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Forum: Tech Log

15th Jun 2011, 16:41

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

RetiredF4, Thanks for your interesting post...

RetiredF4,
Thanks for your interesting post (http://www.pprune.org/tech-log/452836-af447-thread-no-3-a-102.html#post6514873), and for drawing my attention to the recent contributions of mm43,...

Forum: Tech Log

15th Jun 2011, 10:16

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

Quote from Lazerdog: "As they were descending...

Quote from Lazerdog:
"As they were descending in the the stall through 10,000 feet, the THS was trimmed up automatically."
All of us are occasionally running into problems of ambiguity, due to the...

Forum: Tech Log

15th Jun 2011, 01:02

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

DozyWanabee, quote: "Unless you're saying that...

DozyWanabee, quote:
"Unless you're saying that it's possible for the FBW system to command up elevator with commensurate THS trim to maintain G-loading in this scenario I don't see how we're...

Forum: Tech Log

14th Jun 2011, 23:54

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

bearfoil, quote: "I had always thought the...

bearfoil, quote:
"I had always thought the purpose of Aft Trim Tank, or even "geographic" changes to enhance aft trim were intended to add Drag, "Lift" to the tail such that the AoA of the wing...

Forum: Tech Log

14th Jun 2011, 13:37

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

DW, Do we Know what the THS setting was in the...

DW,
Do we Know what the THS setting was in the cruise prior to the UAS event? The idea of the trim tank is to enable the THS to be fairly neutral. As far as I know, the THS was thus until the steep...

Forum: Tech Log

14th Jun 2011, 12:52

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

Lonewolf 50, Sorry to steal your thunder. ...

Lonewolf 50,
Sorry to steal your thunder.

Was just about to add a PS to my post: I venture to say that Airbus FBW aircraft in Pitch-Normal and Pitch-Alternate laws lack the speed-stability of a...

Forum: Tech Log

14th Jun 2011, 11:57

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

Autotrim

Quote from DozyWannabe (Jun13/2255z):
"The only way autotrim is activated is if the stick is fully deflected and held there past the elevator travel limit. It's there to give the pilot more...

Forum: Tech Log

13th Jun 2011, 23:39

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

Quote from Smilin_Ed: When practicing stalls,...

Quote from Smilin_Ed:
When practicing stalls, student pilots are warned NOT to trim into the stall. That is so when they let go of the stick, the airplane will return to a trimmed speed which is...

Forum: Tech Log

1st Jun 2011, 11:06

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

ACARS Messages – time-stamps

Salut encore takata,

Am catching up, currently only 40 hours behind in this plethora of mess ages...

Re the time-stamp on the ACARS warning/failure messages:

is it your understanding...

Forum: Tech Log

28th May 2011, 02:33

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

Back in the Loop?

spagiola post (http://www.pprune.org/tech-log/452836-af447-thread-no-3-a-6.html#post6477199) #117 (27/1733z):
"Did the resumption of the stall horn once the speeds once again become valid after...

Forum: Tech Log

27th May 2011, 20:11

Replies: 2,070

AF447 Thread No. 3

Views: 616,503

Posted By Chris Scott

Coming out of Quarantine

Presumably, this afternoon, you guys have been discussing the BEA "Update on Investigation". For what it's worth, I've been in voluntary quarantine since just before it came out. As soon as it...

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