Lipo Fires Are Real!!!! - Page 7 - RC Groups
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Sep 12, 2007, 10:50 AM
Micro Flyer "Q"
qban_flyer's Avatar
Quote:
Originally Posted by murocflyer
Bert,

You're welcome. How did yours turn out?

Frank
Got the components for mine already, but have not assembled it yet. I will do so within the next couple of days

I have three packs that need to be discarded properly, all three are Thunder Powers mind you.
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Sep 12, 2007, 11:52 AM
Chesapeake Bay RC Club
Gary Hoorn's Avatar
All of my packs have Deans Ultra female plugs. I was lazy and simply soldered a bulb to a male Deans connector. Works fine. I do not cut, chop, pierce or otherwise multilate a discharged lipo however. Cut and tape the wires of a fully discharged pack and dispose of in the trash is what I was told.
Gary
Last edited by Gary Hoorn; Sep 12, 2007 at 12:07 PM.
Sep 13, 2007, 09:15 PM
Registered User
Quote:
Originally Posted by SntaCruz83
Have there been any cases of spontaneous explosions? I just got my first two lipo's in the mail today and I haven't had a chance to get something to contain them in to store outside, so I have them in my garage sitting in a pot with a larger pot on top of it. Heck, I don't even have my charger yet. I'm too scared to have the batteries in my house and I'm trying to convince myself i'm just being paranoid.
SntaCruz83;

You're not alone my friend.. I just built my second plane - a Pico Tiger Moth and was all ready to get a lipo when I read this thread. Man, it feels like inviting Charles Manson into your basement (ok a bit .. or more than a bit of drama). It amazes me that they can even ship these things through the mail. It seems like good ol American ingenuity would have figured something out by now in regards to making them less volatile.

Anyway, now I'm second guessing the Lipo because I know I'll be crashing..

Joe
Sep 13, 2007, 11:31 PM
No Guts, No Glory
flyin C's Avatar
Joe,

Don't worry, the TM will not catch your lipo on fire when you crash. It is too slow and light to really hurt the battery. That is a very popular plane, i have seen it fly many times, and also crash. Trust me, the TM will not crash so bad that your plane will be in pieces.

Just get a good lipo balancing charger, I got into lipos just a few months ago, so far no problems. Plus, I have heard of people getting 30+ min flights using lipos.
Sep 15, 2007, 09:57 PM
Registered User
Thanks for the vote of confidence flyin_C!

Joe
Sep 15, 2007, 10:21 PM
Micro Flyer "Q"
qban_flyer's Avatar
My Pico T/M has well over 500 flights under its wings, and I have yet to crash it. It is on its fourth factory motor.

400 plus of those flights have been using Li-Pos, 28 plus minute flights with 640 mil two cell Li-Po packs are the norm. I have seen T/Ms snap their wings in flight after a series of wild loops. Wings get glued back together and the T/M is airborne in no time flat.

The reason for wings snapping is due to the rather powerful brushless motors some owners put up front. Them motors and the T/M wings don't get along too well under such stressful flight conditions (for the wings, that is).
Oct 04, 2007, 11:51 AM
From Earth to the Moon!
albireo's Avatar
I don't remember where, but there is a thread here that lists the causes of various fires (if known) and the conditions of the accident(S). I asked the same question last year and got a quite a few responses; to make a long story short there were no acutal verified inicidents, BUT there were a number that were mysterious that seemed to have no other explanation...
So - when I asked the same question the answer was "it's possible."
Still makes me nervous. I use a battery bunker, watch them charge for a few minutes after starting, and am careful to make sure all wires are insulated... Still, when I have them sitting and waiting for next week's flying I worry. I usually keep them in the battery bunker between flight days. Another tip was to not store them in a fully charged state, always keep them below 70% when storing.
Joe

Quote:
Originally Posted by SntaCruz83
Have there been any cases of spontaneous explosions? I just got my first two lipo's in the mail today and I haven't had a chance to get something to contain them in to store outside, so I have them in my garage sitting in a pot with a larger pot on top of it. Heck, I don't even have my charger yet. I'm too scared to have the batteries in my house and I'm trying to convince myself i'm just being paranoid.
Oct 13, 2007, 03:41 PM
Registered User
My battery just got hot an lumpy, should I throw it away?
Oct 13, 2007, 05:21 PM
War Eagle!
Spackles94's Avatar
Quote:
Originally Posted by oscaryu1
My battery just got hot an lumpy, should I throw it away?
Better be safe that sorry. How puffed up is it? I'm in the camp of "I'd rather lose $30 than my house," so I'd toss it.

If you do decide to dispose of it, make sure it's fully discharged. Or you could just take it to a RadioShack.
Last edited by Spackles94; Oct 13, 2007 at 06:00 PM.
Oct 13, 2007, 05:51 PM
Micro Flyer "Q"
qban_flyer's Avatar
I agree. Discharge it and toss it. Once it balloons it is a goner anyway, in your case it also got hot. Not good.
Oct 29, 2007, 11:01 PM
Registered User
be careful next time.
Nov 01, 2007, 10:30 AM
Registered User
mattk17's Avatar
I've been one of the resisters of lipo although I did have a couple ofthe original etec packs. Both of them are long puffed and gone but I am now converting over to lipo. I am one of those naturally cautious people and would always prefer to manually set the charge rather than trust some device to get it right. Even with doing it myself, I still charge my lipos in a heavy ceramic crock with a lid and carry them in a sturdy metal container.

Mistakes with nimh can ruin a pack but mistakes with lipo can ruin a plane, car or house!
Nov 13, 2007, 01:27 PM
Real Time Recon
realtimerecon's Avatar
Anyone w/ advice on transporting lipos ? Were moving and the plan is for then to go into tractor trailer .thanks RTR
Nov 13, 2007, 02:20 PM
War Eagle!
Spackles94's Avatar
Quote:
Originally Posted by realtimerecon
Anyone w/ advice on transporting lipos ? Were moving and the plan is for then to go into tractor trailer .thanks RTR

Here are some options.

1. Carry them with you. Better safe than sorry.

2. Put them into a firesafe. Sentry makes some, and they're for sale at Wal-Mart for about $20. That's where I store mine *and also inside of a LipoSack.
Nov 13, 2007, 02:25 PM
Real Time Recon
realtimerecon's Avatar
THANKS spack


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