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Prussian G 1
The engines later designated as class G 1 were light tender locomotives for freight service. They were ordered by the Prussian Ostbahn, as they had extensive branch lines on which the range of tank locomotives would n...
General
| Property | Prussian G 1 1878 variant |
|---|---|
| Built | 1878-1879 |
| Manufacturers | BMAG, Hanomag, Hohenzollern, Wöhlert, Schichau, Borsig, Henschel |
| Wheel arrangement | 0-4-0 (Four-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Prussian G 1 1878 variant |
|---|---|
| Length | 13.18 m |
| Length loco | 7.53 m |
| Wheelbase | 3.00 m |
| Rigid wheelbase | 3.00 m |
| Empty weight | 24.8 t |
| Service weight | 27.5 t |
| Adhesive weight | 27.5 t |
| Axle load | 14 t |
| Water capacity | 8,000 l |
| Fuel capacity | 2.5 t (coal) |
Boiler
| Property | Prussian G 1 1878 variant |
|---|---|
| Grate area | 1.47 m² |
| Firebox surface | 5.69 m² |
| Tube heating surface | 89 m² |
| Evaporative heating surface | 94.69 m² |
| Total heating surface | 94.7 m² |
Power plant
| Property | Prussian G 1 1878 variant |
|---|---|
| Driver diameter | 1,350 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 610 mm |
Power
| Property | Prussian G 1 1878 variant |
|---|---|
| Power source | steam |
| Estimated power | 300 kW (408 PS) |
| Top speed | 45 km/h |
| Starting effort | 67.8 kN |
Calculated values
| Property | Prussian G 1 1878 variant |
|---|---|
| Factor of adhesion | 1 : 3.98 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 10.9 kW/t |
| Heating Surface Equivalent | 123.1 m² |
| Cylinder volume/HSE | 1 : 1,372.62 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.94 |
| Grate area/Heating surface | 1 : 64.41 |
| Firebox/Tube surface | 1 : 15.64 |
