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EcoPulse Debut at Paris Highlights Progress on Sustainable Solutions

The distributed power demonstrated by CORAC-led collaboration between Daher, Safran, and Airbus emerges as a theme in the drive toward a market-ready airplane.

The EcoPulse technology demonstrator flew to Paris-Le Bourget Airport (LFPB) under traditional turboprop power in its aerodynamic proving phase prior to operating the six electric motors on its wings in flight. [Courtesy: Daher]
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Key Takeaways:

  • The EcoPulse project is a collaborative hybrid-electric aircraft demonstrator, led by Daher, Safran, and Airbus with French governmental support, aimed at advancing distributed propulsion for aviation decarbonization.
  • Built on a Daher TBM 900 airframe, it integrates six Safran electric motors, a turbogenerator, and an Airbus battery pack to test a complex 800-volt electrical system.
  • After initial flight tests using its conventional engine, the demonstrator is preparing for its first hybrid-electric flights to gather critical data, with the goal of developing a market-ready hybrid aircraft by 2027.
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The concept of distributed power—thrust produced not from a single point on an airframe—began with the Wrights and their extremely light twin. When exploring the feasibility of utilizing electric motors—which tend to be lower output, lighter, and cooler in operation than their fossil-burning brethren—distributing the lift across the airframe from several points makes sense. 

From a literal standpoint, many examples of this concept jostled for attention on the static display and in the halls at the Paris Air Show at Le Bourget this year. But the distributed power demonstrated by CORAC-supported collaboration between major aerospace OEMs Daher, Safran, and Airbus on the EcoPulse project has also emerged as a theme in the drive toward a market-ready airplane.

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