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Old 26th September 2001 | 17:05
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Luke Mc
 
Joined: Aug 2001
Posts: 62
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From: Liverpool, UK
Post UDF (unducted fan)
I seem to remember in the 80s there where tests with unducted fan engines, and various models where being planned powers by UDFs. Why havent these caught on and there are no commercial planes flying with UDFs today?
Luke
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