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    US-UK team to build Mach-3 hybrid-electric engine for next-gen supersonic travel

    Georgina Jedikovska December 01, 2025 3 min read
    Interesting Engineering
    US-UK team to build Mach-3 hybrid-electric engine for next-gen supersonic travel
    AI Article Summary

    A UK company, Helix, and a US startup, Astro Mechanica, are collaborating on a new hybrid-electric engine designed for affordable, long-range supersonic flights. Their DualityTM engine combines electric motors with a turbogenerator core, aiming to achieve efficient Mach-3 speeds. The project involves building electric motors with high power-to-weight ratios to improve fuel efficiency, addressing economic challenges of supersonic travel. This partnership also includes developing custom motors capable of high-output performance for future propulsion systems.

    What This Means for Canadian Contractors

    This project shows how advances in hybrid-electric propulsion can potentially reshape air travel economics by making supersonic flights more viable. For Canadian builders, this means a shift towards innovative engineering solutions might be necessary, impacting supply chains and requiring new expertise. As these technologies develop, contractors may anticipate changes in infrastructure needs and updates in regulatory standards.

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