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Search: Posts Made By: CONSO
Showing results 1 to 35 of 42
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Forum: Rumours & News
7th Dec 2018, 01:23
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Suspect it was a delete option- not a standard...

Suspect it was a delete option- not a standard display... If my memory of earlier discussion in this thread is correct ...
Forum: Rumours & News
6th Dec 2018, 22:41
Replies: 2,099
Views: 1,471,761
Posted By CONSO

from this SLF- when ONE faulty sensor input...

from this SLF- when ONE faulty sensor input allows " hal " to override manual control AFTER correction by the pilots without warning or deliberate reset, without notice, or mention, the " chain of...
Forum: Rumours & News
5th Dec 2018, 18:28
Replies: 2,099
Views: 1,471,761
Posted By CONSO

I believe the above says it all- in addition...

I believe the above says it all- in addition allowing a single sensor input to command /override a manual input without notice and on some sort of cycle.

Heads should roll . . .
Forum: Rumours & News
5th Dec 2018, 15:39
Replies: 2,099
Views: 1,471,761
Posted By CONSO

WSJ...

WSJ https://www.wsj.com/articles/behind-boeings-decision-to-omit-details-on-safety-system-in-lion-air-crash-from-manual-1544025884?mod=hp_lead_pos1



Has some graphs

Lion Air Flight 610...
Forum: Rumours & News
2nd Dec 2018, 17:43
Replies: 2,099
Views: 1,471,761
Posted By CONSO

seems to me ( SLF ) that with a longer body and...

seems to me ( SLF ) that with a longer body and therefore a longer lever arm about nominal CG, less trim than on a shorter body would be needed to get the same pitch effects. How much would be a...
Forum: Rumours & News
2nd Dec 2018, 00:27
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Most of the real engineers are in seattle area...

Most of the real engineers are in seattle area for commercial- Chicago has the' executives " and with few exceptions the only engineers there are by request or those carrying out the garbage (...
Forum: Rumours & News
1st Dec 2018, 20:51
Replies: 2,099
Views: 1,471,761
Posted By CONSO

IMHO as a SLF ---- IF as stated in documents ---...

IMHO as a SLF ---- IF as stated in documents --- a single faulty AOA sensor was allowed to repeatedly autotrim stabilizer even after normal disconnect by push/pull on control column- the answer is...
Forum: Rumours & News
30th Nov 2018, 05:22
Replies: 2,099
Views: 1,471,761
Posted By CONSO

legalese hoping to avoid responsibility- IMHO...

legalese hoping to avoid responsibility- IMHO wording really should be " WILL repeat nose down trim for 10 seconds, followed by a 5 second pause, then repeat . . "

as in page 51 of the report
...
Forum: Rumours & News
30th Nov 2018, 04:26
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Unhappy ..... ZZUF For this MCAS system to work the...

..... ZZUF
For this MCAS system to work the aircraft needs to "know" when it has reached the particular flight envelope corner. I would expect that inputs such as alpha, alpha rate, bank angle, flap...
Forum: Rumours & News
29th Nov 2018, 20:34
Replies: 2,099
Views: 1,471,761
Posted By CONSO

THIS REPORT ?? ...

THIS REPORT ??
http://knkt.dephub.go.id/knkt/ntsc_aviation/baru/pre/2018/2018%20-%20035%20-%20PK-LQP%20Preliminary%20Report.pdf
PAGE 22...
Forum: Rumours & News
28th Nov 2018, 20:42
Replies: 2,099
Views: 1,471,761
Posted By CONSO

IF both crew arepulling on conrol column with...

IF both crew arepulling on conrol column with maximum force due to artifical feel increase driven by AOA, how does either one have the time or ability to rotate trim wheel 20 to 30 or more...
Forum: Rumours & News
28th Nov 2018, 04:27
Replies: 2,099
Views: 1,471,761
Posted By CONSO

But pulling back and or using electric trim did...

But pulling back and or using electric trim did APPEAR to stop runaway - for 5 to 10 seconds - thus adding to the confusion...
Forum: Rumours & News
26th Nov 2018, 22:39
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Danger AND AT 5000 FT and 300 plus mph and at least a...

AND AT 5000 FT and 300 plus mph and at least a 45 degree dive angle- they would have perhaps 20 to 30 seconds to impact. IF ( big assumed IF ) they trimmed to nose up in 10 seconds, IMO its...
Forum: Rumours & News
24th Nov 2018, 22:16
Replies: 2,099
Views: 1,471,761
Posted By CONSO

For those who missed this re stab trim and how...

For those who missed this re stab trim and how much and how long

https://theaircurrent.com/aviation-safety/what-is-the-boeing-737-max-maneuvering-characteristics-augmentation-system-mcas-jt610/
Forum: Rumours & News
24th Nov 2018, 20:48
Replies: 2,099
Views: 1,471,761
Posted By CONSO

RE GUMS # 1630 and "PULLEY . See my...

RE GUMS # 1630 and "PULLEY

.

See my post 1500 21 Nov time 18;14 for that comment plus a youtube video on actual operation o 737 NG ballscrew ( jackscrew)
Forum: Rumours & News
23rd Nov 2018, 19:35
Replies: 2,099
Views: 1,471,761
Posted By CONSO

from this SLF - Probably 1.5 re limit load. But...

from this SLF - Probably 1.5 re limit load. But there may be other factors re size ( area) of MAX stabilizer compared to NG and the effects of a longer lever arm re pitch change per degree stabilizer...
Forum: Rumours & News
23rd Nov 2018, 19:04
Replies: 2,099
Views: 1,471,761
Posted By CONSO

See my 1522 this thread !

