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Bavarian Ludwig Railway “Adler” and “Pfeil”
The “Adler” (eagle) was the first locomotive to be used commercially in Germany. It was built by British railway pioneer Robert Stephenson and was used together with its sister locomotive “Pfeil” (arrow) from 1835 to ...
General
| Property | Bavarian Ludwig Railway “Adler” and “Pfeil”Remove |
|---|---|
| Built | 1835-1836 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 2-2-2 (Jenny Lind) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Bavarian Ludwig Railway “Adler” and “Pfeil”Remove |
|---|---|
| Length | 7.62 m |
| Wheelbase | 5.50 m |
| Rigid wheelbase | 5.50 m |
| Empty weight | 11.4 t |
| Service weight | 14.3 t |
| Adhesive weight | 6 t |
| Axle load | 6 t |
Boiler
| Property | Bavarian Ludwig Railway “Adler” and “Pfeil”Remove |
|---|---|
| Grate area | 0.47 m² |
| Firebox surface | 2.79 m² |
| Tube heating surface | 15.41 m² |
| Evaporative heating surface | 18.2 m² |
| Total heating surface | 18.2 m² |
Power plant
| Property | Bavarian Ludwig Railway “Adler” and “Pfeil”Remove |
|---|---|
| Driver diameter | 1,372 mm |
| Boiler pressure | 4.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 229 x 406 mm |
Power
| Property | Bavarian Ludwig Railway “Adler” and “Pfeil”Remove |
|---|---|
| Power source | steam |
| Indicated power | 30 kW (41 PS) |
| Top speed | 65 km/h |
| Starting effort | 5.4 kN |
Calculated values
| Property | Bavarian Ludwig Railway “Adler” and “Pfeil”Remove |
|---|---|
| Factor of adhesion | 1 : 10.88 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 2.1 kW/t |
| Heating Surface Equivalent | 32.2 m² |
| Cylinder volume/HSE | 1 : 1,040.25 |
| Adhesive weight/Total | 1 : 2.38 |
| Tractive force/Heating surface | 1 : 6.21 |
| Grate area/Heating surface | 1 : 38.72 |
| Firebox/Tube surface | 1 : 5.52 |
