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Search: Posts Made By: Grebe
Showing results 1 to 35 of 118
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Forum: Rumours & News
19th Dec 2019, 01:26
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Translation - there are at least three members of...

Translation - there are at least three members of Trumps staff who should be fired at the minimum if not jailed.
Forum: Rumours & News
18th Dec 2019, 20:38
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Granted the following is the extreme case not...

Granted the following is the extreme case not possible in a subsonic commercial transport- but the following description- regardless of reason - might be called a stall ( airplane not flying ) :hmm:
Forum: Rumours & News
17th Dec 2019, 01:07
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Guess I'll disagree re your view of engineers....

Guess I'll disagree re your view of engineers. The original version of MCAS used mach and G limits and minimal change in horiz stab at a rare portion of envelope. granted the use of a single AOA was...
Forum: Rumours & News
16th Dec 2019, 20:46
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Exclamation Boeing to stop production of MAX in Jan

Per announcement on cable news after close today

Note they normally take a week or two off over XMAS
Forum: Rumours & News
16th Dec 2019, 13:41
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Not true- NG had as standard an AOA disagree...

Not true- NG had as standard an AOA disagree light-note-display. But due to a software screwup- the MAX did not. Boeing knew this, but decided it was not a safety item ( still arguing ) and planned...
Forum: Rumours & News
16th Dec 2019, 03:59
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Groooan- I was trying to give examples of well...

Groooan- I was trying to give examples of well proven methods of joining shafts to gears and other things, and not try to do a detailed design- redesign.
As to failure of shaft or AOA vane, normally...
Forum: Rumours & News
15th Dec 2019, 20:01
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Suggest take time to read this link - which...

Suggest take time to read this link - which includes pics and diagrams

https://www.satcom.guru/2019/03/aoa-vane-must-have-failed-boeing-fix.html#more

IMHO- the use of set screw(s) for such an...
Forum: Rumours & News
14th Dec 2019, 22:27
Replies: 4,656
Views: 4,777,623
Posted By Grebe

it would be great to get more data released...

it would be great to get more data released because it seems to me the " correct" procedure would be different at 1000 AGL on climbout and say 200 kts versus 20 to 30 K AGL at cruise. So how much...
Forum: Rumours & News
14th Dec 2019, 19:14
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Only a bit off subject RE cluster ... ...

Only a bit off subject

RE cluster ...



Seems to me testing - analysis of MCAS meets the above definition re sampling.

But implementation and description ( lack of ) meets the alternate...
Forum: Rumours & News
14th Dec 2019, 14:42
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Groooannnn- suspect some missed my sarcasm for...

Groooannnn- suspect some missed my sarcasm for starters - but perhaps a bit more explanation by this SLF as to the negative g comment- For the real pilots here - please excuse me -its just attempt to...
Forum: Rumours & News
14th Dec 2019, 03:52
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Nope -They knew exactly who they were selling to-...

Nope -They knew exactly who they were selling to- the MAX had to be' the same ' as the NG other than cheaper to fly, and a few new shiny objects. And NO extra sim time. SW who was a major customer...
Forum: Rumours & News
13th Dec 2019, 23:26
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Well- simply by pullling hard back on the yoke...

Well- simply by pullling hard back on the yoke due to muscle memory while under negative g ( with no effect ) - then all you need to do is lean forward, unlock handle, and with about 20 to 30 lbs...
Forum: Rumours & News
13th Dec 2019, 05:09
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Sorry- Boeing used to be an engineering company-...

Sorry- Boeing used to be an engineering company- that changed starting around the mid 90's when MDC bought Boeing and installed way to many Jack welch interns. With over 30 years at Boeing, I can say...
Forum: Rumours & News
12th Dec 2019, 14:29
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Hmmm- to save having to pay SW a million $$ per...

Hmmm- to save having to pay SW a million $$ per plane - Boeing now kicks in a down payment of 125 Million for the 34 planes (MAX ) it received

Thats about 4 times the initial savings by hiding...
Forum: Rumours & News
11th Dec 2019, 14:14
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Fit to hit shan on FAA view of MAX - this extract...

Fit to hit shan on FAA view of MAX - this extract from WSJ this am says it all - the article is longer

:mad:
Forum: Rumours & News
11th Dec 2019, 13:59
Replies: 4,656
Views: 4,777,623
Posted By Grebe

FAA just announced 737 Max cert NOT done until...

FAA just announced 737 Max cert NOT done until 2020...
Forum: Rumours & News
10th Dec 2019, 04:35
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Exclamation Boeing whistleblower to testify wed 11 dec

What with U.S IG hearing on FISA abuse ( FBI and DOJ screwups onTrump -Russia ) and the above hearing, likely to be buried by most of U.S news types

Will it be on CSPAN ? Dont know but worth a...
Forum: Rumours & News
10th Dec 2019, 01:02
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Interesting IF we assume no significant...

Interesting

IF we assume no significant change ( fore and aft ) of COG, then the lever arm ( distance to effective center of gravity or lift on the stabilizer becomes a bit longer. A longer lever...
Forum: Rumours & News
8th Dec 2019, 17:09
Replies: 4,656
Views: 4,777,623
Posted By Grebe

mea culpa - but for Bomb... to give that...

mea culpa - but for Bomb... to give that explanation at this late date is even worse. Virtually all the previous explanations starting in march referred to the high speed high altitude windup turn...
Forum: Rumours & News
8th Dec 2019, 13:53
Replies: 4,656
Views: 4,777,623
Posted By Grebe

This SLF will of course defer to a pilot.. But...

