Consortium for the development of a new turbofan plant

Boom Supersonic, the company planning the world’s fastest aircraft, has announced Symphony, a new propulsion system designed and optimized for their supersonic Overture aircraft. Boom also announced that it will partner with three industry leaders to develop Symphony including Florida Turbine Technologies (FTT) – a business unit Kratos Defense & Security Solutions Inc. – for engine design, GE additive to consult on the design of additive technology and StandardAero for maintenance.

The Symphony will be a mid-bypass turbofan engine with the same basic engine architecture that currently powers all modern commercial aircraft. Unlike subsonic turbofan engines, this new propulsion system will include an axisymmetric supersonic intake designed by Boom, a low-noise variable geometry exhaust nozzle and a passively cooled high-pressure turbine.

Engine design features include:

• Architecture: twin coil, mid-bypass turbofan engine, no afterburner

• Thrust: 35,000 lb at takeoff

• Fuel: optimized for 100% Sustainable Aviation Fuel (SAF)

• Single stage fan designed for silent operation

• Passively cooled high-pressure turbine

• Additive manufacturing for light weight, small number of parts and reduced assembly costs

• Certification: in accordance with FAA and EASA Part 33 requirements

“Developing a supersonic engine specifically for Overture offers by far the best value for our customers,” said Blake Scholl, founder and CEO of Boom Supersonic.

Symphony will be a unique design that will use proven technologies and materials to achieve optimal supersonic performance and efficiency. Overture’s new propulsion system will operate at zero carbon and meet Chapter 14 noise levels. Compared to derivative approaches, Symphony is expected to deliver a 25% increase in wing time and significantly lower engine maintenance costs, reducing total aircraft operating costs for airlines. clients by 10%.

“United and Boom share a passion to make the world dramatically more accessible through sustainable supersonic travel,” said Mike Leskinen, president of United Airlines Ventures. “The team at Boom understands what we need to create a compelling experience for our passengers, and we look forward to United’s supersonic fleet powered by Symphony.”

Boom selected FT as its engine design team for its expertise in supersonic engine design, including key engineers on the team responsible for the design of the F-119 and F-135 supersonic engines that power the F-22 and F-35.

“The team at FTT has a decades-long history of developing innovative, high-performance drive solutionssaid Stacey Rock, President of FTT. “We are proud to partner with Boom and its Symphony partners and look forward to developing the first engine of its kind for sustainable, economical supersonic flight.”

GE Additive will also collaborate on the Symphony program, offering a proven track record in designing additively manufactured engine components that enable simpler development, reduced weight and improved fuel efficiency.

“We are excited to support Overture and Symphony,” said Chris Schuppe, general manager of engineering and technology at GE Additive. “GE Additive will bring industry-leading capabilities to Symphony, providing additive manufacturing design consulting and technology, while seeking additional areas for potential collaboration.”

In addition, StandardAero, one of the largest independent providers of maintenance, repair and overhaul (MRO) services in the aerospace industry, will ensure that Symphony is designed for maintenance. Boom’s collaboration with StandardAer aims to provide reliable and cost-effective operations and provide maintenance services throughout the aircraft’s lifetime. Boom will also benefit from StandardAer’s experience as an assembler of supersonic engines.

“We are excited to join Boom as a strategic engine MRO partner and for the opportunity to contribute to the company’s bright future by ensuring its aircraft receive the best MRO services in the industry,” said Russell Ford, President and CEO of StandardAero. “Our current qualifications, capabilities and experience in the assembly and servicing of supersonic military jet engines make us an intelligent solution for future commercial supersonic engine applications for MRO.”

With the Symphony design already underway, Overture aims to achieve type certification in 2029. Production is scheduled to begin in 2024 at Overture’s superfactory in Greensboro, North Carolina, with introduction in 2026 and first flight in 2027.

Serving the civilian and government markets, the Overture will fly twice as fast as today’s aircraft. Symphony, a Boom-led collaboration with industry leaders, is the drive system that will power Overture. Overture’s order book, including purchases and options from American Airlines, United Airlines, and Japan Airlines, has 130 aircraft. Boom is working with Northrop Grumman for government and defense Overture applications. Vendors and partners working with Boom on the Overture program include Collins Aerospace, Eaton, FTT (a business unit of Kratos Defense & Security Solutions Inc. based in Jupiter, Fla.), GE Additive, Safran Landing Systems, StandardAero and the US Air Force.

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