|01-26-2011, 06:08 PM||#11|
RCC Supreme Contributor
I am: Dave Holmes
Join Date: Mar 2004
Location: Prince Edward County, Ontario (no longer Brampton!)
Radio of choice:
Futaba 72 Mhz
# of RCs: 30+
Feedback: 4 / 100%
Total Props: 10
Re: Charging Batteris in Cookie Tins - anyone tried?
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According to some videos that were out a couple of years ago, it doesn't seem to take much to contain things. One video showed a chap deliberately blowing up some LiPOs by overcharging them. He had them in a cinder block, and they produced some pretty impressive fireworks when they went.
However, as an experiment, he placed a sheet of cardboard over the cavity, somewhat excluding inflow of fresh air. When the LiPO blew, it produced a lot of smoke and fumes that vented, but the fireworks were largely absent. For some reason (perhaps it wasn't close enough) the cardboard didn't even catch fire.
The point was being made that as long as the hot gases venting don't impinge directly on a flamable substance, there should be no ignition. I still would not want to be breathing the fumes, never the less!
All that being said, I happened to have an old ammo case lying around and that's what I appropriated for LiPO charging duty, But I wouldn't be surprised if a cookie tin would work, suitably insulated inside. (A coating of flame resistant paint maybe?)
The older I get, the better I used to be!
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