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Prussian G 7[h]1[/h]
The G 7[h]1[/h] was a heavy freight locomotive that was built in large numbers from 1893 and was in use for a very long time due to its simple design. Although a compound development was already in production from 189...
General
| Property | Prussian G 7[h]1[/h]Remove |
|---|---|
| Built | 1893-1909, 1916-1917 |
| Manufacturers | Vulcan, Hanomag, Schichau, Linke-Hofmann, Hartmann, BMAG, Henschel, Hohenzollern, O&K, Borsig, Jung |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Prussian G 7[h]1[/h]Remove |
|---|---|
| Length | 16.61 m |
| Wheelbase | 4.50 m |
| Rigid wheelbase | 4.50 m |
| Total wheelbase | 11.77 m |
| Empty weight | 46 t |
| Service weight | 52.6 t |
| Adhesive weight | 52.6 t |
| Axle load | 13.3 t |
| Total weight | 85.9 t |
| Water capacity | 12,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Prussian G 7[h]1[/h]Remove |
|---|---|
| Grate area | 2.28 m² |
| Firebox surface | 10.25 m² |
| Tube heating surface | 141.23 m² |
| Evaporative heating surface | 151.48 m² |
| Total heating surface | 151.5 m² |
Power plant
| Property | Prussian G 7[h]1[/h]Remove |
|---|---|
| Driver diameter | 1,250 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 520 x 630 mm |
Power
| Property | Prussian G 7[h]1[/h]Remove |
|---|---|
| Power source | steam |
| Estimated power | 550 kW (748 PS) |
| Top speed | 45 km/h |
| Starting effort | 139.0 kN |
Calculated values
| Property | Prussian G 7[h]1[/h]Remove |
|---|---|
| Factor of adhesion | 1 : 3.71 |
| Optimal speed | 24 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 202.7 m² |
| Cylinder volume/HSE | 1 : 1,319.92 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 19.17 |
| Grate area/Heating surface | 1 : 66.44 |
| Firebox/Tube surface | 1 : 13.78 |
