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Forum: Tech Log

15th Jun 2013, 08:02

Replies: 976

AF 447 Thread No. 11

Views: 217,028

Posted By predictorM9

I have a question regarding all these laws: was...

I have a question regarding all these laws: was it put somewhere on the ECAM that the plane was now in Alternate 2B law? The ECAM just says "Alternate", which is pretty vague. Does it matter to know...

Forum: Tech Log

14th Apr 2013, 16:52

Replies: 976

AF 447 Thread No. 11

Views: 217,028

Posted By predictorM9

Not entirely though. Because there is a maximal...

Not entirely though. Because there is a maximal alpha prot for the low machs, and they could take this one into account even with lost airspeeds, i.e. they could have limited the trim up say up to 14...

Forum: Tech Log

13th Apr 2013, 23:09

Replies: 976

AF 447 Thread No. 11

Views: 217,028

Posted By predictorM9

It should, but from the data on the leaked...

It should, but from the data on the leaked report, when the copilot puts the stick full nose down for two seconds, the elevator goes from 30 degrees pitch up to 20 degrees pitch up. How fast is the...

Forum: Tech Log

12th Apr 2013, 18:34

Replies: 976

AF 447 Thread No. 11

Views: 217,028

Posted By predictorM9

It says: "Dans cette phase de vol, la...

It says:

"Dans cette phase de vol, la poussée maximale appliquée a un effet à cabrer non négligeable ,' le
THS est en butée à cabrer et s'ajoute donc à l'effet à cabrer; la loi de pilotage Nz (à...

Forum: Tech Log

12th Apr 2013, 18:29

Replies: 976

AF 447 Thread No. 11

Views: 217,028

Posted By predictorM9

What the report says is that the full deflection...

What the report says is that the full deflection of the elevator down was not achieved with this input, because of the alt2b law. While the same law gives the full deflection of elevator up when the...

Forum: Tech Log

12th Apr 2013, 15:59

Replies: 976

AF 447 Thread No. 11

Views: 217,028

Posted By predictorM9

stall recovery in AF447

I just read the leaked (French) experts report on AF447 (I won't put the link here, just google it) and it explicitly mentions that the plane may not have been recoverable at all because of the...

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