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Search: Posts Made By: zzuf
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Forum: Tech Log
24th May 2017, 09:50
Replies: 126
Views: 47,157
Posted By zzuf

@Owain Thanks for your response, in retrospect...

@Owain
Thanks for your response, in retrospect my comment was generated as a result of total frustration at the technical level of responses, from a "flight controls engineer", particularly the...
Forum: Tech Log
24th May 2017, 00:14
Replies: 126
Views: 47,157
Posted By zzuf

Armadis of Gaul, not only as you say, but this...

Armadis of Gaul, not only as you say, but this guy obviously has no engineering background, despite his claim of being a flight control engineer.
I was going to write a detailed post on how he, on...
Forum: Tech Log
23rd May 2017, 06:54
Replies: 126
Views: 47,157
Posted By zzuf

Quote Airbus response to NTSB There are...

Quote Airbus response to NTSB

There are feedbacks within the AoA protection law aiming at damping the phugoid mode (low frequency mode). Without these feedbacks, an aircraft upset from its...
Forum: Tech Log
23rd May 2017, 04:02
Replies: 126
Views: 47,157
Posted By zzuf

QuagmireAirlines I would be interested in how...

QuagmireAirlines
I would be interested in how you would intend to wash out the phugoid damping term, from the alpha protect law, at low altitude, over a very short time interval, while there is a...
Forum: Tech Log
23rd May 2017, 01:29
Replies: 126
Views: 47,157
Posted By zzuf

All this chat about alpha margin is totally...

All this chat about alpha margin is totally irrelevant without knowledge of the extra manoeuvre capability to be gained by an alpha increase. We all know that the speed was way below a safe speed...
Forum: Tech Log
22nd May 2017, 08:50
Replies: 126
Views: 47,157
Posted By zzuf

Penko, I guess I am with you. Lack of good...

Penko, I guess I am with you.
Lack of good accurate speed control suggests to me that the crew were close to overloaded by the circumstances.
Those who suggest that reversion to direct law may have...
Forum: Tech Log
22nd May 2017, 04:23
Replies: 126
Views: 47,157
Posted By zzuf

It seems to me that because of the low speed...

It seems to me that because of the low speed Sully was lucky to have been able to achieve the flare that he did - it was at the edge of having enough manoeuvre capability.
This thread started with...
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