PPRuNe Forums - View Single Post - TAP Portugal Airbus A320 Strikes Wingtip
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Old 17th Apr 2022, 17:19
  #23 (permalink)  
FlightDetent

Only half a speed-brake
 
Join Date: Apr 2003
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Does not really fit the FCOM limited explanation
- there is an accumulator on the system
- the four petals are operated by a single (?) hyd valve
- by the looks of it, each petal is hinged to the actuator to weathervane shut if not energised
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