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Search: Posts Made By: Mr Optimistic
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Forum: Tech Log
23rd Apr 2011, 18:56
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Sorry. It was Svarin's post. He makes the point...

Sorry. It was Svarin's post. He makes the point that you couldn't engage a/p in an upset. It had been lost (Part 1 of episode), then some sort of apparent recovery (necessary to allow the a/p to be...
Forum: Tech Log
23rd Apr 2011, 18:49
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Its how the dsylexic spell America. PTF, oh silly...

Its how the dsylexic spell America. PTF, oh silly me. If Pt1 didn't lose the height, Pt 2 lost the height in less time. Yes I know its an assumption re Pt1 ! My assumption is Unreliable Air Speed.
Forum: Tech Log
23rd Apr 2011, 18:41
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Ok, we'll see. Of course it would also shrink...

Ok, we'll see. Of course it would also shrink the timeline re height loss.
Forum: Tech Log
23rd Apr 2011, 18:30
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Yes that is what I thought was meant. But in...

Yes that is what I thought was meant. But in this theory isn't there a Phase 1 which did something similar, so now you give the system a second chance to beat you ? Wouldn't you be some what...
Forum: Tech Log
23rd Apr 2011, 18:21
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Thanks Svarin: at least I read all the text:) ...

Thanks Svarin: at least I read all the text:)

So let me get this straight: the pilots are awake and paying attention in the period 2:01 to 2:10. The air speed data becomes unreliable, the a/p...
Forum: Tech Log
23rd Apr 2011, 17:21
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

I was confused before but now............A few...

I was confused before but now............A few pages back there was lots of discussion about whether the pilots were awake at 2:00, now they have dealt with some sort of upset pt1 by 2:13. How is it...
Forum: Tech Log
23rd Apr 2011, 14:00
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Are you sure about CC not being in their seats ? ...

Are you sure about CC not being in their seats ? Of the 9(?) CC, how many have been recovered ? You would think that the flight experienced some progressive roughness before 'whatever happened' so...
Forum: Tech Log
23rd Apr 2011, 12:54
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Could the Captain have left the flight deck to...

Could the Captain have left the flight deck to investigate an issue ? What would be normal practice ?
Forum: Tech Log
22nd Apr 2011, 14:26
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

On sea state etc I was recalling press releases...

On sea state etc I was recalling press releases from the very early days: given the storms it still makes sense.

Bad weather is hampering the search for bodies and debris from an Air France jet...
Forum: Tech Log
22nd Apr 2011, 11:27
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

As I recall, didn't bad weather hamper the search...

As I recall, didn't bad weather hamper the search in the early days: poor visibility and a high sea state may explain missed sightings.
Forum: Tech Log
17th Apr 2011, 21:04
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Machinbird, thanks once again. My experience in...

Machinbird, thanks once again. My experience in this subject is limited and I hope I don't sound presumptious.
Forum: Tech Log
17th Apr 2011, 19:13
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

The Bea slide had the scales. The 'why bother'...

The Bea slide had the scales. The 'why bother' observation could be applied across the piece. Perhaps it's just in the nature of people to want to know. Is there any harm in it ? It could be a...
Forum: Tech Log
17th Apr 2011, 18:03
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Machinbird, thank you for the considered answer....

Machinbird, thank you for the considered answer. One point though, the bell curve (by which I guess you mean 2-D gaussian distribution) clearly had very different dispersions in x and y to give the...
Forum: Tech Log
17th Apr 2011, 12:43
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Well, no expert but... If the separation...

Well, no expert but...

If the separation into parts occured at impact with the sea the dispersion during the fall to the sea bed was relatively limited (what is the main debris field 400m by 50m...
Forum: Tech Log
16th Apr 2011, 20:38
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

There are a number of 'objects' which are doubled...

There are a number of 'objects' which are doubled up, ie have a parallel twin just to one side (including the northern most outlier). Presume these are in fact images one of another where the two...
Forum: Tech Log
15th Apr 2011, 17:52
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

For the Titanic, estimates of terminal speeds...

For the Titanic, estimates of terminal speeds between 20 and 60 mph are talked about. Judging by the photo's of the engines which look chewed up but are not buried in the sediment wasn't too high a...
Forum: Tech Log
15th Apr 2011, 12:44
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Given the rough ride surely the signs were on and...

