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Class E el (Cyrillic script: Ээл) was a Russian diesel-electric locomotive class built between 1931 and 1941. There were three sub-classes but all were very similar. E el-5 was a prototype built in Germany in 1931. E el-9 was a prototype built in Russia in 1932. E el-12 was also built in Russia and went into series production.[1] It had the highly unusual 2-Eo-1 wheel arrangement.

This article relies largely or entirely on a single source. (September 2016)

E el or Ээл
Type and origin Power type Diesel-electric Builder E el-5: Krupp E el-9: Kolomna Works E el-12: Kolomna Works Build date 1931-1941
Specifications Configuration: ​  • UIC 2-Eo-1 Loco weight E el-5: 134 t (132 long tons; 148 short tons)(?) E el-9: 140 t (138 long tons; 154 short tons) E el-12: 138 t (136 long tons; 152 short tons) Prime mover E el-5: MAN diesel E el-9: Uncertain E el-12: Russian built diesel Traction motors Five 140 kW (190 hp) Brown Boveri Transmission Diesel-electric
Performance figures Power output E el-5: 1,200 hp (890 kW) at 450 rpm E el-9: Uncertain E el-12: 1,050 hp (780 kW) at 425 rpm
Career Number in class 46

Engine

The prime mover was a six-cylinder four stroke diesel engine. The E el-5 had a German built MAN engine giving 1,200 hp (890 kW) at 450 rpm. The E el 12 had a Russian built engine, based on the German design, giving 1,050 hp (780 kW) at 425 rpm.[2] It is uncertain which engine was used in the E el-9.

Electrical equipment

There were five 140 kW Brown Boveri traction motors, connected in parallel. Innovations in the E el-5 included forced ventilation for the traction motors, field weakening for high speed running and rheostatic braking. The rheostatic braking was excluded from the Russian built locomotives, to save weight, but they still weighed several tons more than the E el-5.[2]

Disposal

None of the class is known to have been preserved.

References

На других языках

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- [en] Russian locomotive class E el

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[ru] Ээл

Тепловоз Ээл — советский серийный грузовой тепловоз с электропередачей постоянного тока с регулированием по каскадной схеме Варда Леонардо в модификации швейцарского инженера-электротехника Бовери.

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