RD-107
Russian rocket engine / From Wikipedia, the free encyclopedia
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The RD-107 and its sibling, the RD-108, are a type of rocket engine initially used to launch R-7 Semyorka missiles. RD-107 engines were later used on space launch vehicles based on the R-7. As of 2021[update], very similar RD-107A and RD-108A engines are used to launch the Soyuz-2.1a, and Soyuz-2.1b, which are in active service.[7]
Quick Facts Country of origin, Designer ...
Country of origin | Soviet Union, later Russia |
---|---|
Designer | OKB-456 |
Manufacturer | JSC Kuznetsov[1] |
Application | Booster engine |
Associated LV | R-7 family of launchers |
Predecessor | RD-105 |
Status | In production |
Liquid-fuel engine | |
Propellant | LOX / kerosene |
Cycle | Gas-generator cycle |
Performance | |
Thrust, vacuum | RD-107: 1,000 kN (220,000 lbf) RD-107A: 1,020 kN (230,000 lbf) |
Thrust, sea-level | RD-107: 810 kN (180,000 lbf) RD-107A: 839 kN (189,000 lbf) |
Specific impulse, vacuum | RD-107: 313 s RD-107A: 320.2 s |
Specific impulse, sea-level | RD-107: 256 s RD-107A: 263.3 s |
Dimensions | |
Dry weight | RD-107: 1,190 kg (2,620 lb) RD-107A: 1,190 kg (2,620 lb) |
Used in | |
First stage boosters for R-7 family | |
References | |
References | [2][3][4][5][6] |
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