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Search: Posts Made By: DozyWannabe
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Forum: Tech Log
25th Apr 2014, 13:54
Replies: 813
Views: 153,889
Posted By DozyWannabe

Hi CONF, Look - all I am saying is that in...

Hi CONF,

Look - all I am saying is that in the video, the configuration is not explicitly specified. Nothing more, nothing less.
Forum: Tech Log
23rd Apr 2014, 16:57
Replies: 813
Views: 153,889
Posted By DozyWannabe

Er, no it doesn't. It just means that I don't...

Er, no it doesn't. It just means that I don't have any way to confirm whether your supposition is in fact correct, and frankly, neither do you.

Given that this thread started largely as a result...
Forum: Tech Log
23rd Apr 2014, 02:06
Replies: 813
Views: 153,889
Posted By DozyWannabe

Yes - your inference and assumption that because...

Yes - your inference and assumption that because he specifies 15 degrees, therefore it must be CONF FULL. What I said was that the actual config is not explicitly confirmed in the video or elsewhere...
Forum: Tech Log
22nd Apr 2014, 17:15
Replies: 813
Views: 153,889
Posted By DozyWannabe

That's based on your assumption that he was in...

That's based on your assumption that he was in CONF FULL, which is not explicitly confirmed in the video or elsewhere.



But it makes no promises about the rate at which it is achieved.
...
Forum: Tech Log
20th Apr 2014, 00:21
Replies: 813
Views: 153,889
Posted By DozyWannabe

99.9(rec)% of the time in practice, yes. In...

99.9(rec)% of the time in practice, yes. In pitch command mode it commands pitch angle directly, and in HAP mode it commands AoA.

As far as the human pilot is concerned, in almost every scenario...
Forum: Tech Log
16th Apr 2014, 12:37
Replies: 813
Views: 153,889
Posted By DozyWannabe

Why would you want to "reach" Valphamax? The...

Why would you want to "reach" Valphamax? The intent was to perform a high pitch flypast at relatively low speed, not take it to the absolute limit as far as I was aware.
Forum: Tech Log
16th Apr 2014, 00:16
Replies: 813
Views: 153,889
Posted By DozyWannabe

But the aircraft was flying *faster* than...

But the aircraft was flying *faster* than Valphamax throughout - the EFCS didn't have to "reach" anything, and there was no impediment to the aircraft reaching Alpha Max other than time.

What...
Forum: Tech Log
15th Apr 2014, 22:00
Replies: 813
Views: 153,889
Posted By DozyWannabe

Valphamax is a minimum airspeed requirement, and...

Valphamax is a minimum airspeed requirement, and the aircraft never dipped below it prior to impact according to HN39's analysis.



Lawyers don't write manuals.

I love how there's always this...
Forum: Tech Log
14th Apr 2014, 21:15
Replies: 813
Views: 153,889
Posted By DozyWannabe

@Agnostique75: That's kind of you to provide...

@Agnostique75:

That's kind of you to provide that link, but that's the same one we've been using since the start of the thread.

CONF iture is referring to a different Annexe - number 7 (VII),...
Forum: Tech Log
14th Apr 2014, 16:29
Replies: 813
Views: 153,889
Posted By DozyWannabe

Given that we've established that the tools to...

Given that we've established that the tools to generate and annotate the material digitally were not readily available in 1990, how would you propose they do it differently?



Annexe VII is...
Forum: Tech Log
11th Apr 2014, 15:34
Replies: 813
Views: 153,889
Posted By DozyWannabe

I think it's fair to state that the protections...

I think it's fair to state that the protections didn't "cause the accident" - as there were massive "holes in the cheese" present before the aircraft ever left the ground. Ultimately, I think even...
Forum: Tech Log
10th Apr 2014, 22:55
Replies: 813
Views: 153,889
Posted By DozyWannabe

To be fair, that particular scenario (i.e. hard...

To be fair, that particular scenario (i.e. hard protections are void outside of Normal Law) was explicitly highlighted in the manuals from the beginning. Even the most strident Airbus evangelist...
Forum: Tech Log
10th Apr 2014, 19:23
Replies: 813
Views: 153,889
Posted By DozyWannabe

Quite. I've been saying this for a while, but...

Quite. I've been saying this for a while, but it's easy to take for granted the relative simplicity in transferring this kind of data and rendering it in different ways today compared to the hassle...
Forum: Tech Log
9th Apr 2014, 21:53
Replies: 813
Views: 153,889
Posted By DozyWannabe

Actually, I think you'll find a lot of both those...

Actually, I think you'll find a lot of both those threads were invariably the same bunch of people trying to insinuate nefariousness on the part of Airbus, and useful idiots like myself trying to...
Forum: Tech Log
9th Apr 2014, 20:38
Replies: 813
Views: 153,889
Posted By DozyWannabe

It's not really that complicated to be honest. ...

It's not really that complicated to be honest. Ultimately we're talking about differences in mode that didn't really have a great deal of effect in the grand scheme of things.

I think one thing...
Forum: Tech Log
8th Apr 2014, 23:04
Replies: 813
Views: 153,889
Posted By DozyWannabe

In addition to HN39's remarks, I should add that...

In addition to HN39's remarks, I should add that "operating perfectly" in this context seems to refer to the fact that it operated as designed - and based on the analysis both of the report and the...
Forum: Tech Log
7th Apr 2014, 13:40
Replies: 813
Views: 153,889
Posted By DozyWannabe

@roulis - I've explained at least half a dozen...

@roulis - I've explained at least half a dozen times how the software development work was done, most recently in post #740.

The chances of there being a logical error due to a mis-key - as you...
Forum: Tech Log
6th Apr 2014, 17:12
Replies: 813
Views: 153,889
Posted By DozyWannabe

@CONF - I notice you're avoiding the question...

