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Search: Posts Made By: lomapaseo
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26th Apr 2011, 17:45
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

This press release is already running in the Tech...

This press release is already running in the Tech section
3rd Mar 2011, 00:29
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

I believe this was covered a week ago in the Tech...

I believe this was covered a week ago in the Tech section.
9th Jun 2010, 03:24
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

No and yes :) Agree about the decsion making...

No and yes :)

Agree about the decsion making part of it not being dependant on committees and the need for a specific process tuned to daily info to make such decisions.

The committees are...
4th Jun 2010, 13:05
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Rather good perceptive posts above and in some...

Rather good perceptive posts above and in some cases sounding at odds with one another :ok:

The status quo takes a long time to change all the various opinions in our industry. Especially when it...
3rd Jun 2010, 13:42
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

TyroPicard Yes those pictures have...

TyroPicard



Yes those pictures have been posted many times within this thread. They closely match the known severe events affecting engines.

The discussion just above had to do with VA...
2nd Jun 2010, 01:18
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

That's the way it is sometimes when you always...

That's the way it is sometimes when you always wished that you knew more about a subject.

The good and the bad about this vacumn of knowledge is that the really significant findindings get...
1st Jun 2010, 18:50
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

brooksjg Can you provde more support,...

brooksjg



Can you provde more support, link, personal experience, etc. that suggest that the melting point of VA is "quite close" to the cooling air temperature of 650-700 C degrees in a...
31st May 2010, 02:46
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

There is also no such thing as a standard bird...

There is also no such thing as a standard bird either.

The environmental encounter regulations are based on probability of encounter. The probability of encounter considers historical experience....
30th May 2010, 16:11
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

No doubt the answer will probably be yes, if ...

No doubt the answer will probably be yes, if
But it hasn't happened yet because the probability of the if factor and a high ash concentration hasn't come together.

I wonder if the if factor...
30th May 2010, 00:54
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Nice photos of a turbine blade. So air flows...

Nice photos of a turbine blade.

So air flows through those holes and comes out the other end.

So dust is light enough to float in the air at very high altitudes and manages to flow into the...
27th May 2010, 01:10
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Sunfish Your arguments are tiresome...

Sunfish



Your arguments are tiresome and not borne out by fact but only by your own imagination.

Your opinions have been registered, just like the rest of us. Hopefully you can't go on and...
25th May 2010, 23:38
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

The difference in interpretation between these...

The difference in interpretation between these two quotes is based on measurements of risk/ safety not grounded against costs. As a read of the FAA engine guys release weeks ago, suggests, the...
21st May 2010, 15:35
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Flight safety risk analysis does not work with...

Flight safety risk analysis does not work with extremely rare consequences.

What is done is to review much more common outcomes which fortunately for the passenger and crew are measurable...
20th May 2010, 23:56
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

I have another perspective The "media" in...

I have another perspective

The "media" in the above statement is way too inclusive. I do agree however about the so called "half-knowledge" and it was exactly this point that resulted in the...
19th May 2010, 12:32
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

A lot of what is seen here is the after effects...

A lot of what is seen here is the after effects of leaving an engine run-on for minutes after experiencing an uncontained failure. Probably the pilots were in a high workload regime.

(engines...
18th May 2010, 17:58
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Data is like that

Data is like that
17th May 2010, 02:26
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Diversification Where does this...

Diversification



Where does this extrapolation fit into the discussion subject:confused:

It's already known what ice crystals can do on their own and where they are likely to be encountered...
15th May 2010, 00:13
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Personally I would take a wait and see attitude

Personally I would take a wait and see attitude
13th May 2010, 13:32
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Not much unique about volcanic ash particles...

Not much unique about volcanic ash particles other than their melting points compared to surface dirt. So with all the sucking of engines for years on-the-wing, not much accumulations are found...
10th May 2010, 20:39
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

ChristiaanJ Hmmm, what did you have in...

ChristiaanJ



Hmmm, what did you have in mind:confused:
6th May 2010, 19:56
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

peter we This is just semantics. ...

peter we



This is just semantics.

The manufacturers have not stated that "there is no safe level of ash ingestion"

The manufacturers can not tell you when it is unsafe to fly but can tell...
1st May 2010, 12:26
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

you are reading way too much into the words. ...

you are reading way too much into the words.

In order to continue you need to define how you intrepreted zero tolerance.

From a safety of flight standpoint take a look at the FAA release posted...
30th Apr 2010, 01:08
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

This is a suitable discussion for the Tech...

This is a suitable discussion for the Tech section

The only time that the ash is going to melt is when it's entrained in the compressor air as it passes through the stoichrometric heat of the...
29th Apr 2010, 16:49
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Yes, thanks for that perspective. I was thinking...

Yes, thanks for that perspective. I was thinking about immediately following the latest eruption and hours before they shut down most of the air routes. But I accept that if IATA had laid the...
29th Apr 2010, 13:38
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Of course the above is all true, but many of us...

Of course the above is all true, but many of us never considered that a decision of this magnitude would be taken by so few. it was anticpated that some air routes would be shutdown in a stair cased...
29th Apr 2010, 01:59
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Excellent writing and a masterful release:ok: ...

Excellent writing and a masterful release:ok:

now what was the question again?
28th Apr 2010, 18:48
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Check with your local safety committe and ask...

Check with your local safety committe and ask what they have heard from ALPA/IFALPA, etc.

This is more than than engine testing, it also has to do with geological, weather and routing. Take that...
26th Apr 2010, 22:23
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Partly correct. The rotational motion only...

Partly correct.

The rotational motion only lasts between the aft side of the spinning blade and the entrance to a stator row. However it is within that distance that the heavier particles will...
26th Apr 2010, 19:16
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

[quote] It's a law of physics. You start to give...

[quote] It's a law of physics. You start to give ANY MASS a rotational velocity around a point then its going to move outwards.

Sorry but even if the forces are tiny and the movement is small the...
25th Apr 2010, 22:56
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

John Farley Premature compared to...

John Farley



Premature compared to what:confused:

What metric should alert us and when will they know? in one month? one year??
25th Apr 2010, 18:40
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Not a bad discussion these last (few posts ....if...

Not a bad discussion these last (few posts ....if they survive :))

The answer probably lies in the details.

On the surface it appears that the historical single-flight safety impact from...
25th Apr 2010, 00:06
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

captainpaddy of course you're right,...

captainpaddy



of course you're right, but what was being discussed was the centrifuging of particles heavier than air like rain, hail, dust, volcanic ash. The engine manufacturers of these...
24th Apr 2010, 13:45
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

Once again, the smaller the particle (dust vs...

Once again, the smaller the particle (dust vs sand) the hotter it gets as it passes through the combustor.

The larger the particle (sand and young eruption volcanic stones that haven't fallen to...
22nd Apr 2010, 21:15
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

We're beginning to chase our tail on the question...

We're beginning to chase our tail on the question Is It Safe to Fly and we need limits from the engine manuafactures.

Many of the demands arise from folks with little experience in managing...
22nd Apr 2010, 16:20
Replies: 3,110
Views: 1,591,131
Posted By lomapaseo

There's a difference between limitations and...

There's a difference between limitations and recommendations. I don't believe that any manufacturer has published limitations relative to what you must not ingest. They may however published...
Showing results 1 to 35 of 48
 


 
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