hypersonic aviation

Cleared Direct Jul 4, 2026

Hermeus and the Chimera Engine: The Atlanta Startup Aiming for Mach Five Commercial Flight

Atlanta startup Hermeus is developing the Chimera combined-cycle engine targeting Mach 5 commercial flight, which would cut New York-to-London transit time to roughly 90 minutes.

Vector

Cleared Direct Jun 26, 2026

Hermeus and the Chimera - The Engine That Has to Change What It Is at Mach Three

Hermeus is developing the Chimera turbine-based combined cycle engine to power a Mach 5 passenger aircraft by solving the hardest propulsion problem in modern aerospace.

Vector