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Soviet locomotive class IS

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Soviet locomotive class ИС
Locomotive IS20-16, 1937.
Steam locomotive IS20-16 with streamline casing at the locomotive factory in Voroshilovgrad in 1937. It was the Soviet steam locomotive-champion with maximum speed of 155 km/h (96 mph).
Type and origin
Power typeSteam
BuilderOctober Revolution Locomotive Factory, Voroshilovgrad (Luhansk)
Build date1932–1942
Total produced649
Specifications
Configuration:
 • Whyte2-8-4
Gauge1,524 mm (5 ft)
Leading dia.1,050 mm (41.34 in)
Driver dia.1,850 mm (72.83 in)
Trailing dia.1,050 mm (41.34 in)
Adhesive weight88 tonnes (87 long tons; 97 short tons)
Loco weight133 tonnes (131 long tons; 147 short tons)
Firebox:
 • Grate area7.04 m2 (75.8 sq ft)
Boiler pressure15 kgf/cm2 (1.47 MPa; 213 psi)
Heating surface295.2 m2 (3,178 sq ft)
Superheater:
 • Heating area148.4 m2 (1,597 sq ft)
CylindersTwo, outside
Cylinder size670 mm × 770 mm (26.38 in × 30.31 in)
Performance figures
Maximum speed115 km/h (71 mph)
Tractive effort233.5 kN (52,490 lbf)
Career
NumbersIS20-1
Retired1965–1987
Scrapped1975–1996

The Soviet locomotive class IS (Russian: ИС; Ukrainian: Паровоз ІС, romanizedParovoz IS) was a Soviet passenger steam locomotive type named after Joseph Stalin (Russian: Иосиф Сталин; Ukrainian: Йосип Сталін, romanizedYosyp Stalin). The contract design was prepared in 1929 at V.V. Kuybyshev Locomotive Factory in Kolomna, Russian SFSR. The IS series locomotives were manufactured between 1932 and 1942. The last one was built in 1942 during the Great Patriotic War against Nazi Germany.

Overview

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The locomotive used the same cylinders and boilers as the FD series locomotives. However the IS steam locomotive had a 2-8-4 wheel arrangement.

Construction

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The first steam locomotive was released from the Kolomna factory on October 4, 1932. In April–December a steam locomotive was tested on the October, Southern, and Ekaterinenskaya railways.

In 1936, production began at October Revolution Locomotive Factory in Voroshilovgrad, Ukrainian SSR (Luhansk, Ukraine). In total, 649 IS steam locomotives were constructed. Later the series was renamed FDP (steam locomotive FD, passenger modification).

Use

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These locomotives were used until 1972.

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See also

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Books

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  • Главное управление локомотивного хозяйства МПС (1956). Справочник по локомотивам железных дорог СССР (in Russian). Трансжелдориздат.
  • Сыромятникова, С.П., ed. (1937). Курс паровозов. Устройство и работа паровозов и техника их ремонта (in Russian). Трансжелдориздат (State Publishing House).

References

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