Re: 777 engine imbalance (Business Week, 1/29)

From:         Andrew Goldfinger <>
Organization: apl
Date:         27 Feb 96 23:00:33 
References:   1 2 3 4
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In article <airliners.1996.184@ohare.Chicago.COM> H Andrew Chuang, writes:
>an issue out of this.  Since these tests require the engine to maintain
>certain level of thrust, the vibration that one would experience in
>windmilling cannot be any worse than that at 80 or 90% speed.

      But it would be at a different frequency, and could drive
resonances in the aircraft.