Aircraft
Boom Supersonic Outlines Its Own Engine Design
Taking on a huge risk to the Overture supersonic airliner program, Boom Supersonic has elected to design and build its own turbine engine.
Boom Supersonic Symphony turbine engine
Boom says it will develop the engines for its Overture supersonic airliner with help from the Kratos group, GE Additive, and Standard Aero. (Image: Boom Supersonic)

Boom Supersonic announced that it has formed a team of engine designers, an additive manufacturer, and a turbine engine maintenance specialist to help develop the new Symphony engine that will power its Overture supersonic airliner. However, the U.S. start-up, which to date has not been able to persuade any of the major aircraft engine makers to join its ambitious program, did not identify which company will manufacture the Symphony engine nor where it will be made.

The new engine will produce 35,000 pounds of takeoff thrust and features a twin-spool architecture with a single-stage fan and a passively cooled high-pressure turbine using traditional hot-section materials. The medium-bypass-ratio engine will not be equipped with an afterburner.

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