GE Aerospace’s Big Hypersonic Propulsion Bet Faces Crucial Tests

GE ramjet

GE Aerospace tested the Half-X dual-mode ramjet in late 2023, proving the validity of its rotating detonation combustor design.

Credit: GE Aerospace
GE Aerospace’s three-year campaign to develop a reusable, air-breathing propulsion system to power large hypersonic aircraft by the end of the decade faces a critical test this summer. In the coming weeks, GE Edison Works plans to stage the first ground rig test of the 3X, a dual-mode ramjet (DMRJ)...
Steve Trimble

Steve covers military aviation, missiles and space for the Aviation Week Network, based in Washington, DC.

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