Country of origin Russia Manufacturer KB KhIMMASH Associated L/V Proton-M and Rokot | First flight 1990-11-20 Application Upper Stage Predecessor none | |
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The S5.98M, also known as the 14D30, is a Russian rocket engine, currently powering the Briz upper stages. It was designed by KB KhIMMASH, the famous Isaev designed bureau, and it burns closed cycle UDMH and nitrogen tetroxide.
References
S5.98M Wikipedia(Text) CC BY-SA