The KDU-414 (Russian Корректирующая Двигательная Установка, Corrective Propulsion Unit), is a pressure-fed liquid rocket Propulsion Unit developed and produced by the Isayev Design Bureau (today known as KhimMash). From 1960 onward, it powered several unmanned Soviet Spacecraft, including the first series of Molniya satellites, several Kosmos satellites as well as the space probes Mars 1, Venera 1, Zond 2 and Zond 3, featured as a part of standardized spacecraft buses known as KAUR-2, 2MV and 3MV. A gimbal mount allows the engine to swivel along two axes.
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| - KDU-414 (en)
- KDU-414 (ja)
- КДУ-414 (ru)
- KDU-414 (pt)
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| - KDU-414 (GRAU Index 11D414)は硝酸と非対称ジメチルヒドラジンを燃焼する液体式ロケットバーニアエンジンである (ja)
- КДУ-414 (Корректирующая Двигательная Установка) — агрегат, состоящий из жидкостного ракетного двигателя, и системы вытеснительной подачи для него, разработанный ОКБ А.М. Исаева в 1960-1965 годах, и применявшийся в качестве корректирующего двигателя на ИСЗ «Молния-1», AMC «Марс-1», «Венера-1», «Зонд-2», «Зонд-3», нескольких ИСЗ серии «Космос». (ru)
- The KDU-414 (Russian Корректирующая Двигательная Установка, Corrective Propulsion Unit), is a pressure-fed liquid rocket Propulsion Unit developed and produced by the Isayev Design Bureau (today known as KhimMash). From 1960 onward, it powered several unmanned Soviet Spacecraft, including the first series of Molniya satellites, several Kosmos satellites as well as the space probes Mars 1, Venera 1, Zond 2 and Zond 3, featured as a part of standardized spacecraft buses known as KAUR-2, 2MV and 3MV. A gimbal mount allows the engine to swivel along two axes. (en)
- O KDU-414, em russo: Корректирующая Двигательная Установка (КДУ-414) ou "Sistema de Propulsão Corretivo", designação GRAU 11D414, foi um motor usado em vários satélites e sondas espaciais soviéticas entre 1960 e o início da década de 80. (pt)
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| - KDU-414 as seen on the "Russia in Space" exhibition (en)
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| - Isayev Design Bureau (en)
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| - Attitude Control & Mid-course corrections (en)
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| - The KDU-414 (Russian Корректирующая Двигательная Установка, Corrective Propulsion Unit), is a pressure-fed liquid rocket Propulsion Unit developed and produced by the Isayev Design Bureau (today known as KhimMash). From 1960 onward, it powered several unmanned Soviet Spacecraft, including the first series of Molniya satellites, several Kosmos satellites as well as the space probes Mars 1, Venera 1, Zond 2 and Zond 3, featured as a part of standardized spacecraft buses known as KAUR-2, 2MV and 3MV. The Corrective Propulsion Unit consists of a single chamber 'S5.19' liquid rocket engine and a conical thermal protection cowl containing the spherical propellant tank.A barrier splits the tank into two separate compartments, filled with the propellant, UDMH, and the oxidizer, IRFNA, respectively. This combination of propellants is hypergolic, igniting on contact.The rocket motor is supplied with fuel by pressurizing the tank using gaseous nitrogen, which doubles as a source of RCS propellant.Elastic barriers within the tank prevent the nitrogen gas and propellant/oxidiser from mixing with each other. A gimbal mount allows the engine to swivel along two axes. In 1974, it was replaced with its derived successor, the KDU-414A with the S5.114 engine. (en)
- KDU-414 (GRAU Index 11D414)は硝酸と非対称ジメチルヒドラジンを燃焼する液体式ロケットバーニアエンジンである (ja)
- КДУ-414 (Корректирующая Двигательная Установка) — агрегат, состоящий из жидкостного ракетного двигателя, и системы вытеснительной подачи для него, разработанный ОКБ А.М. Исаева в 1960-1965 годах, и применявшийся в качестве корректирующего двигателя на ИСЗ «Молния-1», AMC «Марс-1», «Венера-1», «Зонд-2», «Зонд-3», нескольких ИСЗ серии «Космос». (ru)
- O KDU-414, em russo: Корректирующая Двигательная Установка (КДУ-414) ou "Sistema de Propulsão Corretivo", designação GRAU 11D414, foi um motor usado em vários satélites e sondas espaciais soviéticas entre 1960 e o início da década de 80. O nome em si, "Sistema de Propulsão Corretivo", já define que ele foi criado com a intenção específica de atuar na correção de trajetórias de satélites e sondas espaciais. O seu desenho consistia de um motor com uma única câmara de combustão e um corpo cônico com um tanque esférico dividido em duas partes, uma para o combustível (dimetil-hidrazina assimétrica) e outra para o oxidante (ácido nítrico). O motor podia se mover em dois planos através de um sistema de braços mecânicos no topo da câmara de combustão. (pt)
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