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Search: Posts Made By: FrequentSLF
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13th Dec 2019, 21:11
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

The blame is in the user of the data, a user of...

The blame is in the user of the data, a user of the data should have a data validation, which is what Boeing is working for MCAS. You are also putting on the same level warnings (stick shaker and air...
10th Nov 2019, 15:43
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

https://www.microsoft.com/en-in/msidc/ It is...

https://www.microsoft.com/en-in/msidc/
It is well know that most of the software today is developed in India, Microsoft is an example, see the link. I would not see as cheapest path, but probably...
9th Nov 2019, 02:39
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

Sorry but i disagree, first of all we need to...

Sorry but i disagree, first of all we need to classify if MCAS is a stall warning or a stall identification system, once we define that we can define what are the actions required. According to...
5th Nov 2019, 03:08
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

It might sound as a stupid question, but what...

It might sound as a stupid question, but what would change columns forces other than a pitch up tendency?
4th Nov 2019, 19:16
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

I think the correct definition for a stick shaker...

I think the correct definition for a stick shaker is stall warning, while a stick pusher is a stall identification
2nd Nov 2019, 16:07
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

From Lemme article Bold added by me. Am I...

From Lemme article

Bold added by me.
Am I speculating too much if I say that Boeing denies that MCAS is a stall identification system because otherwise it would have not been approved? A stall...
31st Oct 2019, 23:47
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

For my understanding, the orginal MCAS design...

For my understanding, the orginal MCAS design would stop and return the stab to the original position
23rd Oct 2019, 17:14
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

I wonder why the maximum allowed height is the...

I wonder why the maximum allowed height is the one of the NG... seems that some certification parameters have been made to fit existing models and subsequent grandfathering
18th Sep 2019, 22:49
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

FAA

https://www.cnbc.com/amp/2019/09/18/faa-chief-says-he-wont-certify-the-737-max-until-he-flies-the-plane-himself.html

Can he really fly the plane before certification?
5th Aug 2019, 18:27
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

Looking at the wiring diagrams posted on this...

Looking at the wiring diagrams posted on this thread there is no interlocking of the trim switches, i.e. both sides have the same authority at all times. Is not clear if the drawings posted have all...
7th Jul 2019, 04:49
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

https://www.usatoday.com/story/news/nation/2019/07...

https://www.usatoday.com/story/news/nation/2019/07/06/boeing-737-max-crash-grounded-problems-flight-training-pilots-faa/1641781001/

foreign pilots without skills...that is what american news is...
7th Jul 2019, 04:17
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

you got it! stop blaming those guys that lost...

you got it!
stop blaming those guys that lost their lives in trying to fly a plane with deaign flaws... and focus on how to fix those design mistakes.. yoko1 i have asked to you a few days ago about...
3rd Jul 2019, 22:43
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

Microprocessor overload

Proposed fix
https://cimg7.ibsrv.net/gimg/pprune.org-vbulletin/225x225/images_b990b9ad13a6b7c251c8d37d6814ee387911d1b0.png
2nd Jul 2019, 23:50
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

maybe my English is so bad that I could not made...

maybe my English is so bad that I could not made my point clear.. i am exactly saying be able to turn off AP (HAL) and be able to mantain electrical control
2nd Jul 2019, 23:20
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

since the Captain has overall authority, why...

since the Captain has overall authority, why depriving him of the possibility to shut off HAL, if he choose so? Actually why that was the path chosen? I speculate that the airframe will have issues...
2nd Jul 2019, 22:23
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

what I understand from those drawings is that a...

what I understand from those drawings is that a black box called controller collects both main trim and AP trim, and that drives the motor, what logic is inside that black box, what type of signals...
2nd Jul 2019, 06:55
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

The FDR trace show only one cockpit pitch trim...

The FDR trace show only one cockpit pitch trim control input position, it does now show BOTH thumn switches, that might lead to assume is an elaborated signal that is taken at the servo motor...
2nd Jul 2019, 02:03
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

i spent long time wondering why those switches...

i spent long time wondering why those switches function was changed, and your logic sounds exactly what a lawyer would tell to a court... it does not make any sense other than provide a legal...
2nd Jul 2019, 00:29
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

must be a really noisy clutch to be heard in the...

must be a really noisy clutch to be heard in the cockpit all the way from the tail...and recorded on the CVR, unless there are microphones on the tail.
the motor, according to the manual and info on...
30th Jun 2019, 17:59
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

[QUOTE=MemberBerry;10506346]I just noticed one...

[QUOTE=MemberBerry;10506346]I just noticed one more thing about the FDR traces of the trim commands. MCAS trim commands show up in the trace even when the cutout switches are used. But that command...
30th Jun 2019, 02:10
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

not only inside information, also time to write...

not only inside information, also time to write long posts with several references to information published long ago... and carefully trying to drive the discussion away from certain issues... like...
29th Jun 2019, 16:35
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

this opens another can of worms.. If and I say...

this opens another can of worms..
If and I say if, some logic is performed on the controller of the motor it will not comply with certifications. The motor controller should only regulate torque,...
18th Jun 2019, 17:09
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

Is a LoI, not a firm order, thus no money has...

Is a LoI, not a firm order, thus no money has been paid. A zero risk deal for IAG. It cost them only few public words of confidence in Boeing.
Deliveries are scheduled to start in 2023, they have...
17th Jun 2019, 06:51
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

MAX is anything but a FBW type, only the spoilers...

MAX is anything but a FBW type, only the spoilers are FBW
3rd Jun 2019, 00:09
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

Something wrong with the numbers 300 planes...

Something wrong with the numbers 300 planes affected by 148 parts?
1st Jun 2019, 18:42
Replies: 4,656
Views: 4,779,791
Posted By FrequentSLF

In case the forces have increased the complete...

In case the forces have increased the complete mechanical system might be unsafe. First thing that comes to my mind are the steel cables... but is not limited to those only
Showing results 1 to 26 of 26


 
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