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Search: Posts Made By: peter we
Showing results 1 to 18 of 18
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Forum: Rumours & News
21st Apr 2013, 14:03
Replies: 2,185
Views: 1,032,245
Posted By peter we

Dreamliner to fly 200 times before taking...

Dreamliner to fly 200 times before taking passengers: ANA | Plane Talking (http://blogs.crikey.com.au/planetalking/2013/04/21/dreamliner-to-fly-200-times-before-taking-pax-ana/)
Forum: Rumours & News
20th Apr 2013, 20:42
Replies: 2,185
Views: 1,032,245
Posted By peter we

FAA clears 787s to re-enter service within a week...

FAA clears 787s to re-enter service within a week (http://www.flightglobal.com/news/articles/faa-clears-787s-to-re-enter-service-within-a-week-384930/)



The imperative is a return to commercial...
Forum: Rumours & News
20th Apr 2013, 20:22
Replies: 2,185
Views: 1,032,245
Posted By peter we

With this 'solution' the passengers will never...

With this 'solution' the passengers will never know about its so the problem will not exist.
Forum: Rumours & News
10th Apr 2013, 17:31
Replies: 2,185
Views: 1,032,245
Posted By peter we

Press Release – FAA Approves Boeing 787...

Press Release – FAA Approves Boeing 787 Certification Plan (http://www.faa.gov/news/press_releases/news_story.cfm?newsId=14394)


I doesn't say the battery improvements will allow the 787 to...
Forum: Rumours & News
26th Mar 2013, 21:38
Replies: 2,185
Views: 1,032,245
Posted By peter we

Neither address the problem, the cause of the...

Neither address the problem, the cause of the failure. This is why the FAA describe the changes as 'improvements' and a not a fix, solution or answer to the problem.



I don't believe this....
Forum: Rumours & News
26th Mar 2013, 07:09
Replies: 2,185
Views: 1,032,245
Posted By peter we

Lets be clear here. the FAA said the improvements...

Lets be clear here. the FAA said the improvements to the battery were a step towards solving the safety issues with the 787.

The battery box is not a fix or solution to the problem according to...
Forum: Rumours & News
25th Mar 2013, 19:05
Replies: 2,185
Views: 1,032,245
Posted By peter we

You don't understand statistics or engineering.

You don't understand statistics or engineering.
Forum: Rumours & News
23rd Mar 2013, 13:01
Replies: 2,185
Views: 1,032,245
Posted By peter we

Over a hundred batteries have failed in 50,000...

Over a hundred batteries have failed in 50,000 hours, which gives a 1:500 hours failure rate. Over a 10 hour flight thats 1 in 50, the chance of both batteries failing is therefore for 50x50=1:2500. ...
Forum: Rumours & News
17th Mar 2013, 21:26
Replies: 2,185
Views: 1,032,245
Posted By peter we

Thats precisely how the Tesla is designed. It...

Thats precisely how the Tesla is designed. It contains 6800 of these (18650 cell) -

List of battery sizes - Wikipedia, the free encyclopedia...
Forum: Rumours & News
13th Mar 2013, 08:00
Replies: 2,185
Views: 1,032,245
Posted By peter we

FAA says its an improvement to the battery...

FAA says its an improvement to the battery system, not a fix.

The redesign has been approved for testing, a design that should been used from the start.

Doesn't mean the 787 is much closer to...
Forum: Rumours & News
14th Feb 2013, 20:52
Replies: 2,185
Views: 1,032,245
Posted By peter we

Power and voltage are interchangeable, the...

Power and voltage are interchangeable, the overriding principle is to avoid a fire.
Forum: Rumours & News
14th Feb 2013, 20:24
Replies: 2,185
Views: 1,032,245
Posted By peter we

The battery failed the real world test. So...

The battery failed the real world test.
So working backwards, Boeing did not test it for certification, unless they deliberately introduced a battery with known design flaws and covered it up.

...
Forum: Rumours & News
6th Feb 2013, 20:12
Replies: 2,185
Views: 1,032,245
Posted By peter we

I'd say the test flights will be to prove a...

I'd say the test flights will be to prove a theory or demonstrate a reproducible error/issue.

Simply replacing a part and flying it to prove the issue doesn't re-occur won't be very convincing...
Forum: Rumours & News
5th Feb 2013, 07:25
Replies: 2,185
Views: 1,032,245
Posted By peter we

You do realise that Yuasa only makes the cells,...

You do realise that Yuasa only makes the cells, the actually battery system is made by other companies and the Yuasa cells are the only part of that system, so far, shown to be functioning correctly...
Forum: Rumours & News
24th Jan 2013, 07:11
Replies: 2,185
Views: 1,032,245
Posted By peter we

You really believe in the 'I don't know anything...

You really believe in the 'I don't know anything about it, so it doesn't exist' approach to safety, don't you?

Fortunately the FAA (who have a clear definition of risk, BTW) is going to have to...
Forum: Rumours & News
23rd Jan 2013, 19:52
Replies: 2,185
Views: 1,032,245
Posted By peter we

The final straw for LOT, apparently they are...

The final straw for LOT, apparently they are paying around $300k per month each for their 787's



PLL LOT to transfer its assets to Eurolot? - Warsaw Business Journal - Online Portal - wbj.pl...
Forum: Rumours & News
21st Jan 2013, 22:54
Replies: 2,185
Views: 1,032,245
Posted By peter we

The APU is required for the ETOPS certification,...

The APU is required for the ETOPS certification, which by definition has to be very reliable and therefore needs a very reliable battery.

I can see that this is going to be a long process.
Forum: Rumours & News
21st Jan 2013, 20:44
Replies: 2,185
Views: 1,032,245
Posted By peter we

The difference is that 'cheap' mass produced...

The difference is that 'cheap' mass produced batteries and chargers are about a million times less likely to result in a battery fire than a 787 battery.

The 787 battery/electrically system has a...
Showing results 1 to 18 of 18


 
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