Engine makers sound downbeat on supersonic, leaving Boom in a bind
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In the wake of Rolls-Royce’s departure from Boom Supersonic’s Overture programme, three additional propulsion specialists have indicated they have no interest in developing powerplants for supersonic civilian aircraft, leaving fresh questions about who will supply the jet’s engines.
Boom is developing Overture, a four-engined airliner it says will carry 65-80 passengers, fly at Mach 1.7 and have range of 4,250nm (7,871km). First delivery is scheduled for 2029.
However, as yet, there is no engine supplier. That issue was brought into focus last week when Rolls-Royce announced it was exiting the project having completed contracted engineering studies.
Now GE Aviation, Honeywell and Safran Aircraft Engines tell FlightGlobal they also have no interest in developing engines for civil supersonic aircraft.
