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Search: Posts Made By: roulishollandais
Showing results 1 to 30 of 30
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Forum: Tech Log
10th Apr 2012, 16:00
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop May be they no more do. I thought in the 90's it...

May be they no more do. I thought in the 90's it was already the case., But I had to wonder one of my friend, CLAUDE JOHARY, had to test a Mark-IV (type to be confirmed) from the ground. After what I...
Forum: Tech Log
9th Apr 2012, 23:34
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Angel Homage in aerospace HMI

AT THE TOP OF THE EVEREST OF MAN-MACHINE INTERFACE :suspect:, I pay tribute to TEST-PILOTS :\, and TEST-INGINEERS :\ who offer their lifes to improve Air Safety, and I also pay homage to...
Forum: Tech Log
1st Apr 2012, 18:48
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop Origin of the 7400 FT for recover

Hi PJ2,

Warning : Machinbird called many times to high vigilance about this calculation. I agree totally to the calculation but also to the warnings, and here is copy of his last warning.

...
Forum: Tech Log
1st Apr 2012, 17:45
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop Human lifes are not screws...

Congratulations ! Never use a number without to know exactly which reality it covers. specially when it is probality or statistics.

PJ2 gave us unvolontary an opportunity to show that. When he...
Forum: Tech Log
31st Mar 2012, 22:50
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop 99.9% or 99.99% ?

Originally Posted by PJ2
In the present system, 99.9% of flights work well with SOPs, CRM, appropriate use of automation (according to enlightened airline policies which permit hand-flying), but...
Forum: Tech Log
31st Mar 2012, 20:59
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop @PJ2 This excellent 1997 book that Machinbird...

@PJ2
This excellent 1997 book that Machinbird advised me, shows 51 references of "Effective aircraft" to explicite the definition: Aviation safety and pilot control: understanding and preventing...
Forum: Tech Log
29th Mar 2012, 21:59
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop un sytème dynamique doit être observable et gouvernable

"Effective aircraft" does not mean that you have, from left to right, a box for "human", an other independant "man-machine interface" box, and a third independant box "machine/system".

The three...
Forum: Tech Log
25th Mar 2012, 19:32
Replies: 1,353
Views: 298,020
Posted By roulishollandais

OK465, I bet !! :):) dutchroll

OK465, I bet !! :):)

dutchroll
Forum: Tech Log
25th Mar 2012, 18:58
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop TEN THOUSAND FEET ...

IT IS SAID AND WRITTEN : 10 000 FT ! Thank you USN ! Thank you Maching Bird, Thank you OK456 ! Shame to european "aviation".:mad:
Forum: Tech Log
22nd Mar 2012, 23:48
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Wink "vario" / vertical speed

I can teach you nothing : I may only answer to the french half of your question :
1. For the instrument/system mesuring vertical speed, in french, we use the common acronym VSI only in airliner, to...
Forum: Tech Log
21st Mar 2012, 16:42
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop Very refreshing and sparkling post

Hi Maching Bird,

Unloading the wing :D, was one of the art of Henri Giraud, who did it once... to land in the mountain, "like a bird on the branch", on a 40% slope with fresh snow, who had two...
Forum: Tech Log
17th Mar 2012, 19:02
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Angel scans and safety

Hi Maching Bird,



Thank you for your scan instruction. What I have written in my post is the most academic manner to do which is learned for IR in France, on slower and less powered aircrafts...
Forum: Tech Log
17th Mar 2012, 14:52
Replies: 1,353
Views: 298,020
Posted By roulishollandais

(Following : I had to many smilies for only one...

(Following : I had to many smilies for only one post !)

If anything is wrong, you have to say it to the other pilot:=. The two pilots (or three in AF447) are not independant.

In AF447,...
Forum: Tech Log
17th Mar 2012, 14:50
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Scaning

Very very serious !
Normaly your eyes come to the variometer :rolleyes: (VSI) (in french variomètre) every two seconds great maximum. Not only to put your eyes on it, but to correct your...
Forum: Tech Log
16th Mar 2012, 17:44
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Scaning the vario

Scaning vario 4 times in 4 minutes : Yes it is very schocking !
Forum: Tech Log
12th Mar 2012, 18:27
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Wink EFFECTIVE AIRCRAFT

:) Hi RR_NDB,

Thank you for your reply. I know you know this great loop :ok:!
I would like that all the airline pilots learn and use that expression , and that we no more have to add "(pilot &...
Forum: Tech Log
10th Mar 2012, 13:58
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Wink vocabulary

Thank you to allow us to speek non-linear systems, transitory stages during the flight, closed-loop systems, normality of oscillations, pluridisciplinarity knowledge, etc.

