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[i]Melnikov N2O4/UDMH rocket engine. Main engine of the Yantar-2K spy satellite orbital propulsion system. In production. The orbital maneuvering system of the Yantar-2K consisted of one 11D430, four 11D431, four 11D446, and eight 11D428. Up to 50 ignitions. Chamber Pressure: 9.00 bar.[/i]
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