RD-171 M

    • RD-171 M

    Purpose:
    Engines for the first stage of the Zenit launch vehicle.
    Year of release: 2004
    Guaranteed service life (years):
    8 renewable
    Estimated production / delivery time (months): 22
    Flight qualification of the product: Yes
    Brief history of flight qualification:
    30 launches since 2006 г. (01.09.2019).
    Possibility to adapt the product to customer requirements: Yes
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    Parameter Value
    Thrust, earth / void, tf 740 / 806
    Specific impulse, earth / void, s 309 / 337
    Pressure in the combustion chamber, kgf / cm2 250
    Weight, dry / dipped, kg 9300 / 10300
    Dimensions height / diameter, mm 4150 / 3565
    Development period 1992-1996 2003-2004
    Thrust vector control by swinging cameras in the same plane, o 6
    Thrust range,% 105-49

    Description

    Liquid rocket engine with afterburning of oxidizing gas. Fuel: oxygen + kerosene. The most powerful liquid rocket engine in the world. More than 1000 fire tests were carried out with a total operating time of more than 110,000 s. During fire tests, engine p
    ... Liquid rocket engine with afterburning of oxidizing gas.
    Fuel: oxygen + kerosene.
    The most powerful liquid rocket engine in the world.
    More than 1000 fire tests were carried out with a total operating time of more than 110,000 s. During fire tests, engine performance was demonstrated in a wide range of thrust modes from 105 to 49%.
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    Remark

    The most powerful rocket engines in the world. Several copies of the engine were tested without removal from the stand 25 times.

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