See my 1522 this thread !
Forum: Rumours & News
23rd Nov 2018, 19:02
Replies: 2,099
Views: 1,471,761
Posted By CONSO

ballscrew-backscrew backdriven

RE JACKSCREW- EG BALLSCREW - being backdriven -- PLEASE SEE MY POST 1522 this threadQuote:Originally Posted by DaveReidUK https://www.pprune.org/images/buttons/viewpost.gif...
Forum: Rumours & News
23rd Nov 2018, 05:44
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Fit hitting shan --- WSJ ...

Fit hitting shan --- WSJ

https://www.wsj.com/articles/lion-air-seeks-more-details-on-boeing-crash-1542922735




goes on . . .
Forum: Rumours & News
22nd Nov 2018, 23:52
Replies: 2,099
Views: 1,471,761
Posted By CONSO

1) Can the motors stand a high rate multiple...

1) Can the motors stand a high rate multiple operation x minutes duty cycle without damage- lockup
2) If locked due to 1 above, can trim wheel still move stab?
3) Is there enough mechanical...
Forum: Rumours & News
22nd Nov 2018, 18:00
Replies: 2,099
Views: 1,471,761
Posted By CONSO

IF it is ONLY and completely manual. but MCAS...

IF it is ONLY and completely manual. but MCAS seems to be able to override manual based on a single sensor -
Forum: Rumours & News
22nd Nov 2018, 17:12
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Its MORE than just the pitch ( lead) please take...

Its MORE than just the pitch ( lead) please take the time to read this simplified explanation

https://www.linearmotiontips.com/how-to-determine-if-a-screw-will-back-drive/

and for an...
Forum: Rumours & News
22nd Nov 2018, 14:05
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Whether or not a 'jackscrew" can be back driven...

Whether or not a 'jackscrew" can be back driven depends on the thread pitch and friction ( braking ) factors. . For a simple example- a course ( large) pitch ( few threads per inch ) is often used...
Forum: Rumours & News
22nd Nov 2018, 03:19
Replies: 2,099
Views: 1,471,761
Posted By CONSO

WSJ on 21 NOV Goes on but NOTE NOTE...

WSJ on 21 NOV




Goes on but NOTE NOTE NOTE
Forum: Rumours & News
22nd Nov 2018, 01:14
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Take a look here for how the 737 - and virtually...

Take a look here for how the 737 - and virtually all other models of boeing and probably airbus jackscrews work to move the horizontal stabilizer . braking the turning of the jackscrew can stop...
Forum: Rumours & News
21st Nov 2018, 18:27
Replies: 2,099
Views: 1,471,761
Posted By CONSO

While there seems to be a lot of '...

While there seems to be a lot of ' he/they/pilots/ "Shoulda . .." some simple math sort of bothers this SLF. For example if one ASSUMES altitude of 5000 feet, and a Air spped of say 300 mph, AND...
Forum: Rumours & News
21st Nov 2018, 14:48
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Angry from this SLF - BINGO !!

from this SLF - BINGO !!
Forum: Rumours & News
21st Nov 2018, 03:26
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Many many posts ago in this thread- this SLF...

Many many posts ago in this thread- this SLF asked about ' wha happen to the concept for critical sensors of three-sensors- 2 votes needed to forward data .'

But everything to date ***seems** to...
Forum: Rumours & News
21st Nov 2018, 02:23
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Suggest that software types plus others...

Suggest that software types plus others caarefully read and understand I Asimov



And add a dash of Ernie Gann

RE a certain genie . . .
Forum: Rumours & News
20th Nov 2018, 20:37
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Update on conf call - FWIW ...

Update on conf call - FWIW

https://www.seattletimes.com/business/boeing-aerospace/boeing-rescheduling-737-max-conference-call-with-airlines-while-execs-try-to-reassure-employees/
Forum: Rumours & News
20th Nov 2018, 03:32
Replies: 2,099
Views: 1,471,761
Posted By CONSO

FWIW in seattle times re world wide conference...

FWIW in seattle times re world wide conference call ..Boeing to hold global conference call with airlines that fly 737 MAX model that was involved in crash
Forum: Rumours & News
18th Nov 2018, 23:29
Replies: 2,099
Views: 1,471,761
Posted By CONSO

IMO- Mullenberg and a certain union president...

IMO- Mullenberg and a certain union president should find another job or retire. Both made BS statements- which will likely be proven to be wrong wrong wrong . . .or at the best deliberately...
Forum: Rumours & News
15th Nov 2018, 18:28
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Red face Suggest you read the two reports on Challenger ...

Suggest you read the two reports on Challenger and pay attention to Dr Richard Feynman comments

https://spaceflight.nasa.gov/outreach/SignificantIncidents/assets/rogers_commission_report.pdf
...
Forum: Rumours & News
15th Nov 2018, 17:57
Replies: 2,099
Views: 1,471,761
Posted By CONSO

Challenger issue is off topic- and NOT applicable...

Challenger issue is off topic- and NOT applicable here- It was a management/PR decision which overrode the engineers concerns on challenger . .:mad:
Forum: Rumours & News
14th Nov 2018, 22:12
Replies: 2,099
Views: 1,471,761
Posted By CONSO

RE GUMS 1233 cable/mechanical connection of trim...

RE GUMS 1233 cable/mechanical connection of trim wheel with styab ..
This SLF happend via google to find this link FWIW re 737 NG

https://www.slideshare.net/theoryce/b737-ng-flight-controls...
Showing results 1 to 35 of 42
 
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