Startup’s Supersonic Electric Jet Engine Heads To Altitude Testing

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Astro Mechanica's ground demonstrator, based on a GE CT7 turboshaft, drives a generator powering two propulsors.  Credit: Astro Mechanica

U.S. startup Astro Mechanica plans to take its hybrid-electric supersonic engine into high-altitude and high-speed ground testing this year as it moves toward flying the unique powerplant in 2027 in a specially designed propulsion testbed aircraft. This is planned to be followed in late 2028 by a...

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