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Old 13th Dec 2015, 14:44
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RogerGliding
 
Join Date: Apr 2008
Location: England
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Not forgetting RR.
See also this:
Rolls-Royce Details Advance And UltraFan Test Plan | Commercial Aviation content from Aviation Week
and this :
Rolls Freezes Design Of First UltraFan Test Gear | Technology content from Aviation Week
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