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RD-8 LIQUID PROPELLANT ROCKET ENGINE
 


Enterprise:Yuzhnoye State Design Office

Type of Production:Engines and units LV


Photo:


Description:

    Intended for flight control of the second stage of "Zenit-2", "Zenit-3SL" launch vehicles via all stabilization channels.
    FUNCTIONAL SPECIFICS
    An autonomous four-chamber single-operation engine with fuel pump supply, using the generator gas afterburning scheme. The engine is delivered to the customer after firing control/processing test, without its subsequent reassembly.

    Thrust in vacuum. kN (kgf)78.5 (8,000)
    Specific thrust pulse in vacuum, kN sec/kg (kgf sec/kg)3.42 (342)
    Engine weight, kg380
    Absolute pressure in combustion chamber, kPa (kgf/cm2)7,800 (78)
    Absolute pressure at the chamber nozzle edge, kPa (kgf/cm2)5 (0.05)
    Fuel components:
    oxidantliquid oxygen
    fuelkerosene
    Chamber deviation angle, ang. deg± 33
    Operation time, sec1,100
    Operational life, sec, not less than4,000
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    01/31/2018: On January 31, 2018, the first cosmonaut of independent Ukraine, the Hero of Ukraine, the President of Aerospace Association of Ukraine, the Advisor to the Prime Minister of Ukraine, and to Chairman of the State Space Agency of Ukraine - Leonid Kadenyuk passed away