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Search: Posts Made By: A33Zab
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Forum: Tech Log
14th Jun 2011, 09:55
Replies: 2,070
Views: 615,623
Posted By A33Zab

WRG

JD-EE:



Don't get me wrong, I didn't assured this is THE problem! On the contrary it's NOT.
I'm sure the abbr. 'WRG' statement is for WIRING. (NOT WARNING).
As I also said it's a...
Forum: Tech Log
13th Jun 2011, 20:21
Replies: 2,070
Views: 615,623
Posted By A33Zab

WRG

Don't forget to mention connector, pins & s'u'ckets!



Flight Computer Data Concentrator 2 (FCDC2) aka EFCS2 is the detector for NAV ADR DISAGREE and declares ALT 2 LAW.
A F/CTL ADR DISAGREE...
Forum: Tech Log
13th Jun 2011, 19:35
Replies: 2,070
Views: 615,623
Posted By A33Zab

Ecam view

In image below I tried to show you ECAM WARNING AREA as it would looked like.
(As far as warnings are known to the public!)
I did priortized them as if they occured at the same time.
Only 7 lines...
Forum: Tech Log
13th Jun 2011, 15:04
Replies: 2,070
Views: 615,623
Posted By A33Zab

Wrg:adiru1 bus adr1-2 to fcpc2

No doubt this is a wiring (WRG) problem, either internal in the PRIM2 or in the wiring from ADR1 ARINC BUS 1-2 from terminal to PRIM2 (includes, as JD-EE is correctly stated: the multi-connector)....
Forum: Tech Log
12th Jun 2011, 17:44
Replies: 2,070
Views: 615,623
Posted By A33Zab

Why AOA is disabled <60 kts?

@MB.



Valid and logic too.

MCDU System Tests mode option is disabled after you entered your flightnumber. But hey.....because its a computerized aircraft it can be fooled even in flight!...
Forum: Tech Log
12th Jun 2011, 15:42
Replies: 2,070
Views: 615,623
Posted By A33Zab

Stallstall

@Mb:



Maybe, not sure! this lower CAS speed limit is introduced for maintenance. Sometimes we need to jack (WoW) the A/C for a longer period of time and don't like to introduce spurious Stall...
Forum: Tech Log
11th Jun 2011, 22:03
Replies: 2,070
Views: 615,623
Posted By A33Zab

Stallstall

The complete STALL WARNING Tables:
Typed it over and copied as image, so no warranty on typo errors!!

http://i474.photobucket.com/albums/rr101/Zab999/A330STALLSTALL.jpg
Forum: Tech Log
10th Jun 2011, 23:18
Replies: 2,070
Views: 615,623
Posted By A33Zab

TAT Calculation

ADR internal calculations:

Just as I mentioned before:

http://upload.wikimedia.org/math/c/e/1/ce1b168c467237ad454a94d03e6ee91f.png

TAT calculation is back to Elementary School: :O
Forum: Tech Log
10th Jun 2011, 22:16
Replies: 2,070
Views: 615,623
Posted By A33Zab

Stallstall

@ Bear



I see, was focused on Qc, if M = 0 = no correction = STALLSTALL trigger @ 10.8 AOA.
But if probes open up again AOA STALLSTALL could be @ 3.8 AOA to trigger = intermittent STALLSTALL...
Forum: Tech Log
10th Jun 2011, 21:55
Replies: 2,070
Views: 615,623
Posted By A33Zab

MACH

@ GY:


Not sure if I build the formula correct, but something like this is mentioned. Couldn't find the Root sign:8

MACH = ROOT(5 * ((Qc/Po+1)^(2/7)-1))
...
Forum: Tech Log
10th Jun 2011, 20:41
Replies: 2,070
Views: 615,623
Posted By A33Zab

Post Curious!

After I did post the ‘BUSS’ article last week, I realized that when you’ve lost all the speed signals this Back-Up Speed Scale wouldn’t work either.
So went into the books again and found out that...
Forum: Tech Log
9th Jun 2011, 15:44
Replies: 2,070
Views: 615,623
Posted By A33Zab

More AOA sensor info!

- Operating Range 120º, limited by fixed stops.
- Balanced (= static it could take any position).
- Contains a dual purpose damping motor, damping the rotor in opposite direction of movement...
Forum: Tech Log
8th Jun 2011, 20:32
Replies: 2,070
Views: 615,623
Posted By A33Zab

AOA

R1:



That's not mentioned in the books !!!

Vane resolver sin and cos is input for ADR, ADR generates AOA from this input if CAS =>60 Kts if not AOA=0 and NCD. This is ADR output fed into...
Forum: Tech Log
8th Jun 2011, 12:43
Replies: 2,070
Views: 615,623
Posted By A33Zab

Can't be ruled out, just like SS armrest failure....

