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Search: Posts Made By: Momoe
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Forum: Rumours & News
11th Jul 2013, 13:38
Replies: 2,185
Views: 1,032,266
Posted By Momoe

In the 'Good old days', the manufacturers...

In the 'Good old days', the manufacturers bottomed out the cause of the problem and then carried on.

Following the Comet crashes, DH built a fuselage sized tank and ran endless pressurisation...
Forum: Rumours & News
1st Jun 2013, 06:50
Replies: 2,185
Views: 1,032,266
Posted By Momoe

I've learned more from other articles on the...

I've learned more from other articles on the battery failures, nothing new here, just a rehash of known events albeit reasonably concise and non dramatic.

The best article IMO is here James...
Forum: Rumours & News
16th Apr 2013, 15:29
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Understand the necessity for the APU (and indeed...

Understand the necessity for the APU (and indeed for any system) to have monitoring in case of problems but couldn't this be served by incorporating a small PMG in the APU, thus making it independent...
Forum: Rumours & News
10th Apr 2013, 01:04
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Kiskaloo, agreed that the 787 battery issues...

Kiskaloo,

agreed that the 787 battery issues are currently being investigated by NTSB and JTSB, the implication in your post is that Boeing (and the subs) are confident that their fix will be...
Forum: Rumours & News
5th Apr 2013, 13:50
Replies: 2,185
Views: 1,032,266
Posted By Momoe

In reply to Whatdoesthisbuttondo, 60 years...

In reply to Whatdoesthisbuttondo,

60 years ago, the DH Comet was also popular with pax and crew; faster, quieter, etc.

Then design flaws caught up with it and it never recovered; I believe that...
Forum: Rumours & News
1st Apr 2013, 01:28
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Syseng68k, post # 1496 I'm not disagreeing...

Syseng68k, post # 1496

I'm not disagreeing with design issues, however if the only source of power is the battery, then it's a question of how long before the plane gets to the ground, if the...
Forum: Rumours & News
14th Mar 2013, 23:11
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Pub user "Details seem to be under wraps at the...

Pub user
"Details seem to be under wraps at the moment (why?) but I believe the 'fix' incorporates the following: a software change to the charging system, re-designed cells with better...
Forum: Rumours & News
13th Mar 2013, 16:02
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Syseng68k, Good post, especially last...

Syseng68k,

Good post, especially last paragraph.

Boeing stock being at a 5 year high on the back of this is ironic!
There will be a bottom line to this, it's just not been written yet, let's...
Forum: Rumours & News
12th Mar 2013, 20:52
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Official Link to FAA web Press Release...

Official

Link to FAA web
Press Release – FAA Approves Boeing 787 Certification Plan (http://www.faa.gov/news/press_releases/news_story.cfm?newsId=14394)
Forum: Rumours & News
12th Mar 2013, 19:18
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Like the bench test idea, providing it accurately...

Like the bench test idea, providing it accurately reflects the actual operating conditions. I also hope the FAA is invited so that all relevant parties can have input, although I suspect that the...
Forum: Rumours & News
8th Mar 2013, 18:23
Replies: 2,185
Views: 1,032,266
Posted By Momoe

There are aspects of the electrical system that...

There are aspects of the electrical system that aren't working as they should, the battery swap frequency makes me think that the Li-Ion infrastructure needs to be better understood before a solution...
Forum: Rumours & News
8th Mar 2013, 15:05
Replies: 2,185
Views: 1,032,266
Posted By Momoe

VAPilot 2004, Aviation safety has moved on a...

VAPilot 2004,

Aviation safety has moved on a lot since the 70's, while it's understandable to have teething problems when introducing new technology, both the carriers and their passengers did not...
Forum: Rumours & News
7th Mar 2013, 22:08
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Having scanned the report, the reason for the...

Having scanned the report, the reason for the differences of opinion between the NTSB and the FAA become apparent.

Boeing were keen to push the boundaries, hence the 'Electric plane concept' and...
Forum: Rumours & News
6th Mar 2013, 20:34
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Turin, thanks for the succinct...

Turin,
thanks for the succinct clarification.

Getting back to the Laredo incident, IIRC, this had major electrical issues on approach and deployed the RAT to power basic...
Forum: Rumours & News
6th Mar 2013, 14:28
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Connor's reassurance that the batteries aren't...

Connor's reassurance that the batteries aren't used in flight isn't right?

