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Old 21st January 2011 | 04:09
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edsilkworth
 
Joined: Jan 2011
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From: Bordentown, NJ
Structural modal oscillations
Structural modal oscillations are an undesired effect created by turbulence, which causes bending of the fuselage around the wing area. The Boeing 747-400 uses modal accelerometers in the yaw damper system to suppress the oscillations.
Ref: Avionics:Systems and Troubleshooting, Eismin ISBN:0-9708109-1-1
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