DBEA55AED16C0C92252A6554BC1553B2 Clicky DBEA55AED16C0C92252A6554BC1553B2 Clicky
May 29, 2025
Care to share?

Even if we have seen this before many years ago from GE and P&W, it is great to see this technology make a comeback.

The concept is well known; open rotors have a much lower fuel burn, in part because of the tremendous bypass ratio.  Here’s GE’s Unducted Fan engine video.

So what has SAFRAN done that’s different?  Safran says that issues with noise and vibrations have been solved.  Plus they are using new materials, for example, the blades are 3D woven. This makes them lighter and they are solid.  This Open Rotor demonstrator was been developed under the European Clean Sky research program.  SAFRAN claims the architecture of the Open Rotor will reduce fuel consumption and CO2 emissions by 30% over the CFM56.

2017 10 03 8 34 06

SAFRAN has an open-air rig at Istres where the engine will be tested.

Views: 1

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Subscribe To Our Newsletter

http://eepurl.com/cOygdP