[NSRCA-discussion] Lipo fire

Mon Jun 13 08:37:01 AKDT 2016

Thanks for the reminder, Robert!  Glad to hear all is well...Bill

      From: Robert Green via NSRCA-discussion <nsrca-discussion at lists.nsrca.org>
 To: 'General pattern discussion' <nsrca-discussion at lists.nsrca.org> 
 Sent: Monday, June 13, 2016 11:15 AM
 Subject: [NSRCA-discussion] Lipo fire

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{margin:0in;margin-bottom:.0001pt;font-size:12.0pt;}#yiv1449918466 p.yiv1449918466IntenseQuote, #yiv1449918466 li.yiv1449918466IntenseQuote, #yiv1449918466 div.yiv1449918466IntenseQuote {margin:0in;margin-bottom:.0001pt;font-size:12.0pt;}#yiv1449918466 span.yiv1449918466EmailStyle49 {color:#1F497D;}#yiv1449918466 span.yiv1449918466EmailStyle50 {font-family:Arial;color:navy;} _filtered #yiv1449918466 {margin:1.0in 1.0in 1.0in 1.0in;}#yiv1449918466 div.yiv1449918466Section1 {}#yiv1449918466    Hey guys wanted to let you know about anincident I had over the weekend that caused some high concern.  I flewfour flights yesterday, then returned home.  I thought I would go back outlater and fly three more, so I charged three more batteries.  The threebatteries on was planning on using, were flown the previous day, and were notoverly discharged.  I took my kids to the movies as my wife did not wantto go, and that turned out to be the best thing for the family.  One of my2014 packs decided that it no longer wanted to live and decided to catch fireall by itself.  I have always thought that the best time for these tocatch fire, would be during the charge cycle.  This incident happenedalmost an hour after charging the pack.  Keep in mind that after I chargedthe pack, there were immediately put into my flight box for storage until I gotback from the movies.  After I took them off the charger, the batteriesdid not see warm in any way, cool to the touch.  I have had thesebatteries for two and as far as I can remember - they where not damaged in anyway.  Due to my wifes' heroic action, the house did not catch on fire likemy toolbox did.  She brought them out to the drive way water on them tokill the flames.  I have been pretty cavalier with packs, leaving them outonce they are charged and not putting them in something safe forstorage....those days are done.  If this can happen to a battery sittingwith a stored charge, I will not longer leave my house or familyunprotected.      I bought a safe yesterday, but apparentlythat may not be the best thing for them either as the battery give off a gasand they need to breathe.  In other words if you left them in a safe youmay be creating a bomb scenario.  What I did was - several years ago, Ibought a metal ammo case.  I removed 3/4 of the rubber around the caseallowing for the exchange of air to occur.    If any one has any other creative ideas onhow they store there lipos, please contribute to this thread as I think it isimportant as a community that we spread the message that this technology whichhas been proven to be safe for the most part also can be dangerous.    thanks,       Robert
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