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Electric dangers
On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski
wrote: https://www.9news.com.au/2019/01/14/...tarts-bushfire Electric bicycle fires are rare, but do happen: https://www.google.com/search?tbm=isch&q=ebike+fire https://www.youtube.com/watch?v=71s8RsyZykE -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
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On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski
wrote: https://www.9news.com.au/2019/01/14/...tarts-bushfire I liked the part where it was said that "The motor's lithium batteries and CO2 cartridges from its repair kit had ignited". I suspect that the reporter might have a bit at odds with the facts at that point. Cheers, John B. |
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On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski wrote:
https://www.9news.com.au/2019/01/14/...an-s-electric- bike-explodes-almost-starts-bushfire It would be helpful for more details about the e-bike. Was it a self adapted from cheap chinese sources and thuse cheap poor power regulation. Aaah, this talking head says after market conversion; https://www.youtube.com/watch?v=OIAi2BbKHtA I think the conditions were ideal for stressding the electrics and battery; slow speed up a hill and the region is experiencing 40C/100F+ temperatures, but at 8;30am it wouldn't be that. As to the pants catching fire, this posts says "spandex"; nuff said. https://www.forbes.com/sites/carlton...ric-road-bike- explodes-on-adelaide-hill-climb-causing-bushfire/ I'll just stick to cotton shorts that I've always used. |
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On 1/14/2019 3:22 PM, John B. Slocomb wrote:
On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski wrote: https://www.9news.com.au/2019/01/14/...tarts-bushfire I liked the part where it was said that "The motor's lithium batteries and CO2 cartridges from its repair kit had ignited". I suspect that the reporter might have a bit at odds with the facts at that point. I noticed that too; I think the intent was "batteries ignited and CO2 cartridges /exploded/," which fits the later text and makes sense in context. Then an editor caught hold of it. Mark J. |
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On Tue, 15 Jan 2019 17:14:43 -0800, "Mark J."
wrote: On 1/14/2019 3:22 PM, John B. Slocomb wrote: On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski wrote: https://www.9news.com.au/2019/01/14/...tarts-bushfire I liked the part where it was said that "The motor's lithium batteries and CO2 cartridges from its repair kit had ignited". I suspect that the reporter might have a bit at odds with the facts at that point. I noticed that too; I think the intent was "batteries ignited and CO2 cartridges /exploded/," which fits the later text and makes sense in context. Then an editor caught hold of it. Mark J. I read the Bangkok Post's "most recent" posts which look to be the raw text as submitted by a reporter and from time to time there are some rather glaring errors. But realistically, one can't expect all reporters to know all about everything. Some years ago I wrote a weekly column for the Bangkok Post and sometimes the size of the article had to be adjusted to fit the page, which the sub-editor for that section took care of, which occasionally resulted in some rather humorous wording toward the end of the article :-) Cheers, John B. |
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On Tue, 15 Jan 2019 17:14:43 -0800, Mark J. wrote:
On 1/14/2019 3:22 PM, John B. Slocomb wrote: On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski wrote: https://www.9news.com.au/2019/01/14/...de-news-man-s- electric-bike-explodes-almost-starts-bushfire I liked the part where it was said that "The motor's lithium batteries and CO2 cartridges from its repair kit had ignited". I suspect that the reporter might have a bit at odds with the facts at that point. I noticed that too; I think the intent was "batteries ignited and CO2 cartridges /exploded/," which fits the later text and makes sense in context. Then an editor caught hold of it. Mark J. ALL gas sylinders explode over here, even though they are engineered to vent the contents at too high a pressure. IME, CO2 cartridges don't have that enginering, so theryprobably did explode. Situated above the flamming battery probably wasn't a good position in this case. |
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Electric dangers
news18 wrote:
:On Tue, 15 Jan 2019 17:14:43 -0800, Mark J. wrote: : On 1/14/2019 3:22 PM, John B. Slocomb wrote: : On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski : wrote: : : https://www.9news.com.au/2019/01/14/...de-news-man-s- :electric-bike-explodes-almost-starts-bushfire : : I liked the part where it was said that "The motor's lithium batteries : and CO2 cartridges from its repair kit had ignited". : : I suspect that the reporter might have a bit at odds with the facts at : that point. : : I noticed that too; I think the intent was "batteries ignited and CO2 : cartridges /exploded/," which fits the later text and makes sense in : context. Then an editor caught hold of it. : : Mark J. :ALL gas sylinders explode over here, even though they are engineered to :vent the contents at too high a pressure. IME, CO2 cartridges don't have :that enginering, so theryprobably did explode. Situated above the :flamming battery probably wasn't a good position in this case. I've seen morons throw 16 g CO2 cartridges into a fire. They burst, at the end where they're punctured by the inflator. I assume that's intentional. They do fly a long way though.... -- sig 28 |
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Electric dangers
On Wed, 16 Jan 2019 03:10:29 +0000, David Scheidt wrote:
news18 wrote: :On Tue, 15 Jan 2019 17:14:43 -0800, Mark J. wrote: : On 1/14/2019 3:22 PM, John B. Slocomb wrote: : On Mon, 14 Jan 2019 13:36:48 -0500, Frank Krygowski : wrote: : : https://www.9news.com.au/2019/01/14/...de-news-man-s- :electric-bike-explodes-almost-starts-bushfire : : I liked the part where it was said that "The motor's lithium batteries : and CO2 cartridges from its repair kit had ignited". : : I suspect that the reporter might have a bit at odds with the facts at : that point. : : I noticed that too; I think the intent was "batteries ignited and CO2 : cartridges /exploded/," which fits the later text and makes sense in : context. Then an editor caught hold of it. : : Mark J. :ALL gas sylinders explode over here, even though they are engineered to :vent the contents at too high a pressure. IME, CO2 cartridges don't have :that enginering, so theryprobably did explode. Situated above the :flamming battery probably wasn't a good position in this case. I've seen morons throw 16 g CO2 cartridges into a fire. They burst, at the end where they're punctured by the inflator. I assume that's intentional. They do fly a long way though.... The unpredictability of the direction of travel and that much hot metal is a mighty reason not to do that. OTOH... The closest to that is when I was a young teenager on a camp, a safety demonstration was why you didn't place an unpunctured tin in the fire. We used a tin of peas and were all sitting well back from the fire, then.... One of our well meaning leaders decided then was the time to wander over and rabbit on about something and we waited for him to clam up and wander off. Sigh, the fact that all of us were sitting well back from the campfire on a cold night should have twigged the brain cells, then KABOOM. His involuntary start propelled him back about 3' without any obvious effort. It was impossible to contain our mirth and he eventually say the funny side from the "green pants" he was now wearing. It has split neatly along the side seam and sprayed his gmboots and legs. Once I took up bicycle touring the only things that I caused to explode was popcorn kernels that I used over the camp fire to make popcorn on camping trips. That and communal stews were the only reasons for carrying a 4 litre billy. |
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On Monday, January 14, 2019 at 10:36:52 AM UTC-8, Frank Krygowski wrote:
https://www.9news.com.au/2019/01/14/...tarts-bushfire -- - Frank Krygowski This is a problem with cheap Chinese lithium ion batteries. Not only are they a hazard if not charged properly they are a hazard when you are trying to get maximum discharge rate. And once they are heat damaged the "maximum discharge rate" gets lower and lower. |
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