Author Topic: pics of dhl jet  (Read 1465 times)

Offline mora

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« Reply #45 on: December 11, 2003, 07:11:57 PM »
That's right. I was referring to the  MD-11 design, where horizontal control is also available.

G'night, enough tech talk for tonight. 3am here and I have a "little christmas" tomorrow with some standard sauna&nudity&booze.:D

Offline FUNKED1

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« Reply #46 on: December 11, 2003, 07:13:30 PM »
Actually MD-11 and DC-10 are basically the same airplane.  Maybe I am misunderstanding you?
Anyways, have fun and drink a lot.  :)

Offline straffo

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« Reply #47 on: December 12, 2003, 02:35:59 AM »
Quote
Originally posted by FUNKED1
See if you can find a manual for an A300 (the type involved in Bagdhad).  Between Creamo and Toad and I we can figure out what the deal is.
Full designation:  A300B4-203F


I'm trying to get one from a friend (but that dweeb keep flying all around this planet so I don't expect the document soon :)).
As soon as I get it I'll send it to you.


I've found some information about the A320 (if you want I can try to get the manual of the 320 too)
Unfortunatly it's in french ...

http://faq.bigip.mine.nu:8008/dom/dominique17.php
http://faq.bigip.mine.nu:8008/dom/dominique27.php
http://faq.bigip.mine.nu:8008/dom/dominique7.php
« Last Edit: December 12, 2003, 02:49:14 AM by straffo »

Offline mora

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« Reply #48 on: December 12, 2003, 05:33:07 AM »
Quote
Originally posted by FUNKED1
Actually MD-11 and DC-10 are basically the same airplane.  Maybe I am misunderstanding you?
Anyways, have fun and drink a lot.  :)


Well there's quite a lot differencies really. The info I have is from a documentary I saw years ago, but basically MD-11 has a backup system like you described, and propably new Airbusses have one as well then, would make sense. Do you know about this Straffo?

Offline straffo

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« Reply #49 on: December 12, 2003, 06:33:49 AM »
From other sources I can't reveal there was a lost of 2 circuit 1st followed by the 3rd.

I don't understand your question Mora ?

Offline mora

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« Reply #50 on: December 12, 2003, 06:49:38 AM »
Quote
Originally posted by FUNKED1
Yes

Also, the flight control system may be able to handle failure modes where only engine thrust is available.  I'm not sure how it works on each Airbus model but I know that the newest ones have control algorithms which adapt to different failure modes and use all available means to carry out the pilot's flight control inputs via yoke and rudder.  If that is how this plane landed then it would be an unprecedented triumph for Airbus engineers and would be a vindication of their oft-maligned reliance on automation.


Straffo, I was referring to this system that Funked decribed, where the aircraft could be controlled by differential thrust from pilots stick inputs. I've never heard of Airbus having this system, can you confirm this?

Offline straffo

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« Reply #51 on: December 12, 2003, 06:52:36 AM »
Dunno but I'll ask my favorite A320 monkey  errr pilot ;)

I just figured that Funked was speaking of the A300 I guess the answer is no as the 300 got traditional control and no electrical/software controled one .

Except if it was changed for this particuliar version,but I doubt as the cost of this kind of retrofit would be extremly huge.
« Last Edit: December 12, 2003, 07:08:53 AM by straffo »

Offline mora

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« Reply #52 on: December 12, 2003, 07:18:04 AM »
I forgot to mention that I mean the never models, so please go ahead and ask.

Offline straffo

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« Reply #53 on: December 12, 2003, 07:36:11 AM »
The answer I got is :

Negative for the A300 and A320 ,it's not possible (unknown for the 380)

Offline mora

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« Reply #54 on: December 12, 2003, 07:44:37 AM »
Thanks Straffo.

Here's some info about the differential thrust studies conducted by NASA: http://www.dfrc.nasa.gov/DTRS/1998/PDF/H-2232.pdf

Offline _Schadenfreude_

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« Reply #55 on: December 12, 2003, 08:39:56 AM »
Quote
Originally posted by straffo
hehe :)

Warning when writing that "French" word you'll have to use the lowest font size otherwise you take the risk of waking-up some  "Deep Ones" or "Cthulhu" himself :)


Just set a poodle on them.....

Offline FUNKED1

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« Reply #56 on: December 12, 2003, 12:21:15 PM »
Thx Straffo.  It makes sense that A300 (older model) wouldn't have anything like that.  I know the newer ones have control systems that adapt to failures of actuation systems.  It would be interesting to know if it goes as far as using engine thrust.
« Last Edit: December 12, 2003, 12:25:08 PM by FUNKED1 »

Offline straffo

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« Reply #57 on: December 15, 2003, 01:41:18 AM »
Actually ,I reread your post and asked my favorites monkeys :)
They said that according to their knowledge the software doesn't use differential thrust even in case of failure.

Afterall they are supposed to be intelligent monkey (at least they pretend to be but I've some proof that with a slow amount of alcohol they can fail any basic test :D)

Offline Scootter

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« Reply #58 on: December 15, 2003, 08:39:32 AM »
Help me understand two things please,

1. I was to understand that the primary flight controls were elect. on an Airbus not hydraulic.

2. How do you control and twin engine aircraft with differential power with only one engine making power?


Thanks,

Offline straffo

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« Reply #59 on: December 15, 2003, 08:52:21 AM »
[list=1]
  • The command are Electric on A320 (*) but not for a A300 like in this case
  • I don't know if the left engine was down (I don't think so)
  • [/list=1]
    The engine are (IMO) not controled by hydraulic even in a old A300.
    The usage of electric command for the engine control started with Concorde years before the creation of the A300 ... but I can be wrong.



    (*) some are still mecanical like rudder if I'm not mistaken.