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Swiss Locomotive and Machine Factory Eb 3/5
The Eb 3/5 was a high-pressure prototype that was built in 1927 at the SLM's own expenses. It was a 2-6-2T tank locomotive with a Winterthur boiler working at 60 bars (870 psi) . The firebox had walls and a ceiling ma...
General
| Property | Swiss Locomotive and Machine Factory Eb 3/5Remove |
|---|---|
| Built | 1927 |
| Manufacturers | SLM |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Swiss Locomotive and Machine Factory Eb 3/5Remove |
|---|---|
| Length | 13.14 m |
| Wheelbase | 9.50 m |
| Rigid wheelbase | 6.55 m |
| Empty weight | 62.8 t |
| Service weight | 75 t |
| Adhesive weight | 48 t |
| Axle load | 16 t |
| Water capacity | 6,200 l |
| Fuel capacity | 2.7 t (coal) |
Boiler
| Property | Swiss Locomotive and Machine Factory Eb 3/5Remove |
|---|---|
| Grate area | 1.33 m² |
| Firebox surface | 11.7 m² |
| Tube heating surface | 97 m² |
| Evaporative heating surface | 108.7 m² |
| Superheater surface | 20 m² |
| Total heating surface | 128.7 m² |
Power plant
| Property | Swiss Locomotive and Machine Factory Eb 3/5Remove |
|---|---|
| Driver diameter | 1,520 mm |
| Boiler pressure | 60 bar |
| Expansion type | simple expansion |
| Cylinders | three, 215 x 350 mm |
Power
| Property | Swiss Locomotive and Machine Factory Eb 3/5Remove |
|---|---|
| Power source | steam |
| Indicated power | 730 kW (993 PS) |
| Starting effort | 81.4 kN |
Calculated values
| Property | Swiss Locomotive and Machine Factory Eb 3/5Remove |
|---|---|
| Factor of adhesion | 1 : 5.78 |
| Optimal speed | 55 km/h |
| Power-to-weight ratio | 9.7 kW/t |
| Heating Surface Equivalent | 207.2 m² |
| Cylinder volume/HSE | 1 : 183.98 |
| Adhesive weight/Total | 1 : 1.56 |
| Tractive force/Heating surface | 1 : 13.21 |
| Grate area/Heating surface | 1 : 96.77 |
| Firebox/Tube surface | 1 : 8.29 |
| Total/Superheater | 1 : 5.44 |
