Rolls-Royce is ready for business when a supersonic jet producer knocks on their door. Internally, the company has done a lot of work to see define the size. Rolls-Royce believes itself to be in the best position to be able to provide an engine capable of flying supersonic speeds. It is the only engine manufacturer with the commercial supersonic experience since it supplied the Olympus engines that powered the Concorde. Currently, the company defines the market into two different segments. The first is a pure supersonic plane, the second is a category of aircraft flying at subsonic speeds most of the time, but also has the ability to fly supersonic when needed. For

Currently, the company defines the into two segments. The first is a pure supersonic plane, the second is a category of aircraft flying at subsonic speeds most of the time but has the ability to fly supersonic when needed. For Rolls-Royce, the second category of aircraft is one what they believe will be first produce, even though it will take many years to the rules legislation that will allow aircraft to fly supersonic over land. Not only from the government’s point of view but also to have the current technology to mitigate the effects of sonic booms and its associated sound waves. Aerion in one category. AS2 will be able to fly at Mach 1.2 without creating a sonic boom (depending on air temperature and

Aerion is this category.  The AS2 will be able to fly at Mach 1.2 without creating a sonic boom (depending on air temperature wind) and fly at subsonic speeds at other times. Once the plane is above open water it will be able to fly at Mach 1.5.  Spike Aerospace takes a different route and says that the noise associated to their S-512 will be about as strong as a low applause, even when traveling at the speed of Mach 1.8. The manufacturers of both websites say that the engines needed to power the aircraft will be 20,000

Spike Aerospace takes a different route says that the noise associated to their S-512 will be about as loud as a low applause, even when traveling at the speed of Mach 1.8. The manufacturers of both websites say that the engines needed to power the aircraft will be 20,000

The manufacturers of both say that the engines needed to power the aircraft will be at thrust levels of 20,000 lbs or less.  The AS2 Aerion will have three engines at 16,000 lbs each, Spike S-512 will have two producing 20,000 lbs each. By comparison, the final version of the four Olympus engines that powered Concorde each produced 38,050 lbs with reheating.

Fabio Gigante

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