of ...
General
| Property | Prussian G 7[h]2[/h]Remove |
|---|---|
| Built | 1895-1911, 1914-1916 |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Prussian G 7[h]2[/h]Remove |
|---|---|
| Length | 16.62 m |
| Length loco | 10.27 m |
| Wheelbase | 4.50 m |
| Rigid wheelbase | 4.50 m |
| Total wheelbase | 11.78 m |
| Empty weight | 47.9 t |
| Service weight | 53.3 t |
| Adhesive weight | 53.3 t |
| Axle load | 13.3 t |
| Total weight | 86.3 t |
| Water capacity | 12,000 l |
| Fuel capacity | 5 t (coal) |
Boiler
| Property | Prussian G 7[h]2[/h]Remove |
|---|---|
| Grate area | 2.25 m² |
| Firebox surface | 10 m² |
| Tube heating surface | 129 m² |
| Evaporative heating surface | 139 m² |
| Total heating surface | 139.0 m² |
Power plant
| Property | Prussian G 7[h]2[/h]Remove |
|---|---|
| Driver diameter | 1,250 mm |
| Boiler pressure | 12 bar |
| Expansion type | compound |
| Cylinders | two, HP: 530 x 630 mm and LP: 750 x 630 mm |
Power
| Property | Prussian G 7[h]2[/h]Remove |
|---|---|
| Power source | steam |
| Indicated power | 574 kW (780 PS) |
| Top speed | 45 km/h |
| Starting effort | 96.3 kN |
| Starting effort simple | 115.6 kN |
Calculated values
| Property | Prussian G 7[h]2[/h]Remove |
|---|---|
| Factor of adhesion | 1 : 5.43 |
| Optimal speed | 37 km/h |
| Power-to-weight ratio | 10.8 kW/t |
| Heating Surface Equivalent | 189.0 m² |
| Cylinder volume/HSE | 1 : 1,471.71 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.47 |
| Grate area/Heating surface | 1 : 61.78 |
| Firebox/Tube surface | 1 : 12.90 |
