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Search: Posts Made By: PBL
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4th Mar 2011, 19:22
Replies: 78
Views: 34,837
Posted By PBL

I haven't read it yet, but many thanks, Daniel,...

I haven't read it yet, but many thanks, Daniel, for putting it in the easily-accessible public domain.
3rd Mar 2011, 11:20
Replies: 131
Views: 84,682
Posted By PBL

Sorry, I don't. I'll see what I can do about...

Sorry, I don't. I'll see what I can do about quoting you the relevant bit, but it will take me some time as I have two deadlines I am working on into next week.




Contradiction, no; tension,...
3rd Mar 2011, 11:03
Replies: 3,110
Views: 1,483,488
Posted By PBL

If you are referring to this quote, ...

If you are referring to this quote,



then he most certainly is not.

This "latest news report" concerns the witness of the government's chief scientist before a Parliamentary Committee,...
Forum: Tech Log
28th Feb 2011, 19:50
Replies: 23
Views: 6,080
Posted By PBL

Maybe because it does? PBL

Maybe because it does?

PBL
28th Feb 2011, 09:39
Replies: 131
Views: 84,682
Posted By PBL

Overrun, a joke making the rounds after a...

Overrun,

a joke making the rounds after a relatively recent high-profile event on another continent: the countermeasure is to make the call louder. I guess that was ultimately seen as just too...
Forum: Tech Log
28th Feb 2011, 09:30
Replies: 18
Views: 2,643
Posted By PBL

Vague question, Snikers. For one thing, are...

Vague question, Snikers.

For one thing, are you talking about turbine bearings or, say, pump bearings.

Would you mean: lost 100% of oil pressure to all turbine bearings instantaneously?...
Forum: Tech Log
28th Feb 2011, 09:21
Replies: 3
Views: 2,690
Posted By PBL

bobby, It's as well to memorise that a 3...

bobby,

It's as well to memorise that a 3 glide slope is about 1 in 20.

A 3.54 glide slope is about 1 in 16.

The way to calculate this yourself is to put your cheap calculator in "degrees"...
Forum: Tech Log
28th Feb 2011, 09:10
Replies: 5
Views: 3,923
Posted By PBL

mat, your question is very imprecise. "After the...

mat, your question is very imprecise. "After the stall" refers to what now? You need to define it.

The physics of all this is continuous, so wherever you want to locate "the stall", the CoP just...
Forum: Tech Log
28th Feb 2011, 09:01
Replies: 29
Views: 17,268
Posted By PBL

It is as well to distinguish several different...

It is as well to distinguish several different meanings of the word "can". Various of the answers here refer to those different meanings.

1. Will the engine produce thrust if you inject it?

2....
28th Feb 2011, 07:21
Replies: 131
Views: 84,682
Posted By PBL

I am not sure how much I have to contribute to...

I am not sure how much I have to contribute to this thread, and in this I am at one with CONFiture and BOAC, but for a different reason.

I first published on the A320 air-ground logic eighteen...
Forum: Tech Log
26th Feb 2011, 07:23
Replies: 69
Views: 31,654
Posted By PBL

What an astonishing thing to say! Let me...

What an astonishing thing to say!

Let me suggest a different attitude. Having worked with CliveL professionally for well nigh 15 years now, I have learned, when I don't quite grasp something he is...
25th Feb 2011, 18:18
Replies: 1,357
Views: 772,020
Posted By PBL

Just to be clear, corsair and other people, I am...

Just to be clear, corsair and other people, I am not interested in "putting down" anybody. I asked a question. Hum carefully explained how he doesn't know the answer, and besides it isn't important,...
25th Feb 2011, 11:29
Replies: 1,357
Views: 772,020
Posted By PBL

Thank you for that link, drflight! It answers one...

Thank you for that link, drflight! It answers one of my questions, namely that FlightlineBCN's AOC is issued in Spain.

"what next", there is quite a bit of commentary earlier in the thread about...
25th Feb 2011, 08:44
Replies: 1,357
Views: 772,020
Posted By PBL

I am reading a lot of confusion and, because I am...

I am reading a lot of confusion and, because I am still reading, I thought it might be helpful to try to sort some of it out in the hopes that commentary might become more pertinent.

The accident...
23rd Feb 2011, 18:30
Replies: 129
Views: 29,076
Posted By PBL

SC, there are different meanings to the word...

SC,

there are different meanings to the word "trivial". I meant it in the good old mathematical sense of "easily fulfilled" and I think you took me to be meaning "unimportant". I definitely don't...
Forum: Tech Log
23rd Feb 2011, 08:41
Replies: 13
Views: 5,069
Posted By PBL

"Mach tuck" is old hat for old airplanes....

"Mach tuck" is old hat for old airplanes. Certification requirements assure that there are no adverse handling issues at high Mach numbers.

Certification also requires that, from M_mmo, the...
23rd Feb 2011, 08:05
Replies: 129
Views: 29,076
Posted By PBL

Brian, I've lost your point in the extensive...

Brian,

I've lost your point in the extensive quote. Is it that communications about complex matters such as the quality of safety-mandated inspections in airlines are less good than they should...
23rd Feb 2011, 07:56
Replies: 61
Views: 11,016
Posted By PBL

I think that, to get taken a little more...

