Aerospace

Video: Supersonic airline startup unveils new engine

16 December 2022

Boom Supersonic has unveiled its propulsion system designed to carry its supersonic airline, Overture, into the sky.

Called Symphony, the engine was developed by Florida Turbine Technologies (FTT), GE Additive and StandardAero.

“Developing a supersonic engine specifically for Overture offers by far the best value proposition for our customers,” said Blake Scholl, founder and CEO of Boom Supersonic. “Through the Symphony program, we can provide our customers with an economically and environmentally sustainable supersonic airplane — a combination unattainable with the current constraints of derivative engines and industry norms.”

The engine will be a medium-bypass turbofan engine with the same basic architecture that powers modern commercial aircraft. The propulsion system will include a Boom-designed axisymmetric supersonic intake, a variable-geometry low-noise exhaust nozzle and a passively cooled high-pressure turbine.

Other features include:

  • Twin-spool, medium-bypass turbofan engine, no afterburner
  • 35,000 lbs of takeoff thrust
  • Optimized for 100% sustainable aviation fuel
  • Single-stage fan designed for quiet operation
  • 3D printing of parts for reduced assembly costs and weight
  • Compliant with FAA and EASA Part 33 requirements

The Symphony engine is designed to operate at net zero carbon and meet Chapter 14 noise levels. The engine is expected to deliver a 25% increase in time on wing and significantly lower engine maintenance costs, which will result in an overall reduction of operating costs for airline customers by 10%.

With the development of the Overture engine, the Overture aircraft is on track to achieve type certification in 2029. Boom Supersonic said production is set to commence in 2025 at Boom’s super factory in Greensboro, North Carolina. Roll out is expected to begin in 2026 with the first flight in 2027.

To contact the author of this article, email PBrown@globalspec.com


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