PW4000 vs GE90

From:         "E.A. Singh" <s5eas@csc.liv.ac.uk>
Organization: Computer Science, University of Liverpool, UK
Date:         17 Jul 95 04:29:32 
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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 ?

--eddy