I think that, to get taken a little more seriously, craftmaster, there are a few tropes to give up.

First, that the FAA fire safety people know little about fires. They know a lot, and they are...
23rd Feb 2011, 07:17
Replies: 8
Views: 11,279
Posted By PBL

"Has to be..."? "Accordance". I think there is...

"Has to be..."? "Accordance". I think there is some vestige of a misunderstanding of international law.

What constitutes an incident or accident is for national authorities, who are sovereign in...
21st Feb 2011, 10:24
Replies: 61
Views: 11,016
Posted By PBL

Well, no it's not. You have missed out any...

Well, no it's not. You have missed out any measures to address my steps 2-4. These are essential for fire risk in any situation in which you cannot control the source completely.

PBL
21st Feb 2011, 08:30
Replies: 61
Views: 11,016
Posted By PBL

I agree wholeheartedly! Neither am I. I am not...

I agree wholeheartedly! Neither am I. I am not sure if I know anyone who is happy with the current situation.

I think the pressing issue, though, is cargo, because very very probably people have...
21st Feb 2011, 07:14
Replies: 129
Views: 29,076
Posted By PBL

Recall we have recently had two US airlines fined...

Recall we have recently had two US airlines fined by the FAA because they did not keep up with ADs concerning structural problems.

I would say that US airlines have been on notice for some time...
20th Feb 2011, 09:02
Replies: 131
Views: 84,682
Posted By PBL

A logic that expects and requires flight crew to...

A logic that expects and requires flight crew to retard the thrust levers before touchdown as per SOPs.

The point is that the MLG compression is latched for 3 seconds, and ground spoilers come...
20th Feb 2011, 08:05
Replies: 61
Views: 11,016
Posted By PBL

craftmaster, first of all, welcome to...

craftmaster,

first of all, welcome to PPRuNe! You will find all sorts of people here, amongst them some people who have worked on and published on the issues of malfunctioning personal electronic...
19th Feb 2011, 21:55
Replies: 61
Views: 11,016
Posted By PBL

Craftmaster, no hostility on my part. Just...

Craftmaster,

no hostility on my part. Just decades of experience in getting people who think they know better to say what they think they know, and comparing the result with what is already out...
19th Feb 2011, 21:06
Replies: 61
Views: 11,016
Posted By PBL

Congratulations on your considerable background! ...

Congratulations on your considerable background!

Now answer my question: what would you suggest instead, and why? And why does it work better than what the people who have investigated this issue...
19th Feb 2011, 20:23
Replies: 61
Views: 11,016
Posted By PBL

Maybe because it works? They have...

Maybe because it works?



They have studied it enough to produce a persuasive video on their studies some 4 years ago and not to have changed their advice in the interim.

My experience with...
19th Feb 2011, 18:22
Replies: 61
Views: 11,016
Posted By PBL

So, craftmaster, you say don't put water anywhere...

So, craftmaster, you say don't put water anywhere near a lithium-ion battery fire.

The FAA says: first method of choice is to use a water extinguisher; second method of choice: halon 1211...
Forum: Tech Log
18th Feb 2011, 14:49
Replies: 18
Views: 3,194
Posted By PBL

I concur with Handlesinc that not much is known...

I concur with Handlesinc that not much is known about the radiation exposure of humans in alu-composite tubes at altitudes. I looked into this quite closely about a decade ago, although I am not a...
18th Feb 2011, 14:04
Replies: 1,357
Views: 772,020
Posted By PBL

Maybe so, Mr A Tis, maybe so, thanks for pointing...

Maybe so, Mr A Tis, maybe so, thanks for pointing that out! I must have missed it.
18th Feb 2011, 13:51
Replies: 1,357
Views: 772,020
Posted By PBL

I doubt it very much, Borealis. Even in these...

I doubt it very much, Borealis. Even in these days of pumped-up simulator-based training I don't think it's possible to acquire an ATPL without having flown a real airplane at least once.
17th Feb 2011, 07:37
Replies: 61
Views: 11,016
Posted By PBL

Heavens, SM, think before you speak (if it's...

Heavens, SM, think before you speak (if it's possible)!

One addresses hazards by something known as "hazard analysis" or Hazan, for which there are many different specific methods available, such...
17th Feb 2011, 07:28
Replies: 129
Views: 29,076
Posted By PBL

tff, the person self-identifying as "Shell...

tff,

the person self-identifying as "Shell Management" has, over time produced a number of what Flying Lawyer has termed "extreme views", and also misinformation concerning matters on which he...
16th Feb 2011, 19:54
Replies: 1,357
Views: 772,020
Posted By PBL

Smudger, I think PJ2 is pointing out that if...

Smudger,

I think PJ2 is pointing out that if a thread reader is discerning, relevant information, such as it is, is still here.

Even if he isn't, I am!

Of course, there is no magic formula...
16th Feb 2011, 19:33
Replies: 61
Views: 11,016
Posted By PBL

The hazard analysis of lithium-ion batteries...

The hazard analysis of lithium-ion batteries stems from the known chemistry and physical characteristics.

They can do, and do, go into thermal positive-feedback. This is physical fact. It is hard...
Showing results 1 to 35 of 887
 


 
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