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Search: Posts Made By: lomapaseo
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23rd Dec 2010, 18:14
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Well allmost never :) ...

Well allmost never :)

http://fromtheflightdeck.com/MEL/PPRune/shaft.jpg
17th Dec 2010, 03:55
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Somewhere in all this I completely forgot why the...

Somewhere in all this I completely forgot why the EGT is important or not in all this discussion about the IPT disk burst.

After the fact it only confirms some of the seconday events of a dieing...
13th Dec 2010, 00:07
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

One should not go too far in positing reasons for...

One should not go too far in positing reasons for the parameter changes unless you undertsand and know the contoling parameters in the FADEC relative to N1, N2, N3, RPM,s Pressure and temperatures.
...
12th Dec 2010, 12:55
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

I don,t understand the hypothesis relative to...

I don,t understand the hypothesis relative to this A380 thread of a link between thrust or tenperature to the failure causes :confused:

That's as much of a stretch as most of the other technical...
10th Dec 2010, 14:04
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

First floor Thanks at least for not...

First floor



Thanks at least for not being a "me-too" but instead adding more thoughts to the discussion. :ok:

IMO, it is not in RR interest to hold a press conference, instead providing...
8th Dec 2010, 18:11
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Thanks for the update Always like to work...

Thanks for the update

Always like to work with data rather than imagination.

I don't see this as "luck"

My thoughts initially go to infant mortality rather than a wear out mode.

But...
6th Dec 2010, 14:00
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

That is certainly part of it However the...

That is certainly part of it

However the highest energy parts having enough energy to pass through multiple metal layers of engine, do not ricochet until/unless they are substaintially slowed...
6th Dec 2010, 13:15
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

PBL Fair point, however the...

PBL



Fair point, however the divergence angles were derived from statistical data and never considered absolute. Neither is the protection of the aircraft considered absolute. Taken in total...
6th Dec 2010, 11:31
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

The 5 deg only applies to the largest fragments...

The 5 deg only applies to the largest fragments (1/3). Smaller fragments diverge more.

Still no confirmation of what fragments did what damage, nor the severity of the damage to the structural...
5th Dec 2010, 14:17
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Simple, would take about a half hour to confirm...

Simple, would take about a half hour to confirm that it failed and how, now the underlying reasons would take just a long as it is taking now.
4th Dec 2010, 00:56
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

CAAAD No problem in following your...

CAAAD

No problem in following your arguments

Again we agree on much and mostly what's left is how to address the rest. So I will adopt some of your wording and explain more of mine.

At...
3rd Dec 2010, 15:42
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

I'm quite impressed with the balanced discussions...

I'm quite impressed with the balanced discussions in the last 24 hours. Even those that seemingly take opposite views.

IMO there is room and need to learn from this and to improve standards in...
2nd Dec 2010, 17:43
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

CAAAD Of course you are right about...

CAAAD



Of course you are right about the exact specification JAR-E etc.

And yes I would agree about it not being an exact or easy to do.

But where would we be without such a...
2nd Dec 2010, 14:28
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Barit1 The more fancy you get with...

Barit1



The more fancy you get with this kind of trend monitoring the less conclusive it is.

The oil systems have many leakage paths like overboard breathers etc. Thus some perfectly safe...
1st Dec 2010, 18:26
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

even if one searched and found it in the specs or...

even if one searched and found it in the specs or RR book in a form that one could understand, what difference would it make in this thread?

Some poster is still going to offer up a redesign for...
29th Nov 2010, 19:52
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Hmm, would the sub-idle crossover for a typical...

Hmm, would the sub-idle crossover for a typical Low rotor spool (GE & PW) start off with the bearing load aft, then switch over to forward. While the high spool would typically start out forward...
26th Nov 2010, 23:17
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

John W Lewis Rest assured that your...

John W Lewis



Rest assured that your concerns will be investigated and addressed by the professional investigating teams and show up in their final report.

Today's issue is; what is the...
26th Nov 2010, 20:18
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Its a slow news day and the posted pictures were...

