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Search: Posts Made By: Double07
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Forum: Tech Log
24th Apr 2019, 19:02
Replies: 146
Views: 70,492
Posted By Double07

Originally posted by DaveReidUK (Post 137): ...

Originally posted by DaveReidUK (Post 137):

“All of the above are theoretically possible. None have actually been demonstrated to be the case”.

Originally posted by ecto1 (Post 139):

“I...
Forum: Tech Log
2nd Apr 2019, 20:36
Replies: 146
Views: 70,492
Posted By Double07

My two posts above explained how a large offset...

My two posts above explained how a large offset angle could be induced in the AoA sensor during the testing process after sensor replacement. This would have been made more likely by a failure during...
Forum: Tech Log
2nd Apr 2019, 14:43
Replies: 146
Views: 70,492
Posted By Double07

You are correct. There has been no report to date...

You are correct. There has been no report to date on whether there was a confirmed fault found with the sensor that was removed.

In two previous posts above I tried to present evidence that the...
Forum: Tech Log
1st Apr 2019, 17:05
Replies: 146
Views: 70,492
Posted By Double07

Title: AoA sensor errors on Lion Air flights JT043 and JT610

It has now been confirmed that the replacement AoA sensor that had a 22° offset on Lion Air flights JT043 and JT610 was a reworked sensor. On 28 November 2018, investigator Nurcahyo Utomo of the...
Forum: Tech Log
1st Apr 2019, 00:37
Replies: 146
Views: 70,492
Posted By Double07

Ecto1, You asked, "Question: FDR traces show nose...

Ecto1, You asked, "Question: FDR traces show nose AOA or wing AOA (=nose AOA / 2 from what I read around here?".

I believe that the FDR traces show the wing AOA, and that the calibration is wing...
Forum: Tech Log
1st Apr 2019, 00:23
Replies: 146
Views: 70,492
Posted By Double07

Loose Rivets, You asked, "Oil damping of such a...

Loose Rivets, You asked, "Oil damping of such a mechanism could I suppose be total, the windings submerged. I'd like to know".

The oil damper (or more accurately the viscous damper) in these AoA...
Forum: Tech Log
31st Mar 2019, 18:21
Replies: 146
Views: 70,492
Posted By Double07

AoA sensor errors on Lion Air flights JT043 and JT610

One may ask how the error in the captain's LHS AoA sensor on flights JT043 and JT610 originated. If the error was it present when the AoA sensor was installed wouldn’t the installation test procedure...
Forum: Tech Log
31st Mar 2019, 18:03
Replies: 146
Views: 70,492
Posted By Double07

AoA sensor errors on Lion Air flights JT043 and JT610

In 2006 a Boeing 747 taking off from London Heathrow with over 400 people onboard had both stick shakers begin to operate as the aircraft started to rotate. Once in the air, the stick shakers...
Showing results 1 to 8 of 8


 
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