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26th Sep 2001, 17:02

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Luke Mc

Join Date: Aug 2001

Location: Liverpool, UK

Posts: 62

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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