Products & Services
Huaguang‑1 Full‑Flow Staged Combustion Cycle LOX/Methane Engine
As the first domestically developed engine in China benchmarked against SpaceX’s Raptor 2, this independently controlled, high‑efficiency powerplant represents a major breakthrough in indigenous rocket propulsion. Its debut will break through critical technical bottlenecks and significantly accelerate the commercialization of China’s launch vehicle industry.
Combustion Efficiency
99.2%
Payload Capacity Increase
30%
Sea-Level Specific Impulse
323s
Vacuum Specific Impulse
376s
Sea Level Thrust
540KN
Vacuum Thrust
582KN
Combustion Chamber Pressure
24MPa
Thrust Throttling Range
55%-106%
Thrust-to-Weight Ratio
>100
Weiguang-1 Rocket Family
World’s First: Full‑flow Staged Combustion Cycle Propulsion + Carbon‑Fiber Composite + LOX/Methane
Payload Capacity (Expendable Mission)
LEO@500Km：11t
SSO@500Km：9t
Payload Coefficient：3.14%
Payload Capacity (Recoverable Mission)
LEO@500Km：9t
SSO@500Km：7t
Propellant
LOX/Methane
Liftoff Thrust
450t
Fairing Diameter
4.2m
Vehicle Length
60m
Grid Fins
4 sets
Vehicle Diameter
3.8m
Airframe Material
Carbon Fiber Composite Material
General Space Economy
Fairing Diameter: 4.2 m / 5.2 m
Payload Capacity:
500 km LEO: 11 t
500 km SSO: 9 t
Payload Coefficient: 3.14%
Vehicle Diameter / Length: 3.8 m / 60 m
Earth-Moon Economy
Fairing Diameter: 4.2 m
Payload Capacity:
500 km LEO: 9 t
500 km SSO: 7 t
Vehicle Diameter / Length: 3.8 m / 60 m
Earth-Mars Economy
Fairing Diameter: 5.2 m
Payload Capacity:
500 km LEO: 30 t
GTO: 12 t
GEO: 3.5 t
LTO: 5 t
Vehicle Diameter / Length: 3.8 m / 67 m
Contact Us：welight@welight-11.com
