Forum Home
PC World Chat
Thread ID: 136073	2014-01-16 07:55:00	Boeing bent over for new probe as 787 batteries vent fluid, start to MELT	zqwerty (97)	PC World Chat

Post ID	Timestamp	Content	User
1365313	2014-01-16 07:55:00	www.theregister.co.uk s_fail/	zqwerty (97)
1365314	2014-01-16 09:13:00	It seems to me like Einstein having trouble with his 12x table. What on earth is going on?	Cicero (40)
1365315	2014-01-16 10:04:00	The 'engineers' are "cutting out all the fat" as they say so the corporations can make as much money as possible, sacrificing safety as number one priority. The 747 was a great aircraft and the only big airliner I would willingly fly on. 4 engines absolutely essential when flying over large stretches of water, and proven by the test of time to be one of the best aircraft ever. Lithium batteries, lightweight, hi-charge density, but look at the problems we have seen on laptops and phones. Wouldn't like to be anywhere near them in any sort of collision/hard landing. They are in a really big pack on the planes, a fire-bomb just waiting for the wrong combination of events and right in the passenger area.	zqwerty (97)
1365316	2014-01-16 17:24:00	They are so fixated with weight, not worth the hassle for the difference in weight between nicad and lithium batteries. The difference probably the weight of one obese passenger compared with a thin one boarding. Sometimes engineers need a good pistol whipping and pointing in the right direction. Nothing wrong sometimes with tried and true, I made a battery for my David Brown 25 boat tractor from ni cad aircraft batteries cells that had failed test. Just put them in a bucket linked with bits of ally. The battery was under the seat and a lot of fizzing could be heard from a cold start when tractor been sitting for a while.. But after saying start you bastard and a few anglo saxon oaths no disaster ever happened.	prefect (6291)
1365317	2014-01-16 18:22:00	Well they need to sort out the safety issues but if my cordless tools are anything to go on the difference could be fairly significant. I have a NiCad and a Lithium Ion battery of similar capacity for my tools, the Lithium battery is half the size and weight, lasts longer, and holds it's charge better. In the larger size there are batteries available with 3 times the Nicad capacity but they are also more than 3 times the price which is why I still have Nicads (good enough). But fair enough, in an aircraft a proven safety track record should outweigh everything else. It's not like you can pull over and bail out if things go wrong.	dugimodo (138)
1365318	2014-01-16 19:44:00	Well they need to sort out the safety issues but if my cordless tools are anything to go on the difference could be fairly significant. I have a NiCad and a Lithium Ion battery of similar capacity for my tools, the Lithium battery is half the size and weight, lasts longer, and holds it's charge better. In the larger size there are batteries available with 3 times the Nicad capacity but they are also more than 3 times the price which is why I still have Nicads (good enough). But fair enough, in an aircraft a proven safety track record should outweigh everything else. It's not like you can pull over and bail out if things go wrong. Well you could bail out lol	prefect (6291)
1365319	2014-01-16 20:13:00	Well you could bail out lol Have they started issuing parachutes?	Cicero (40)
1365320	2014-01-16 20:39:00	Prefect, we too had some of those Aircraft starting batteries that had been rejected by one of the Carriers and found their way to us. Each one was 1.25 volts nominal, so we put 10 in series. They were used as a replacement for the lead acid batteries in two cars and worked very well, heaps of cranking torque. Made me wonder what new ones would be like.	zqwerty (97)
1365321	2014-01-16 23:11:00	In the dark days when I was an engineering teacher my mate a fellow teacher acquired an empty plastic battery case, I think it was a shop display one cant remember brand to be honest it could have been Lucas. It had plastic dummy posts and electrolyte covers. For all intents and purposes it looked like a battery but only weighed a few grams. He did an experiment at the school threw it at normal men and they refused to catch it and some pushed it away from their body I guess so it wouldn't crush their feet. Because normal men thought it was full of lead, probably as you expected. But throw it at any girl in the school including a typist, some chick ENGINEERING students and chick data inputers and they all caught it and though no more of it. The one *** male at work caught it as well.	prefect (6291)
1