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Old 16th Feb 2008, 21:32
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IO540
 
Join Date: Jun 2003
Location: EuroGA.org
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777 inboard aileron Q

Flew on a 777 the other day.

These short ailerons move both up and down.

Interestingly, when their upward movement passes through a specific upwards angle, one of the speed brake surfaces pops up to help it...

I am wondering whether these inboard ailerons can move together in the same direction - to counter up/down draughts which the aircraft encounters. This would be a logical stability / passenger comfort enhancement. If an updraught causes the hull to move up, both ailerons could pop upwards and push the hull back down again. Their location is probably fairly close to the CofG for this to work.
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