Its a slow news day and the posted pictures were a heck of a lot more revealing than the recent discussions so some tongue in cheek seemed appropriate to justify trying to get the damm picture to...
26th Nov 2010, 14:18
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

It's like the old style oil breather on a car...

It's like the old style oil breather on a car engine. It's an opening to the lube system and probably only vents at very low taxi power.
26th Nov 2010, 13:16
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Ventus45 I think that I found the problem ...

Ventus45

I think that I found the problem

it has too many bearings :}

http://fromtheflightdeck.com/MEL/PPRune/Trent800.jpg
23rd Nov 2010, 17:27
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Warning to all browsers There is a great...

Warning to all browsers

There is a great amount of mis-information let alone mis-understandings rattling around in this thread from a technical standpoint over the last few days. I strongly...
22nd Nov 2010, 13:27
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

The key word is "major" fragment. There is lots...

The key word is "major" fragment. There is lots of lesser stuff coming along with these "major" pieces. The lesser stuff only goes through lesser aircraft skin.
20th Nov 2010, 21:30
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

The certification basis is typically based on the...

The certification basis is typically based on the experience base of 3 equal HE fragments released simultaneously. It was then to be shown that a probable single HE fragment striking the most...
20th Nov 2010, 16:40
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

OK BOAC appologized for even mentioning...

OK BOAC appologized for even mentioning statistics :E

But this blame game stuff about who knew what and when and lawyereese talk fails to understand the imperfect engineering world we live in and...
20th Nov 2010, 14:25
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Did you forget my earlier answer :E Flight...

Did you forget my earlier answer :E

Flight safety statistics generally follow the thinking in regulation 25.1309 and are stated per hour. That's what I assumed BOAC was commenting about
20th Nov 2010, 12:54
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Incidents of this magnitude do occur at 1 in 10...

Incidents of this magnitude do occur at 1 in 10 ^7, while worst outcomes are 1 in 10 ^8. Considering all the other stuff that goes bang in the night, this really was a demonstration of the...
18th Nov 2010, 16:20
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

All along the bottom of the wing (mostly inboard)...

All along the bottom of the wing (mostly inboard) would be shrapnel damage from the smaller bits (blades etc.) some of which would make holes but very few actually pass through the skin. These would...
17th Nov 2010, 20:56
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Classic stretched disk maybe

Classic stretched disk maybe
17th Nov 2010, 14:33
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

There seems to be a lot of talk about what RR...

There seems to be a lot of talk about what RR knew and when, regarding possible contributions to the cause of this incident. While I will admit to the natural questions arising external from Rolls,...
17th Nov 2010, 13:56
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

paull Yup, you have an understanding...

paull



Yup, you have an understanding of this. The regulation addresses this on the basis that three equal size infinite energy segments are released simultaneously. The regulation also...
16th Nov 2010, 15:20
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

BOAC Not sure where your source is for the...

BOAC

Not sure where your source is for the so called facts. But I seriously doubt that many of them are sustainable as fact.

We have lots of "what ifs" and hand wringing in this forum but the...
16th Nov 2010, 12:30
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

From Post 1001 Thanks to Poster ...

From Post 1001

Thanks to Poster


http://fromtheflightdeck.com/MEL/PPRune/wing_1.jpg

http://fromtheflightdeck.com/MEL/PPRune/wing_2.jpg
15th Nov 2010, 21:34
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

Where in the photos did it show a massive...

Where in the photos did it show a massive internal fuel leak:confused:
15th Nov 2010, 02:17
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

But the design has already addressed this...

But the design has already addressed this challenge, so why bring it up?
14th Nov 2010, 13:23
Replies: 1,964
Views: 1,344,307
Posted By lomapaseo

But we don't know yet that the August 2010 AD has...

But we don't know yet that the August 2010 AD has anything to do with the thread subject incident :confused:

and BTW there are lots of problems out there under ADs whose compliance times still...
Showing results 1 to 35 of 49
 


 
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