This SLF will of course defer to a pilot.. But from my reading and understanding, you have described how an NG works and has worked for a few decades. Suggest you take a look at...
Forum: Rumours & News
7th Dec 2019, 23:18
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Uhhh note the date of the report - July The...

Uhhh note the date of the report - July

The best description of the ' explanation ' Is " and the farmer hauled another load away .."
Forum: Rumours & News
7th Dec 2019, 19:39
Replies: 4,656
Views: 4,777,623
Posted By Grebe

From the view of this interested SLF re...

From the view of this interested SLF re yoke-column cutout switch. Believe you may be missing a point. AFIK ALL NG versions for the last several decades had operable yoke cutout swiches such that...
Forum: Rumours & News
7th Dec 2019, 13:57
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Depending on browser, one can use ( Safari for...

Depending on browser, one can use ( Safari for example )-after bringing up document, type command f ( same time ) and small search window opens and when you input a word lIke battery- a few...
Forum: Rumours & News
7th Dec 2019, 04:51
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Worth reading as to FAA and MMEL list re 737 MAX...

Worth reading as to FAA and MMEL list re 737 MAX and ??

https://leehamnews.com/2019/12/06/faa-takes-first-steps-for-re-certification-of-the-max/
Forum: Rumours & News
7th Dec 2019, 03:49
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Say what ?? Cadmium and titanium in contact is a...

Say what ?? Cadmium and titanium in contact is a major no no - As far back as mid 1960's the embrittlement of titanium parts in contact with cadmium has been well studied and known. :hmm:



A...
Forum: Rumours & News
6th Dec 2019, 01:22
Replies: 4,656
Views: 4,777,623
Posted By Grebe

A bit of history re Boeing and financial games -...

A bit of history re Boeing and financial games - not exactly clean hands . .


. . . In 2002, Boeing settled a private securities-fraud suit over the 1997 episode for $92.5 million. The company...
Forum: Rumours & News
5th Dec 2019, 04:00
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Curtain twitch said Not even close 1)...

Curtain twitch said

Not even close

1) Douglas did not know what the real cost of its DC-9 was- could not meet payroll
2) John McDonnel learned how to suck Govt tit - and bought out Douglas...
Forum: Rumours & News
5th Dec 2019, 02:13
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Yep no problem re supporting AR-DER-ODA types-...

Yep no problem re supporting AR-DER-ODA types- but management may well be different depending on just how much influence they had. IF management obviously screws up - or can be shown re fraud or...
Forum: Rumours & News
4th Dec 2019, 22:59
Replies: 4,656
Views: 4,777,623
Posted By Grebe

IMHO ;) Designated sacrifice or fallee. Avoids...

IMHO ;)
Designated sacrifice or fallee. Avoids firing and retribution claims- parachute has no tattered panels- but unclear if who will pay for any legal - criminal complaints defense.

Its the...
Forum: Rumours & News
4th Dec 2019, 21:21
Replies: 4,656
Views: 4,777,623
Posted By Grebe

Boeing chief engineer-Hamilton-Retires

Gosh oh gee - imagine that - pulled the cord on golden chute
Forum: Rumours & News
4th Dec 2019, 01:44
Replies: 4,656
Views: 4,777,623
Posted By Grebe

RE fly,,, This SLF recalls an airshow at...

RE fly,,,

This SLF recalls an airshow at Paine field in everett Wa ( 1960's) where one Bob hoover in a F-100 on takeoff - pulled up did a quick roll set down on runway for a moment and finished...
Forum: Rumours & News
22nd Nov 2019, 14:06
Replies: 4,656
Views: 4,777,623
Posted By Grebe

maybe not a spins- but a rotating dive from wiki...

maybe not a spins- but a rotating dive from wiki

February 1959: Pan Am Flight 115, a Pan American World AirwaysBoeing 707, upset and went into a high-speed dive while cruising over the Atlantic...
Forum: Rumours & News
19th Nov 2019, 14:23
Replies: 4,656
Views: 4,777,623
Posted By Grebe

from the SPEEA site www speea org today ...

from the SPEEA site www speea org today



not too sure what the split between engrs and techs really is will try to find out
Forum: Rumours & News
19th Nov 2019, 04:56
Replies: 4,656
Views: 4,777,623
Posted By Grebe

SideNote -- re the Boeing BS described as "...

SideNote -- re the Boeing BS described as " Now, according to the Boeing website, it has over 45,000 engineers spread throughout the entire company. Such a deep roster of talent, the aerospace...
Forum: Rumours & News
18th Nov 2019, 23:35
Replies: 4,656
Views: 4,777,623
Posted By Grebe

so what happens if AOA goes fubar etc and says...

so what happens if AOA goes fubar etc and says *** you are diving too steep**eg negative AOA > ?? degrees ***- does Mcas trim nose up ? how much, how long ? Phugoid ??
Showing results 1 to 35 of 118
 
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