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Forum: Tech Log

12th Aug 2011, 17:25

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

A33Zab, #1939 Ok, i'll bite: Let's analyse...

A33Zab, #1939

Ok, i'll bite: Let's analyse what you have drawn:

Is it a loaded question ?. We have two functional units: The execution
end looks like a standalone feedback servo. Linear demand...

Forum: Tech Log

12th Aug 2011, 10:59

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

takata, #1826 I don't know where this myth...

takata, #1826

I don't know where this myth came from, but if you look at the side
stick drawing, you can see that the only feedback is from self centering
springs. There is no force feedback...

Forum: Tech Log

19th Jul 2011, 13:49

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

Chris DozyWannabe, #466 I don't quite...

Chris

DozyWannabe, #466

I don't quite see the connection there. It's almost as though you are
implying that you shouldn't fly in any new a/c until it's at least 5
years old, to get all the...

Forum: Tech Log

15th Jul 2011, 21:26

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

No, that's not what i'm asking for. Things like...

No, that's not what i'm asking for. Things like inputs required for
transition between the various laws would not be proprietary and would
be expected to be available, as some of that is already in...

Forum: Tech Log

14th Jul 2011, 22:03

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

PJ2, #281 Thanks for the reply and the...

PJ2, #281

Thanks for the reply and the reference. What was interesting was the
comment about access to tech detail information and it's scarcity. At
the risk of repetition, if I were flying...

Forum: Tech Log

14th Jul 2011, 21:39

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

A33Zab, #254 Thanks again for the...

A33Zab, #254

Thanks again for the illustration. From that, I assume from that pitch
and roll are shown yellow and blue gear train and that primary computer
pots are red, green and blue, while...

Forum: Tech Log

13th Jul 2011, 22:42

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

PJ2, #232 A lack of completeness is to be...

PJ2, #232
A lack of completeness is to be expected in training, as it can only
ever be an overview in any complex professional discipline. However, it
is also a given that further study is...

Forum: Tech Log

13th Jul 2011, 17:04

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

A33Zab, #230 Thanks for the excellent...

A33Zab, #230

Thanks for the excellent diagram. Not quite clear on the following:
So what you are saying is that:

The system has a total of (4 x 3) 12 pots per pitch and roll axis, total 24
...

Forum: Tech Log

13th Jul 2011, 12:17

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

BOAC, #222 Other than the sidestick input,...

BOAC, #222

Other than the sidestick input, yes ?.

Something that occurred to me is the fact that the sidestick transducer,
which translates physical input to electrical signal, could have...

Forum: Tech Log

13th Jul 2011, 11:50

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

Takata, #204 I'm afraid not. The voluminous...

Takata, #204

I'm afraid not. The voluminous fcom looks to me like a user guide,
rather than a serious technical manual and the logic that drives the
transitions between the various laws is not...

Forum: Tech Log

10th Jul 2011, 14:16

Replies: 1,998

AF 447 Thread No. 5

Views: 510,062

Posted By syseng68k

Greybeard, #18 Interesting point, The higher...

Greybeard, #18
Interesting point, The higher static pressure would be translated to a decrease in altitude on the display.

However, if the a/c were stalled, the alt would have been unwinding...

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