What starts the APU in the air?
Also, the 787 also has electric brakes, no power, no brakes, yeah I know that the...
Forum: Rumours & News
5th Mar 2013, 13:58
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Read the article and it's not plausible, still...

Read the article and it's not plausible, still got patch written all over it.

Article quotes Connor as saying the cells will have enhanced spacing, in a box which will vent to outside the...
Forum: Rumours & News
1st Mar 2013, 05:54
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Ex Cargo Clown You been asleep for a few...

Ex Cargo Clown

You been asleep for a few months?

Sharpen up mate! I was specifically referring to battery issues, the Laredo incident wasn't battery related or only indirectly in that if you...
Forum: Rumours & News
28th Feb 2013, 15:23
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Kiskaloo, Agreed, in that Boeing don't...

Kiskaloo,

Agreed, in that Boeing don't design batteries. They would have looked at the energy density values and at the design stage, Lithium-Ion would have been a no-brainer.

Yuasa's...
Forum: Rumours & News
26th Feb 2013, 14:08
Replies: 2,185
Views: 1,032,266
Posted By Momoe

If two of the main drivers for the battery are...

If two of the main drivers for the battery are APU start and brakes, why wasn't air considered?

I know the spec. for APU starts required the capability of multiple re-starts up to and including...
Forum: Rumours & News
25th Feb 2013, 14:00
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Boeing are taking a beating partly because the...

Boeing are taking a beating partly because the planes aren't flying for a damn good reason, the other issue is Boeing's perceived lack of clear oversight across the design/implementation.
...
Forum: Rumours & News
24th Feb 2013, 18:29
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Outsourced or not, the buck stops with Boeing. ...

Outsourced or not, the buck stops with Boeing.

This is a tough challenge for Boeing, the outsourcing model failed, a lot of folk are looking to Boeing to come up with an elegant, engineered...
Forum: Rumours & News
24th Feb 2013, 14:57
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Give the engineers a little bit of credit for...

Give the engineers a little bit of credit for being able to mitigate a problem when their attention is focused on it.

I have issues with that statement at many levels:

First, are these the same...
Forum: Rumours & News
22nd Feb 2013, 13:39
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Airbus have stated (Very publicly) that they are...

Airbus have stated (Very publicly) that they are reverting to NiCd on the A350, general perception appears to be that Lithium batteries and aircraft are a bad combination.

With the 787 production...
Forum: Rumours & News
22nd Feb 2013, 10:19
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Seems a little clearer to me now. Boeing's...

Seems a little clearer to me now.

Boeing's initial tests concluded that a single cell overheat wouldn't propagate to the rest of the battery, that's obviously not the case as it's been determined...
Forum: Rumours & News
21st Feb 2013, 17:05
Replies: 2,185
Views: 1,032,266
Posted By Momoe

Romulus, It's a long standing feature of the...

Romulus,

It's a long standing feature of the aviation industry, Comet being a classic example.

Since when did the aviation industry have sole rights on learning from other folks errors?

The...
Forum: Rumours & News
19th Feb 2013, 13:55
Replies: 2,185
Views: 1,032,266
Posted By Momoe

"And it's probably a lot easier and faster to...

"And it's probably a lot easier and faster to prove that a titanium box can contain a battery fire than it is to prove a battery won't burn. So the box may be the fastest way to get flying."

Are...
Forum: Rumours & News
18th Feb 2013, 22:13
Replies: 2,185
Views: 1,032,266
Posted By Momoe

If I'm reading the reports correctly, I'm amazed...

If I'm reading the reports correctly, I'm amazed that Boeing are sticking with Lithium.

In fact, the more I read the more amazed I am; the problem appears to stem from an internal battery issue...
Forum: Rumours & News
16th Feb 2013, 10:03
Replies: 2,185
Views: 1,032,266
Posted By Momoe

"I thought some 595+ orders sort of negates that...

"I thought some 595+ orders sort of negates that statement?"

595 historical orders, you could start a new thread on the impact this will have on Boeing's sales, suffice to say that Airbus...
Forum: Rumours & News
8th Feb 2013, 18:12
Replies: 2,185
Views: 1,032,266
Posted By Momoe

In reply to jcjeant, I was sufficiently...

In reply to jcjeant,

I was sufficiently influenced by the DC-10 crashes that I made a point of not flying in the 10, I did fly 747 and Tristar but never the 10.

Granted people continued to fly...
Showing results 1 to 29 of 29


 
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