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AIN Online – June 18, 2020 – GE Tackling Environmental Challenges with Affinity Engine

Posted on June 19, 2020

GE Tackling Environmental Challenges with Affinity Engine

 – June 18, 2020, 5:21 PM

GE Aviation this week provided a glimpse into design challenges that the company is working through as it progresses on the twin-shaft, medium-bypass Affinity engine selected to power the Aerion AS2 supersonic business jet. Aerion Supersonic and GE announced plans in October 2018 to move forward with the Affinity for the AS2, saying it would be designed using a “proven engine core adapted from GE’s commercial airline portfolio” with the latest technology full authority digital engine control, an advanced twin-fan, durable combustor, and advanced acoustic technology that would meet or exceed regulatory requirements.

While GE has not specified beyond saying the engine pulls from its commercial engine core expertise, it is believed to borrow from the CFM56. But GE does say the Affinity adopts features from its new Passport business jet engine such as the front fan blisks and slimline composite core ducting.

Anticipated to be part of a family in the 16,000- to 20,000-pound-thrust range, the Affinity will be . . .

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