Liquid Propellant Rocket Engine

YY-2 liquid fuel rocket engine


Application areas: hypersonic targets, supersonic targets, unmanned aerial vehicles, retrievable flight demonstrations.

Technical indicators:
Ground specific impulse: ≥220s
Swing angle: ±6°
Reusable times: 10 times
Features: · Green and non-toxic · Storage at room temperature · Spontaneous ignition · Low cost

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YY-1 liquid fuel rocket engine



Application areas: launch vehicle power, main power for transatmospheric vehicles

Technical indicators:
Fuel: liquid oxygen/kerosene
Vacuum specific impulse: ≥310s
Thrust: 7~21KN
Features: ·Green and non-toxic ·Multiple ignition ·Large range of thrust adjustment

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YY-3 liquid fuel rocket engine



Application field: landing deceleration power of return aircraft, aircraft boosting power

Technical indicators:
Ground specific impulse:≮242s
Swing angle: ±8°
Reusable times: 10 times
Features: Green and non-toxic, normal temperature storage, spontaneous ignition, low cost

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YY-11 liquid fuel rocket engine


Application field: first and second stage power of launch vehicle

Technical indicators:
Fuel: liquid oxygen/kerosene
Variable thrust range: 100%~60%
Sea level thrust: 42T
Features: large-scale variable thrust, two-way swing after the pump, multiple starts, low cost