Given the rough ride surely the signs were on and every one seated ? Don't know what proportion of CC identified but can't trust the 'it all happened so fast theory'. Some pretty big stuff escaped...
Forum: Tech Log
15th Apr 2011, 12:33
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

auv-ee

Autonomous Undewater Vehicle-Electronics Engineer ? Thanks. Wondered how it was done. Apologies for not having read your posting first time around. Any chance of a deconvolution algorithm ?
Forum: Tech Log
15th Apr 2011, 09:45
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

With respect to orientation, on reflection agree...

With respect to orientation, on reflection agree with BOAC's chastisement. However, the assymetry N/S, with apparent distribution linearly to the north not reflected to the south may reflect...
Forum: Tech Log
15th Apr 2011, 08:34
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Fair comment, stb was perhaps pushing it. First...

Fair comment, stb was perhaps pushing it. First thought was it was a debris trail as if both engines have been pictured, where is the other wing.

With respect to other recent musings, re-reading...
Forum: Tech Log
15th Apr 2011, 06:35
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Forgive the noob question on sonar, but is the...

Forgive the noob question on sonar, but is the image produced on a single pass, eg from the rov above the eastern edge of the lane, or is it the addition of two half pictures, one from the east and...
Forum: Tech Log
13th Apr 2011, 22:22
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

With all protections off could you fly it ?

A question from a non-pilot. Given that at some time near 2:10 the aircraft was trimmed and at an appropriate speed and altitude, and that at some time around about 2:15 the a/c was in 'line of...
Forum: Tech Log
13th Apr 2011, 16:35
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

The point I was trying to make (or be corrected...

The point I was trying to make (or be corrected on) is does it seem plausible that the a/c went from A to B without the need to deviate off course to make the sums work. Since the opinion seems to be...
Forum: Tech Log
13th Apr 2011, 13:56
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Quoting from HazelNuts from way back last August...

Quoting from HazelNuts from way back last August (hope he doesn't mind)

'So, based on the ACARS messages alone, the ROD in the final seconds could have been anywhere between 2463 and 16320 fpm,...
Forum: Tech Log
13th Apr 2011, 10:57
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

'BOAC, discussions here led me to believe it was...

'BOAC, discussions here led me to believe it was standard practice for one of the cockpit crew to have his mask on so that if something went wrong with the air supply he'd still be alert enough to...
Forum: Tech Log
10th Apr 2011, 18:32
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

From Auraflyers calculations, ...

From Auraflyers calculations,



2:10:04-2:12:16 - cascade of faults generated but ACARS still able to be sent - 17 received.
(in this period, possibly 2:14:20, the cabin advisory message is...
Forum: Tech Log
10th Apr 2011, 15:51
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

when I was a much younger man

there was a post, or sequence of posts, analysing the ACARS sequence by people who knew what they were talking about. Could a kind soul point me to where that is please, I have looked and become...
Forum: Tech Log
4th Apr 2011, 20:51
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

wreckage location

Won't the location of the debris become very obvious once the recovery vessels turn up ? Before then, what is the risk beyond a boat load of photographers ?
Forum: Tech Log
13th Feb 2011, 19:24
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

MM43

Thanks as always.
Forum: Tech Log
13th Feb 2011, 10:55
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

oil slick and initiation event

Whatever happened to the oilsick ? Was it ever taken seriously in choosing the search area ? Not saying it should have been but just wondering.

On a separate point, whats the current view on the...
Forum: Tech Log
22nd Dec 2010, 17:57
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

ACARS system knowledge

Ok, but surely the investigating team is fully clued up on ACARS and would be capable of generating possible scenarios ? If the search area is still to the north seems they either came to a different...
Forum: Tech Log
6th Dec 2010, 23:46
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

neither am I

and I always remember whom I am working for (though corporate aren't that literate).
Forum: Tech Log
6th Dec 2010, 18:56
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Bit of a tease SA

Guess we will have to wait and see then -are we about to open a 'book' on this ?. My thoughts are that a physical model would have to be piecewise linear, so I am doubtful about quadratic curve fits...
Forum: Tech Log
5th Dec 2010, 14:34
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

Wind Data

Thanks SaturnV, have checked out the link. From what I can gather, did the drift models just look at surface current effects ? What I had in mind was just focusing on the galley section and using...
Forum: Tech Log
4th Dec 2010, 14:05
Replies: 3,893
Views: 1,530,948
Posted By Mr Optimistic

wind v currents

If I have missed this, my apologies. However, given the uncertain stability of the currents, is the wind information more reliable ? What I was wondering is that if some debris like the galley...
Showing results 1 to 35 of 61
 


 
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