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Search: Posts Made By: arcniz
Showing results 1 to 13 of 13
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Forum: Rumours & News
14th Jul 2008, 02:01
Replies: 3,239
Views: 1,137,519
Posted By arcniz

Fundamental changes of method also go through a...

Fundamental changes of method also go through a cost-benefit filter and a "testability" filter.

Given at least a few incidents of unpowered flight, approaches, and landing sequences in heavy...
Forum: Rumours & News
5th Jul 2008, 23:57
Replies: 3,239
Views: 1,137,519
Posted By arcniz

While I am not the world's greatest typist, the...

While I am not the world's greatest typist, the time it has taken to type THIS sentence is approximately the time available for the entire process on BA038, from recognition of problem to arrival.
...
Forum: Rumours & News
3rd Jul 2008, 18:49
Replies: 3,239
Views: 1,137,519
Posted By arcniz

The poster's highly emotional comment, and the...

The poster's highly emotional comment, and the underlying concept, are misplaced here.

A number of reasonable persons consider fuel a likely or at least possible cause for the power failure...
Forum: Rumours & News
19th Jun 2008, 07:27
Replies: 3,239
Views: 1,137,519
Posted By arcniz

I find it very gratifying to see so many informed...

I find it very gratifying to see so many informed and thoughtful people putting their heads together on the "outside the box" analysis underway. In the worst case, this discourse burns some time but...
Forum: Rumours & News
15th Jun 2008, 18:35
Replies: 3,239
Views: 1,137,519
Posted By arcniz

That may be hard to come by. Problem is that...

That may be hard to come by. Problem is that typical fuels are not an "it", but a complex and widely varying collection of complex components blended to meet a set of specs. A batch could consist...
Forum: Rumours & News
10th Jun 2008, 07:57
Replies: 3,239
Views: 1,137,519
Posted By arcniz

The 7500 hours from publication allowance in the...

The 7500 hours from publication allowance in the testing requirement suggests a complete lack of any sense of urgency in this inquiry. Cold prospect as far as they're concerned.
Forum: Rumours & News
24th May 2008, 08:10
Replies: 3,239
Views: 1,137,519
Posted By arcniz

here's a stab at it: By the result alone,...

here's a stab at it:

By the result alone, without any further looking, about the crew of BA038 one can say:

In a very difficult situation, that occurred totally unforeseen...

with only...
Forum: Rumours & News
23rd May 2008, 16:49
Replies: 3,239
Views: 1,137,519
Posted By arcniz

Well & good to identify spectra for the chemical...

Well & good to identify spectra for the chemical constituents, but not necessarily a predictor of the behavior of the fuel when uncommon components and unfamiliar proportions are present (if happens...
Forum: Rumours & News
15th May 2008, 21:00
Replies: 3,239
Views: 1,137,519
Posted By arcniz

Airfoilmod

I fully agree with your assertion that a core vulnerability in ETOPS redundancy is that the top-level systems (i.e. the aircraft, external nav-comm environment, crew) are unitary and therefore not...
Forum: Rumours & News
15th May 2008, 17:33
Replies: 3,239
Views: 1,137,519
Posted By arcniz

Even if the tank fuel temp sensors used for...

Even if the tank fuel temp sensors used for flight-deck reporting WERE reading correctly, one may wonder if their reported readings were representative of the fuel temps actually in the dir0 ect path...
Forum: Rumours & News
13th May 2008, 07:46
Replies: 3,239
Views: 1,137,519
Posted By arcniz

bsieker says (re May 12 report ) How does...

bsieker says (re May 12 report )

How does that follow? If fuel were foaming per earlier comments, measured flow would remain low, fuel energy would remain low, and a quick reversal of that...
Forum: Rumours & News
8th May 2008, 01:42
Replies: 3,239
Views: 1,137,519
Posted By arcniz

Seems like a great spot for a backflow check...

Seems like a great spot for a backflow check valve, wot? Of course absence of fuel flow for any duration will tend to cause flameout also, but a pulsing flow mode might be the natural result in a...
Forum: Rumours & News
7th May 2008, 19:01
Replies: 3,239
Views: 1,137,519
Posted By arcniz

From experience observing complex fluids in...

From experience observing complex fluids in experimental systems, I believe cold fuel in the lines leading to the pumps might have a tendency to 'shear' and locally develop some very abnormal...
Showing results 1 to 13 of 13


 
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