FIELD: rocket and space technology.
SUBSTANCE: invention relates to rocket and space technology, and more specifically to launch vehicles. A launch vehicle with a universal upper stage consists of at least two stages. The upper stage contains a propulsion system with a liquid rocket engine/engines running on two-component fuel. The propulsion system performs the functions of both the upper stage of the launch vehicle and a booster unit. It consists of main and steering liquid rocket engines. The number of turns on the steering engine may exceed the number of turns on the main engine. The power supply system of the steering engine can be displacement, turbine, with high-speed electric drives, with a combined drive - a combination of a turbine with a high-speed electric engine.
EFFECT: increased reliability is achieved.
14 cl, 14 dwg
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