Aerion’s supersonic engine presented

By Bjorn Fehrm

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February 26, 2018, ©. Leeham Co: Aerion Supersonic’s CEO and Executive Chairman, Brian Barents, presented the first pictures of the Aerion AS2 biz jet’s engine at the recent PNAA conference in Seattle.

It’s the first engine adapted for supersonic passenger transport since the Concorde’s Olympus engine was developed in the 1960s.

Figure 1. Aerion's supersonic AS2 business jet. Source: Aerion.

Based on the released configuration sketch, we put the engine through our GasTurb modelling software. Here’s what we found.

  • The Aerion AS2 engine combines the CFM56 core with a new high Specific Thrust low-pressure spool.
  • Through the AS2's M1.4 cruise speed limit, complex variable engine inlets and outlets can be avoided.

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