RD-181

    • RD-181

    Purpose:
    Engines for the first stage of the advanced Antares launch vehicle.
    Year of release: 2015
    Guaranteed service life (years): 11
    Estimated production / delivery time (months): 14
    Flight qualification of the product: Yes
    Brief history of flight qualification:
    6 launches (02.11.2019).
    Possibility to adapt the product to customer requirements: Yes
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    Parameter Value
    Thrust, earth / void, tf 196/212
    Specific impulse, earth / void, s 311 / 339
    Pressure in the combustion chamber, kgf / cm2 262.6
    Weight, dry / dipped, kg 2200/2330
    Dimensions height / diameter, mm 3680 / 2100
    Development period 2014-2015
    Thrust vector control (2 channels) due to camera swing in two planes, o 8
    Thrust range,% 105-30

    Description

    Liquid rocket engine with afterburning of oxidizing gas. Fuel: oxygen + kerosene.

    Remark

    The engine has the widest range of thrust regulation from 105-30%.

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