AP

Aviation startup picks engine designer for supersonic plane

Dec 12, 2022, 2:47 PM | Updated: Dec 13, 2022, 8:59 am

FILE - This undated image provided by Boom Supersonic shows Boom Supersonic Overture Aircraft. Avia...

FILE - This undated image provided by Boom Supersonic shows Boom Supersonic Overture Aircraft. Aviation startup Boom Technology Inc. says it will power supersonic passenger jets with engines designed by a company better known for making small engines used on drones and cruise missiles. Boom said Tuesday, Dec. 13, 2022, that Florida Turbine Technologies, or FTT, will design the engines and a division of General Electric will manufacture them for its jet, which it says could be making test flights in 2026 and carrying passengers a few years after that. (Boom Supersonic via AP)

(Boom Supersonic via AP)

DALLAS (AP) — Aviation startup Boom Technology says it will power supersonic passenger jets with engines designed by a company better known for making small engines used on drones and cruise missiles.

Boom said Tuesday that Florida Turbine Technologies, or FTT, will design the engines. The company says the plane could be making test flights in 2026 and carrying passengers a few years after that.

The company says its 88-seat jet, called Overture, will use four engines, fly up to 1.7 times the speed of sound — about 1,300 mph — and use sustainable aviation fuel.

The Denver company generates plenty of skepticism in aviation circles for its ambitious schedule and certitude that supersonic passenger flights can be economically feasible and environmentally benign. Concorde, a supersonic jet that traveled transatlantic routes, was neither, and it stopped flying in 2003.

Getting the plane certified will be daunting, with regulators more cautious after two deadly Boeing Max crashes. Flights would likely be limited to ocean crossings or would have to slow down over land to limit damage from sonic booms. And Boom overhauled Overture’s design just a few months ago.

“I understand that people say Boom’s got its work cut out for us. We do,” founder and CEO Blake Scholl said in an interview. “The people who think we’re not going to get there — I look forward to having them on board a flight.”

Much of the skepticism has centered on the lack of an engine for Overture. Rolls Royce ended its relationship with Boom earlier this year after producing some engineering studies, and other leading engine makers indicated they weren’t interested in stepping in.

Scholl said Boom “looked at a bunch” of other engine designers and manufacturers before settling on FTT, which is majority owned by Kratos Turbine Technologies. It also tapped a General Electric division to provide technology design consulting, and Arizona-based StandardAero for maintenance. He declined to name the other companies.

Scholl said Boom will reduce costs by designing an entirely new engine rather than tweaking one made for subsonic flight.

“This is the first engine designed from scratch for sustainable commercial supersonic flight,” he said.

American Airlines and United Airlines have made deposits on future Overtures — although neither airline would say how much they put down.

Boom plans to build Overture in Greensboro, North Carolina, partly because of its location near open ocean where the planes can be tested without rattling windows on the ground.

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