Encyclopedia Astronautica
RD-56M LNG


Isayev Lox/LNG rocket engine. 73.5 kN. Vozdushnyy Start stage 2. Developed 1996-. Variant of RD-56M using liquid natural gas in place of hydrogen. First engine tests performed in 1998.

Application: Vozdushnyy Start stage 2.

AKA: KVD-1M LNG; RD-56M LNG.
Status: Developed 1996-.
Thrust: 73.50 kN (16,523 lbf).
First Launch: 1996-.

More... - Chronology...


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Associated Propellants
  • Lox/LNG Liquid oxygen was the earliest, cheapest, safest, and eventually the preferred oxidiser for large space launchers. Its main drawback is that it is moderately cryogenic, and therefore not suitable for military uses where storage of the fuelled missile and quick launch are required. Liquefied natural gas - mainly methane,with traces of sulfur, etc. More...

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