PW4000 vs GE90

From:         "E.A. Singh" <>
Organization: Computer Science, University of Liverpool, UK
Date:         17 Jul 95 04:29:32 
Followups:    1 2
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Hi there

Can anybody enlighten me on the type of control mechanisms used on the PW4000
and whether it is completely computer controlled? Is it controlled by a FADEC
system? What about the reliability of this Engine? Any pilots flying this and
can compare say against the GE90 ?