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Forum: Tech Log

28th May 2011, 21:35

Replies: 2,070

AF447 Thread No. 3

Views: 616,306

Posted By augustusjeremyreborn

clandestino: You are right. It is...

clandestino:

You are right. It is trimmable and it was 13 degrees down (pitching-up). With 107 kts ground speed it could maintain a 16 degrees a/c pitch-up attitude.

Let's get back to...

Forum: Tech Log

28th May 2011, 20:44

Replies: 2,070

AF447 Thread No. 3

Views: 616,306

Posted By augustusjeremyreborn

horizontal stabilizer ineffective

airspeed (a/c aft/fw speed vector) almost zero

ground speed at around 107kt

I suppose that elevators wouldn´t sustain a 16º pitch-up in such conditions if the weight was in the right place.
...

Forum: Tech Log

28th May 2011, 16:35

Replies: 2,070

AF447 Thread No. 3

Views: 616,306

Posted By augustusjeremyreborn

cargo ? fuel trim ? both?

It went into the deep stall too easily. Should the cause rest only on the THS trim and/or the PF's pitch-up inputs ?

Sorry if I seem rather intuitive than technical...

Forum: Tech Log

28th May 2011, 02:43

Replies: 2,070

AF447 Thread No. 3

Views: 616,306

Posted By augustusjeremyreborn

But... It should go nose down anyway......

But... It should go nose down anyway... Independent of sidestick inputs

Cg in the right place + excessive AoA should always equal pitch-down and a consequent reduction in AoA. Naturally.
...

Forum: Tech Log

27th May 2011, 21:27

Replies: 2,070

AF447 Thread No. 3

Views: 616,306

Posted By augustusjeremyreborn

center of gravity

Would that stall happen (the plane having no aft-forward velocity before a "natural nose down") with a "more forward" CG ?

I mean: Wouldn´t the plane go nose down before the a/c aft-forward speed...

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