The condition of supercharging a reciprocating engine in which a
two-speed, single stage internal supercharger is operating at its
high speed ratio. This ratio is normally about 10 times the speed
of the crankshaft.
"You know the root cause here -- the fastener industry
got consolidated, post 9/11. The consolidators misjudged the demand
swingback -- a lot of us misjudged the demand swingback -- post
Source: Boeing CEO James McNerney, who during a
Tuesday teleconference pointed his finger at Alcoa Inc. and others
as reasons why the company had to postpone the first flight of the
composite-bodied 787 Dreamliner.