Could we generalize the...
Forum: Tech Log
10th Mar 2012, 13:36
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Devil Artificial Intelligence is not KISS

oh I have severe turbulence... :uhoh:



Oups ! I was just turning to avoid the mountains in the clouds...:{
Forum: Tech Log
3rd Mar 2012, 18:25
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop System, PIO, Transient

Hi to all the pilots and engineers,

I feel a great progress has been made with the help of these forums.

Despite existence of FBW, automation was still missing in the closed loop system...
Forum: Tech Log
28th Feb 2012, 15:01
Replies: 1,353
Views: 298,020
Posted By roulishollandais

BEA testing software

@ChristiaanJ
I understand your argumentation, and I don't want to worry anybody.:hmm: But today our forum wants to understand what was wrong in the AF447, and the Crew actions seem so crazy, that we...
Forum: Tech Log
25th Feb 2012, 18:36
Replies: 1,353
Views: 298,020
Posted By roulishollandais

fish Hi ChristiaanJ, Testing software or...

Hi ChristiaanJ,



Testing software or equipment is a very strategic action. ATEC is a good choice for EADS... If something is wrong or missing in ATEC it is the whole responsability if...
Forum: Tech Log
23rd Feb 2012, 15:22
Replies: 1,353
Views: 298,020
Posted By roulishollandais

testing the flying software and automation

@ChristiaanJ
#750
I totally agree with you.
The ATEC Series 6 testbench is a very bad choice who does the pilots blind.
The pilot must be able to understand very quickly what goes wrong in the...
Forum: Tech Log
7th Feb 2012, 21:05
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop analog and digital

Thank you very much ChristiaanJ ; this Concorde AFCS circuit board (analog control law computing board) is very beautiful; like the Concorde is ! How beautiful it was in the sky ! :D

effectively...
Forum: Tech Log
4th Feb 2012, 16:41
Replies: 1,353
Views: 298,020
Posted By roulishollandais

roulishollandais: Quote: inside S1, S2, P1,...

roulishollandais:
Quote:
inside S1, S2, P1, P3
A33Zab :
Quote:

We know what is going in and what is coming out.

Sure :ugh: but I want to know the algorithms :suspect: and logic circuits...
Forum: Tech Log
16th Jan 2012, 21:31
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop Is still anybody here ??? @A33Zab ...

Is still anybody here ???

@A33Zab
Please, Do You have the answer to Grity's question (AF447 THREAD 7 post #730)

"what did you think is the frequency for the natural roll stability for a330...
Forum: Tech Log
16th Jan 2012, 20:55
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop Happy new Year to Everybody ! Thank You...

Happy new Year to Everybody !

Thank You A33Zab !
Could we have a look inside S1, S2, P1, P3 ? :mad: ?
Forum: Tech Log
28th Dec 2011, 16:29
Replies: 1,353
Views: 298,020
Posted By roulishollandais

fq dutch roll

I don't forget you. ... Christmas !!
Forum: Tech Log
23rd Dec 2011, 17:21
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Snoop PIO/APC

:rolleyes: Thank You MachinBird to come on the PIO .

I elaborated in 1992 a method to get out from a DUTCH ROLL, and demonstrated it five times ago, on a MD83 simulator (Finnair, Helsinki, dec...
Forum: Tech Log
17th Dec 2011, 18:15
Replies: 1,353
Views: 298,020
Posted By roulishollandais

Danger "Les cow-boy d'Airbus" is the title of Bernard...

"Les cow-boy d'Airbus" is the title of Bernard Ziegler's book... HIMSELF ! :\
preface from Jean Pierson, Edition : Privat (TOULOUSE-France).

This book has been written before the RIO-PAR...
Forum: Tech Log
3rd Dec 2011, 16:50
Replies: 1,353
Views: 298,020
Posted By roulishollandais

@Lyman "His Pull was additive to an input made...

@Lyman
"His Pull was additive to an input made by AutoPilot"

Forget !
Impossible . :ok: You know : BZ said : pilots are only housekeepers, cow-boys or fools ! It would be a real algorithm bug...
Showing results 1 to 30 of 30


 
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