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Rolls Royce UltraFan

Grey Havoc

The path not taken.
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https://www.flightglobal.com/news/articles/rolls-royce-ultrafan-could-spark-patent-complaint-p-437769/
 

steelpillow

So many projects, so little time...
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Around 0.7m (over 2 ft) bigger fan than the biggest Trent.

Intriguing to see a return to the carbon fibre blades originally developed for the early RB-211, but abandoned due to a tendency to fail under birdstrike and similar impact. I guess the heavy titanium leading edge of the ultrafan must have something to do with that.
 
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