RD-107

The RD-107 () and its sibling, the RD-108, are a type of rocket engine used on the R-7 rocket family. RD-107 engines are used in each booster and the RD-108 is used in the central core. The engines have four main combustion chambers (each with a nozzle) and either two (RD-107) or four (RD-108) vernier chambers.

Key facts

Rocket engine.name: RD-107
Rocket engine.image: RD-107 Vostok.jpg
Rocket engine.caption: RD-107 engine on display at the Museum of Space and Missile Technology in Saint Petersburg.
Rocket engine.country_of_origin: Soviet UnionRussia
Rocket engine.designer: OKB-456
Rocket engine.manufacturer: JSC Kuznetsov
Rocket engine.purpose: Booster/first stage
Rocket engine.associated: R-7 family
Rocket engine.predecessor: RD-105
Rocket engine.status: In production
Rocket engine.type: liquid
Rocket engine.oxidiser: LOX
Rocket engine.fuel: RG-1
Rocket engine.cycle: Gas-generator
Rocket engine.notes: Performance figures are for RD-107A

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Wikidata facts

Image: RD-107 Vostok.jpg

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Commons category: RD-107

Sources (1)

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Article

8 sections

Contents

Design
Production
Versions
RD-107 variants
RD-108 variants
See also
References
External links

The engines were first developed in the mid-1950s to launch the R-7 Semyorka, the first intercontinental ballistic missile. The R-7 was later adapted into space launch vehicles and the engines have been improved over several generations. The most recent versions are the RD-107A and RD-108A engines are used to launch the Soyuz-2, which is in active service .