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Thread: Flight spoiler purpose
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Old 8th April 2013 | 13:35
  #6 (permalink)  
misd-agin
 
Joined: Jan 2006
Posts: 2,205
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From: US
Asymmetrical deployment for roll.

Symmetrical deployment in flight for drag(reduce airspeed of increase rate of descent).

Symmetrical deployment on ground. Increase brake effectiveness by increasing weight on wheels but also has a drag effect.
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