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re: Behind the Lion Air Crash, a Trail of Decisions Kept Pilots in the Dark
Posted on 2/4/19 at 1:38 pm to 777Tiger
Posted on 2/4/19 at 1:38 pm to 777Tiger
quote:
you can push the rudder full throw but until you have sufficient airflow over the control surfaces you do not have rudder authority, and have actually increased drag and worsened your state
The rudder boost system was said to lower the rudder pedal input force required by 85%. You couldn't push the rudder pedal all the way if an engine failed at the wrong time. You're thinking of this as an airspeed limitation, which I know it usually is, not as a control input limitation--that wasn't always the case for big planes with unpowered flight controls.
1
Posted on 2/4/19 at 1:41 pm to 777Tiger
quote:
you can push the rudder full throw but until you have sufficient airflow over the control surfaces you do not have rudder authority, and have actually increased drag and worsened your state
Correct. Vmc is a control number. It doesnt care about climbing away from the ground.
It doesnt care about your energy state except for the amount of air molecules passing over the rudder.
Boosted controls just make it easier to push the surfaces to their limits.
Posted on 2/4/19 at 1:51 pm to just1dawg
Have had boosted flight controls and thrust assymetry compensation for decades, not related, at all, to Vmc.
Posted on 2/4/19 at 3:28 pm to 777Tiger
How soon before all major air travel becomes fully automated?
Posted on 2/4/19 at 3:33 pm to RedRifle
quote:Airline pilots are unionized. So good luck with that.
How soon before all major air travel becomes fully automated?
Posted on 2/4/19 at 4:22 pm to RedRifle
Indonesian Air?
Indonesian pilots?
Indonesian pilots?
Posted on 2/4/19 at 4:37 pm to RedRifle
Other airlines were made aware of the new flight control changes. The voice recorder will tell where the blame needs to be placed.
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