[Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread Harry Veeder
LENR? Harry Electrolux vacuum explodes, causing third-degree burns Last Updated: Friday, March 27, 2009 | 10:19 AM ET Comments44Recommend29 CBC News A woman is recovering from third-degree burns to her left palm after the cordless vacuum she was using to clean the stairs in her Richmond,

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread leaking pen
Static buildup, ignition of dust. I've heard of several cases where the static buildup from the cyclone style canister vacs spark and ignite some of the deodorizing powders that have become popular. I got good 5 inch arcs off a vacuum once, so I can believe it. On Fri, Mar 27, 2009 at 8:15 AM,

RE: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread Jones Beene
Since it was a cordless, there was likely a lithium battery. These batteries have a history of overheating and explosion. It could be coincidental, of course, that the batteries contain lithium hydroxide which has been used successfully as the electrolyte in cold fusion experiments. Jones

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread Mark S Bilk
Downloading and magnifying the upper photo appears to show that the top visible cell of the battery (still mostly inside the handle) had burst, blowing a hole in the handle. Those cells are pretty small, and if they can power the motor for a while they must contain a substantial amount of

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread Stephen A. Lawrence
Jones wrote: Since it was a cordless, there was likely a lithium battery. These batteries have a history of overheating and explosion. Mark S Bilk wrote: Downloading and magnifying the upper photo appears to show that the top visible cell of the battery (still mostly inside the handle)

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread leaking pen
Darn. so much for my exploding static vortex dust cyclone idea. damn you and your logic! On Fri, Mar 27, 2009 at 12:23 PM, Stephen A. Lawrence sa...@pobox.com wrote: Jones wrote: Since it was a cordless, there was likely a lithium battery. These batteries have a history of overheating and

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread mixent
In reply to Harry Veeder's message of Fri, 27 Mar 2009 11:15:39 -0400: Hi, [snip] The conventional explanation is an internal short, however I wonder about that. An internal short can't be any worse than an external short, so has anyone managed to cause a fully charged battery to explode simply

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread mixent
In reply to leaking pen's message of Fri, 27 Mar 2009 12:36:58 -0700: Hi, [snip] Darn. so much for my exploding static vortex dust cyclone idea. damn you and your logic! Note also that the casing that holds the batteries has been blown away. This is clearly due to an explosion from within.

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread leaking pen
all i can plead is that my work internet filters prevent me from seeing the picture, and i skimmed the article. On Fri, Mar 27, 2009 at 2:44 PM, mix...@bigpond.com wrote: In reply to  leaking pen's message of Fri, 27 Mar 2009 12:36:58 -0700: Hi, [snip] Darn.  so much for my exploding static

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread Stephen A. Lawrence
mix...@bigpond.com wrote: In reply to Harry Veeder's message of Fri, 27 Mar 2009 11:15:39 -0400: Hi, [snip] The conventional explanation is an internal short, however I wonder about that. An internal short can't be any worse than an external short, so has anyone managed to cause a

Re: [Vo]:OT: exploding cordless vacuum cleaner

2009-03-27 Thread mixent
In reply to Stephen A. Lawrence's message of Fri, 27 Mar 2009 22:49:13 -0400: Hi, [snip] mix...@bigpond.com wrote: In reply to Harry Veeder's message of Fri, 27 Mar 2009 11:15:39 -0400: Hi, [snip] The conventional explanation is an internal short, however I wonder about that. An