@dior_german: The SpaceX Raptor 3 is a next-generation, methalox full-flow staged-combustion rocket engine built for the Starship system. Achieving 280 tons of thrust at 350 bar, it eliminates the need for an engine heat shield through internalized cooling paths, reducing total mass by 7% compared to the Raptor 2. Key Upgrades & Design Features: The SpaceX Raptor 3 features numerous advancements over the previous generation (Raptor 2) to increase reliability, thrust, and ease of manufacturability: Heat Shield Elimination: By utilizing internalized secondary flow paths and regenerative cooling for exposed components, the engine operates without a heavy engine heat shield, which reduces the overall complexity of the Starship vehicle. Simplified Design: The engine consolidation eliminates many external parts and cuts down on total failure modes. Metal Additive Manufacturing: SpaceX uses metal 3D printing extensively to consolidate parts and achieve a 36% weight reduction compared to the original Raptor 1. Increased Thrust: The combustion chamber pressure is pushed to 350 bar, yielding 280 metric tons of force (280 tf) for the sea-level variant. Specifications: The baseline specifications for the sea-level variant of the SpaceX Raptor 3 include: Propellant: Liquid Methane and Liquid Oxygen (Methalox) Thrust (Sea Level): 280 tf (approx. 620,000 lbf) Specific Impulse (ISP): 350 s Engine Mass: 1,525 kg Engine + Hardware Mass: 1,720 kg Cycle: Full-flow staged combustion #engine #rocket #space #engineering #foryou

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Saturday 11 July 2026 12:31:38 GMT