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Is the 787 a failure ?
On Mon, 28 Jan 2013 22:47:49 +0000, Bradley K. Sherman wrote:
| | What, then, is wrong with the Dreamliner? | | "I think people had their fingers crossed that it was a | battery fault," Keith Hayward, head of research at the | Royal Aeronautical Society, told BBC. "It looks more | systemic and serious to me. I suspect it could be difficult | to identify the cause." | ... http://www.csmonitor.com/Environment...ces/2013/0128/ Boeing-787-battery-passes-initial-probe.-What-s-wrong-with-the-Dreamliner --bks NOT a battery fault ... something in the circuitry that monitors and controls the charge state. Could be rather minor - and under-rated low-ohm resistor, a cheapo Chinese cap or inductor ... or it could be further up, in the software. In the first case it means that EVERYTHING that uses similar components, and/or was designed by the same engineers, has to be taken apart and torture-tested. In the second case ... COULD be a local firmware glitch - assuming they're using "smart" modules - or it COULD be in the system software. The former is less of a big deal - such control programs tend to be relatively short. If the system software is nanny to this and more components however .... |
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