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Search: Posts Made By: billybone
Showing results 1 to 18 of 18
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Forum: Rumours & News
28th Jun 2019, 21:22
Replies: 4,656
Views: 4,786,301
Posted By billybone

Cool Given that AOA and pitch angles are slightly...

Given that AOA and pitch angles are slightly different ( within one or two degrees ? ) , and that Inertial data can output/measure pitch along with motion vectors and constantly comparing to two AOA...
Forum: Rumours & News
28th Jun 2019, 20:30
Replies: 4,656
Views: 4,786,301
Posted By billybone

Two v Three AOA or Inertial compare ?

https://www.isasi.org/Documents/library/technical-papers/2011/Introducing-787.pdf

Seems that 0n 787 and maybe 777 Boeing decided to make use of Inertial system and GPS as a non external sensor...
Forum: Rumours & News
28th Jun 2019, 19:38
Replies: 4,656
Views: 4,786,301
Posted By billybone

RE More than one AOA sensor- found and...

RE More than one AOA sensor- found and interesting comparison method as used on 787 and ? 777 by using the Inerital system ( GPS etc ) basically igt seems to provide a sensor independent check on...
Forum: Rumours & News
28th Jun 2019, 02:45
Replies: 4,656
Views: 4,786,301
Posted By billybone

From SEATTLE TIMES ...

From SEATTLE TIMES

https://www.seattletimes.com/business/airline-group-advocates-more-training-for-boeing-737-max/



IMHO - MAX not RTF until Novemeber at earliest- and maybe NG may need '...
Forum: Rumours & News
27th Jun 2019, 22:39
Replies: 4,656
Views: 4,786,301
Posted By billybone

Seems to me that the ' slow" reaction may be due ...

Seems to me that the ' slow" reaction may be due to either a G limit on rate change on the stabilizer or a speed input limiting the rate of change.
Based on the assumption thst MCAS only needed...
Forum: Tech Log
27th Jun 2019, 03:39
Replies: 12
Views: 5,340
Posted By billybone

XB-70 trivia

RE your fascination with the XB-70. As a relatively new engineer working for a possible subcontractor on the Alert Pod - I suggested a simple switching mechanism ( based on a pushbutton car radio )...
Forum: Rumours & News
27th Jun 2019, 02:11
Replies: 4,656
Views: 4,786,301
Posted By billybone

Old April AV Week re 'new' MCAS software

In view of the current ' discovery ' by FAA re microprocessor issue , this April long detailed article seems to provide some factual data. ??

Fred George Aviation Week & Space Technology Apr 11,...
Forum: Rumours & News
26th Jun 2019, 22:59
Replies: 4,656
Views: 4,786,301
Posted By billybone

Yoko 1 post 669 26th jun 05 35 said ".. ...

Yoko 1 post 669 26th jun 05 35 said "..


or 3000 feet. Normally cutting thrust will increase pitch DOWN. And MCAS apparently trimmed down much faster than yoke trim up.

Cutting...
Forum: Rumours & News
25th Jun 2019, 23:53
Replies: 4,656
Views: 4,786,301
Posted By billybone

Yikes- consider that most terrain avoidance will...

Yikes- consider that most terrain avoidance will be at less than 15,000 feet, and by definition within a few thousand feet AGL depending- (as in flying into Juneau Alaska where a steep turn and...
Forum: Rumours & News
25th Jun 2019, 22:04
Replies: 134
Views: 186,308
Posted By billybone

about launch aid

What few realize is that the decades long battle between airbus and boeing is centered aound how ' launch aid' is determined, and the financial games played.
The Cliffs notes version re Airbus is...
Forum: Rumours & News
25th Jun 2019, 21:34
Replies: 4,656
Views: 4,786,301
Posted By billybone

yoko1 said in answer to my awkward query It...

yoko1 said in answer to my awkward query

It was my understanding that the installation/addition of MCAS software AND the wiring change shown in peter lemmes blog resulted in the disconnect of...
Forum: Rumours & News
25th Jun 2019, 15:26
Replies: 4,656
Views: 4,786,301
Posted By billybone

Question Thank you ! I realize that normally TCAS only...

Thank you ! I realize that normally TCAS only provides up/down altitude change alerts supposedly at a range/time sufficient to avoid collision. As I understand it- MCAS only works/engages if/when...
Forum: Rumours & News
24th Jun 2019, 22:37
Replies: 4,656
Views: 4,786,301
Posted By billybone

In reading the many threads and posts, this SLF...

In reading the many threads and posts, this SLF (engineer type) has what may be a yet to be discussed issue . with MCAS and the following rare scenario -

Cruise at altitude on autopilot
TCAS...
Forum: Rumours & News
24th Jun 2019, 04:44
Replies: 4,656
Views: 4,786,301
Posted By billybone

In the seattle Times article The inside story...

In the seattle Times article The inside story of MCAS: How Boeing’s 737 MAX system gained power and lost safeguards --
The following quote does not seem to have raised any comments here


...
Forum: Tech Log
23rd Jun 2019, 15:30
Replies: 12
Views: 5,340
Posted By billybone

Although one can argue they dont flap- watch the...

Although one can argue they dont flap- watch the B52 wings bend upwards on takeoff. Depending on fuel load at the wingtip tanks , the wing can relatively easily be moved up and down by hand ......
Forum: Rumours & News
23rd Jun 2019, 15:20
Replies: 4,656
Views: 4,786,301
Posted By billybone

Just a guess- all those named in the Seattle...

Just a guess- all those named in the Seattle Times article have already provided testimony to the authorities or their names would not be revealed.
You can be absolutely sure that Boeing is...
Forum: Rumours & News
23rd Jun 2019, 02:00
Replies: 4,656
Views: 4,786,301
Posted By billybone

pull up tiday ( 22 June ) seattle times article...

pull up tiday ( 22 June ) seattle times article for more facts and data by those who were involved !
Forum: Rumours & News
23rd Jun 2019, 00:59
Replies: 0
Views: 409
Posted By billybone

MAX Facts

The best review and factua data to date in the Seattle Times

For sure Boeimg is in deep doo doo


seattle times today has great story and details - cannot post link

Title starts the...
Showing results 1 to 18 of 18


 
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