Russian Supersonic Civil Aircraft Research

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https://www.flightglobal.com/aerosp...emonstrator-research-programme/165979.articleRussia has advanced its supersonic civil aircraft demonstrator “Strizh” by completing engine model tests. The design uses overhead engines to reduce shockwaves and noise, with acceptable performance confirmed. A modified RD-93MS engine is being tested, and a first flight could occur before 2030 if funding is secured.