| RD-9 | |
|---|---|
Preserved Tumansky RD-9B turbojet engine | |
| Type | Turbojet |
| Manufacturer | Tumansky |
| First run | 1953 |
| Major applications | Yak-25 MiG-19 |
TheTumansky RD-9 (initially designatedMikulin AM-5) was an earlySovietturbojet engine, one of the first not based on pre-existing German or British designs. The AM-5, developed by scaling down theAM-3,[1] was available in1952 and completed testing in1953; it produced 25.5 kN (5,700 lbf) thrust withoutafterburner. The AM-5 engine is notable for making possible the first mass-produced supersonic interceptors such as theMiG-19, and the first Soviet all-weather area interceptor, theYak-25.[2] WhenSergei Tumansky replacedAlexander Mikulin as theOKB-24's chief designer in 1956, the engine was renamed RD-9.[citation needed] The engine was later built under license in China as theWP-6.

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