Soviet locomotive class E el-8

E el-8 or Ээл8
Type and origin
Power typeDiesel-electric
BuilderKrupp, works no. 1200
Build date1933
Specifications
Configuration:
​
 • UIC2-Eo-1
Loco weight135 t (133 long tons; 149 short tons) (?)
Prime mover2 x Sulzer 8LV31
RPM rangeMax. 650 rpm
TransmissionDiesel-electric
Electrics by Secheron
Performance figures
Maximum speed60 km/h (37 mph)
Power outputDiesel: 2 x 825 hp (615 kW) (1 hour)
2 x 750 hp (560 kW) (continuous)
Traction motors: 1,200 hp (890 kW)
Tractive effort12,000 kgf (120,000 N; 26,000 lbf)
Career
Number in class1

Class E el-8 (Cyrillic script: Ээл8) was a Soviet diesel-electric locomotive built by Krupp in 1933 with engines by Sulzer and electrical equipment by Secheron.[1]

Powertrain

There were two Sulzer 8LV31 straight-eight engines placed side by side with a gangway between them. This arrangement had been patented by Eugen Zbinden and Sulzer, patent US1632209 of 1927.[2] Each engine delivered 750 hp (continuous rating) making a total of 1,500 hp. Electrical equipment was by Secheron of Geneva and total power of the traction motors was 1,200 hp.

Service

No details of the locomotive in service are available. It is not known to have been preserved.

References

  1. ^ "Sulzer Powered Locomotive in Russia". June 26, 2004.
  2. ^ "Locomotive having combined internal-combustion and electric propulsion system". Espacenet Patent Search.


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