@CONF - I notice you're avoiding the question over whether the slight increase in pitch would account for the marginally lower RA value given that the increase in pitch angle would cause the...
Forum: Tech Log
3rd Apr 2014, 23:11
Replies: 813
Views: 153,889
Posted By DozyWannabe

Are you sure? Annexe X - page 9, right? If...

Are you sure? Annexe X - page 9, right?

If so, then I'm seeing from "Remise des gaz"/full back-stick:

An immediate increase in pitch for approximately 1 second (about the time it takes to...
Forum: Tech Log
2nd Apr 2014, 15:02
Replies: 813
Views: 153,889
Posted By DozyWannabe

Not quite - as OG says: This is because...

Not quite - as OG says:


This is because it's an airliner, not a fighter - HAP mode is designed to maintain stability and trajectory, and Alpha Max is the upper AoA limit of that mode - it is...
Forum: Tech Log
31st Mar 2014, 17:20
Replies: 813
Views: 153,889
Posted By DozyWannabe

Why do you keep calling it a "restriction"? It...

Why do you keep calling it a "restriction"? It isn't - it's a deliberately engineered damping feature to ensure stability when in HAP mode which is, after all, concerned with protection from stall...
Forum: Tech Log
31st Mar 2014, 01:09
Replies: 813
Views: 153,889
Posted By DozyWannabe

Not quite 10ft, and Bechet pulls back roughly at...

Not quite 10ft, and Bechet pulls back roughly at the same point as "remise des gaz", whereas Asseline waits for around 3s before doing the same.



How? Asseline was in HAP mode when he pulled...
Forum: Tech Log
31st Mar 2014, 00:02
Replies: 813
Views: 153,889
Posted By DozyWannabe

Why? (Or more to the point, how is it fair...

Why?

(Or more to the point, how is it fair that you get to make unsubstantiated claims of a "restriction" in the EFCS (and insinuate that it may have been surreptitiously removed) unchallenged,...
Forum: Tech Log
30th Mar 2014, 22:52
Replies: 813
Views: 153,889
Posted By DozyWannabe

Here's a novel idea, why don't you find it and...

Here's a novel idea, why don't you find it and prove me wrong?

EDIT : Certainly whenever I've heard that factoid referred to in the past, I got the impression that they were talking about an...
Forum: Tech Log
30th Mar 2014, 22:05
Replies: 813
Views: 153,889
Posted By DozyWannabe

@roulis - I've said before, the computer code is...

@roulis - I've said before, the computer code is not manually keyed in in that manner. Code blocks are tested in situ against the formalised function, then assigned to an element in a graphical...
Forum: Tech Log
30th Mar 2014, 20:27
Replies: 813
Views: 153,889
Posted By DozyWannabe

Now look at the thrust and IAS, and what the...

Now look at the thrust and IAS, and what the pitch is actually doing. :)
Forum: Tech Log
30th Mar 2014, 19:28
Replies: 813
Views: 153,889
Posted By DozyWannabe

You clearly didn't read what I wrote, because I...

You clearly didn't read what I wrote, because I said they were comparing it to a *conventionally-controlled* aircraft. Alpha Max is irrelevant in that situation because full back-stick/yoke does not...
Forum: Tech Log
28th Mar 2014, 22:08
Replies: 813
Views: 153,889
Posted By DozyWannabe

At a guess, I'd say the sim run that generated...

At a guess, I'd say the sim run that generated that particular data was not an attempt to duplicate the accident sequence, but to determine the limits of system behaviour. In this case they were...
Forum: Tech Log
28th Mar 2014, 20:47
Replies: 813
Views: 153,889
Posted By DozyWannabe

CONF, with all due respect - if you could just...

CONF, with all due respect - if you could just ease off on the insults and listen to what I'm saying, it might help us get somewhere.

I know what Alpha Max is, I know it wasn't reached and I...
Forum: Tech Log
28th Mar 2014, 18:59
Replies: 813
Views: 153,889
Posted By DozyWannabe

Nope, just a reasonable point as to why keeping...

Nope, just a reasonable point as to why keeping things schtum is more likely to cause further problems down the line.



Sorry, I don't see what that has to do with "sweeping... under the...
Forum: Tech Log
27th Mar 2014, 18:02
Replies: 813
Views: 153,889
Posted By DozyWannabe

Not at all, but based on the complete lack of any...

Not at all, but based on the complete lack of any evidence that there was anything untoward going on, no whistle blown at 25 years and counting, Dozy thinks it's a fairly unlikely possibility.
...
Forum: Tech Log
26th Mar 2014, 12:59
Replies: 813
Views: 153,889
Posted By DozyWannabe

No, something was different, we don't know what. ...

No, something was different, we don't know what. We do know that Bechet's handling of the SS (emphatic and direct) was different to Asseline's (hesitant). I still think that's a better place to...
Forum: Tech Log
25th Mar 2014, 22:31
Replies: 813
Views: 153,889
Posted By DozyWannabe

From a software engineers' perspective I don't...

From a software engineers' perspective I don't think that's anything out of the ordinary. Modular software design tends to inherently create "dependencies" between modules, so if a change is made in...
Forum: Tech Log
25th Mar 2014, 19:46
Replies: 813
Views: 153,889
Posted By DozyWannabe

So are you then suggesting that a fix was devised...

So are you then suggesting that a fix was devised in secret and subsequently applied to the simulator and aircraft Bechet used for his own testing?

If so, given the timeframe, I don't think that's...
Forum: Tech Log
25th Mar 2014, 18:38
Replies: 813
Views: 153,889
Posted By DozyWannabe

So what do you think happened, and what is it you...

So what do you think happened, and what is it you think "they" didn't want to say?
Showing results 1 to 35 of 160
 


 
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