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Old 26th August 2011 | 23:00
  #503 (permalink)  
DozyWannabe
 
Joined: Jul 2002
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From: UK
Originally Posted by rudderrudderrat
In ALT LAW - when stick free, the FBW computers would maintain the same attitude and probably apply more nose up elevator and trim in an attempt to maintain 1g during the stall.
Based on the generalised design specs I remember, that doesn't sound right to me. Can anyone (maybe A33Zab or PJ2) confirm or refute that? Remember that the loading protections are still active in Alt 2.

On a quick eyeball check of the FDR traces (after the post-apogee slam to the backstick stops), the aircraft is indeed maintaining roughly one g in the stall with the elevators slammed up, except for the two periods where backstick is released, the elevators start to return to neutral and the g traces show a change in value - suggesting that letting go of the stick would have had some effect on what the load factor protections would command. What that effect would have been - let alone would it have been enough - I don't have the information to answer.
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