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Search: Posts Made By: archae86
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Forum: Tech Log
8th Mar 2013, 03:32
Replies: 1,100
Views: 261,058
Posted By archae86

they mention balancing

I agree that the schematic obviously does not show all connections or components. Regarding balancing, there is a small explicit reference in the Materials Laboratory Factual Report released on...
Forum: Tech Log
7th Mar 2013, 22:33
Replies: 1,100
Views: 261,058
Posted By archae86

docket link

The Pprune site inserts considerable overhead on links, presumably as part of a scheme to get paid for forwarding traffic in some cases.

If you can get to the NTSB site, you may find it helpful...
Forum: Tech Log
7th Mar 2013, 21:04
Replies: 1,100
Views: 261,058
Posted By archae86

Materials lab report

The March 7 released materials lab report has considerable detail on the battery covering some points which have been considered open on this form.

It can currently be found at:
...
Forum: Tech Log
31st Jan 2013, 21:52
Replies: 1,100
Views: 261,058
Posted By archae86

rumor of improved protection approach

The Seattle area TV station King5 has posted a story simply attributed to "sources" (http://www.king5.com/news/aerospace/Could-Boeing-have-a-fix-for-the-787-battery-problems-189115821.html) asserting...
Forum: Tech Log
30th Jan 2013, 15:33
Replies: 1,100
Views: 261,058
Posted By archae86

mix of replacement reasons

That story is evolving this morning. A Seattle Times article quoted a Boeing source at more than 100 replacements. However, many of those are for reasons other than observed premature discrepant...
Forum: Tech Log
30th Jan 2013, 02:38
Replies: 1,100
Views: 261,058
Posted By archae86

many ANA removals

The New York Times website currently shows as part of their January 30, 2013 content a story which leads with some details of (apparently for cause and unscheduled) removals of battery packs in the...
Forum: Tech Log
27th Jan 2013, 22:44
Replies: 1,100
Views: 261,058
Posted By archae86

NTSB January 27 press release

Not that there is much meat there, but in case of interest there is a Sunday press release (http://www.ntsb.gov/news/2013/130127.html) which is being reported in some press as exonerating the...
Forum: Tech Log
22nd Jan 2013, 22:21
Replies: 1,100
Views: 261,058
Posted By archae86

spraying that electrolyte is bad

First, I'm honored to have earned a comment from you.

But, second, I think the "no harm done" view voiced by some here is rather too optimistic. The electrolyte in these batteries is itself a...
Forum: Tech Log
20th Jan 2013, 22:08
Replies: 1,100
Views: 261,058
Posted By archae86

cobalt, I think, not manganese

I think not.

The GS Yuasa site (http://www.gsyuasa-lp.com/aviation-lithium-ion-markets) story on 787 batteries points to GS Yuasa parts LVP10 and LVP65.

GS Yuasa "spec sheets" for the LVP10/65...
Forum: Tech Log
20th Jan 2013, 21:33
Replies: 1,100
Views: 261,058
Posted By archae86

words on that graph

http://i337.photobucket.com/albums/n385/motidog/787batt02_zps393f8581.jpg


I happen to know the man who took the data, made the graph, and presented it to more than one conference--ballpark a...
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