Can't be ruled out, just like SS armrest failure.
You need a proper adjusted and fixed base to perform coordinated SS inputs.

In such case PNF could take control but what if you are dealing with...
Forum: Tech Log
8th Jun 2011, 09:35
Replies: 2,070
Views: 615,623
Posted By A33Zab

Speed indication lower limit.

AOA / Speed lwr limits.

In the digital world they need to set a upper and lower limit.
You have only limited bits in a binary word and have to deal with accuracy, resolution, standarisation...
Forum: Tech Log
7th Jun 2011, 21:31
Replies: 2,070
Views: 615,623
Posted By A33Zab

ADR

@ ChristiaanJ:

AMM - ADIRS 34-12-00 & ADR Operation 34-13-00.
Forum: Tech Log
7th Jun 2011, 21:11
Replies: 2,070
Views: 615,623
Posted By A33Zab

Engine sensors.

@ engine-eer.

Wouldn't do it for GE.

P0 is static port on ECU.
Sensor in inlet is Temp sensor T12
PS1.2 is static pressure ports just IFO fan.
The only probe measuring dynamic pressure is...
Forum: Tech Log
7th Jun 2011, 20:40
Replies: 2,070
Views: 615,623
Posted By A33Zab

ADIRU

Went into the ADIRU today:

ADIRU computes AOAi from sensor resolver cos. and sin. and calculates
AOAc as function of AOAi, FLAPSLAT CONFIG and Sensor position(LH/RH)

If CAS < 60 Kts AOAi &...
Forum: Tech Log
7th Jun 2011, 06:13
Replies: 2,070
Views: 615,623
Posted By A33Zab

Normal airliner?

GB:






Normal airliner?

-Visuals make no sense on FL350 but does when - normally - needed the most.
Forum: Tech Log
7th Jun 2011, 03:02
Replies: 2,070
Views: 615,623
Posted By A33Zab

Tactile feedback

JD-EE:

In normal situations the 'feedback' will be noticed by PNF.
If PF SS input is 1G climb (ANU), PNF will experience a 1G climb and knows PF pulled the stick (not to the max).

What you...
Forum: Tech Log
6th Jun 2011, 20:26
Replies: 2,070
Views: 615,623
Posted By A33Zab

THS trim law

@ Gums:

There isn't a separate THS law.......there are pitch laws!

In manual mode (Side stick control) short orders are handeld by elevator deflection.
Long term orders by THS. (autotrim)
...
Forum: Tech Log
5th Jun 2011, 17:21
Replies: 2,070
Views: 615,623
Posted By A33Zab

Law reconfiguration.

@Chris:

Think if one will try to flowchart all possible reconfiguration you will end up in spaghetti,
but let’s give it a try and a start, if you need some specific data (sure not knowing them...
Forum: Tech Log
3rd Jun 2011, 00:01
Replies: 2,070
Views: 615,623
Posted By A33Zab

Abnormal Attitude Law

PVT


If AOA is available for FDR it should be available for other systems too (benefits of ARINC429),
I've read in system schematics that there is a separate AOA backup signal bus to FCPC's. ...
Forum: Tech Log
2nd Jun 2011, 17:01
Replies: 2,070
Views: 615,623
Posted By A33Zab

Abnormal Law.

Bearfoil:



Abnormal law is a sub-law available in alternate 1 or 2 when e.g. alpha exceeds +30 or -10 or any other predetermined limitation exceedance.

Abnormal law:
- in roll: the yaw...
Forum: Tech Log
1st Jun 2011, 11:53
Replies: 2,070
Views: 615,623
Posted By A33Zab

Stalled AF447 did not switch to abnormal attitude law

Tubby:



From the BEA report:



More questions to answered by BEA!!!
Forum: Tech Log
31st May 2011, 23:55
Replies: 2,070
Views: 615,623
Posted By A33Zab

Absence of "ICE DETECTED MESSAGE"

As in the BEA report is stated 'uneventfull' before 0210:05'
and then suddenly Pitot Probes clogged due to ice.

I'm wondering why the ice detection system didn't trigger an ICE DETECTED (0,5 mm...
Forum: Tech Log
28th May 2011, 22:32
Replies: 2,070
Views: 615,623
Posted By A33Zab

Elevator control.

Svarin post #237 http://www.pprune.org/tech-log/452836-af447-thread-no-3-a-12.html#post6477847



In the bold is exactly what in a normal situation PRIM 1 is capable to perform, so shouldn't be...
Forum: Tech Log
28th May 2011, 02:38
Replies: 2,070
Views: 615,623
Posted By A33Zab

THS position Indications.

This post by PJ2 gives you the indications of THS position.

http://www.pprune.org/tech-log/395105-af-447-search-resume-26.html#post5571587


The F/CTL System Display is normally called and...
Showing results 1 to 28 of 28


 
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