$rklb Rocket Lab’s Archimedes is a new rocket engine designed to power the company’s medium-lift Neutron rocket, which is targeted for its first launch in mid-2025. The Archimedes engine operates using a staged combustion cycle with liquid oxygen and liquefied natural gas as propellants, prioritizing reusability and cost efficiency. Each engine can produce up to 165,000 pounds of thrust and is designed to endure lower stress levels for better reliability.
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