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11-11-2005 02:20 AM  12 years agoPost 1
HELI-E-MAN

rrApprentice

San Diego

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Just got the news that a guy that fly`s at our field burned down his dads house. Bummer! He lost all his Heli`s. FOLKS Don`t Drink and Charge you batteries!!

FLY IT LIKE THE SIMULATOR!

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11-12-2005 01:56 AM  12 years agoPost 2
orlee008

rrVeteran

Miami, FL USA

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i would imagine the helis being the last thing on his mind right now. it sucks to loose the helis and the money invested into them but it sucks even more to loose your home... I wish him the best.

were the helis the reason his house burnt down? you know, charging packs and going to watch tv or something?

orlee

Flying in Miami, FL (Kendall Area)

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11-14-2005 09:43 AM  12 years agoPost 3
Yug

rrMaster

UK. Herts

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Charge batteries in a steel fireproof box.

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12-12-2005 12:39 AM  12 years agoPost 4
slybynight

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London

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Ok - I knew not to overcharge/discharge - but I've just soiled my trousers listening to you guys. - My lipos are now in a saucepan in the middle of slate floor - seriously. No really - i dont know what im going to tell the wife.

No Woman....No Fly

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12-12-2005 12:46 AM  12 years agoPost 5
Yug

rrMaster

UK. Herts

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slybynight LOL, I remember those exact feelings, I am paranoid about fire. The chances of batteries going off in storage is tiny. It is mainly when charging that precautions and vigilance are required.
Just get yourself a steel box and stuff it somewhere where it can breathe in the advent of fire, but not transmit too much heat to what it is secured to.

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12-13-2005 04:53 PM  12 years agoPost 6
Hoverdown3K

rrKey Veteran

Rochester, New York

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Wow, that must be because he selected the wrong battery type on his charger. D'oh

-= I know there is Money in RC helicopters. I put it there=-

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01-08-2006 12:47 AM  12 years agoPost 7
SUB RAPTOR

rrApprentice

Galway Ireland

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does anyone have a link to that clip of a lipo (one cell to save money) being overcharged to show what happens. i saw it somewere before but can't recall where

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01-08-2006 12:56 AM  12 years agoPost 8
rwm01

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Winnsboro, TX

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This one?


Bob

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01-11-2006 02:15 PM  12 years agoPost 9
gamedog53

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New York

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Another Fire

That video clip was quite impressive! Thanks for posting it.

My wife needs a better job to support my RC hobby

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01-11-2006 03:44 PM  12 years agoPost 10
Hoverdown3K

rrKey Veteran

Rochester, New York

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Yeah there was a guy on RCGroups, who just buned down his garage, no one was hurt so that is a good thing.

Lipos are not for everyone, but with a simple $9 temp probe most of your fears are unwarranted.


too bad for his loss.

-= I know there is Money in RC helicopters. I put it there=-

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01-11-2006 05:11 PM  12 years agoPost 11
HELI-E-MAN

rrApprentice

San Diego

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Fire pic!

http://www.rcgroups.com/forums/atta...chmentid=696207

FLY IT LIKE THE SIMULATOR!

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01-13-2006 04:07 PM  12 years agoPost 12
Hoverdown3K

rrKey Veteran

Rochester, New York

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Man.... this seems so far fetched, if lipos are as bad as everyone thinks how have cell phones and laptops been around so long with out problems.

The reason is the charger, They all come with a charger that ONLY does ONE thing, and that is all.

With RC chargers you get to select what to charge... and that is when mistakes happen.

when you have to make a choice, chances are you could select the wrong type of charge for the battery you are chargeing this is what causes fires. NOT LIPOS

Can you imagine with all the laptops and cell phones we have around us, if lipos where this unstable they would be blowing up all around us.

Bottom line is it is ALWAYS HUMAN ERROR.

-= I know there is Money in RC helicopters. I put it there=-

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01-13-2006 06:07 PM  12 years agoPost 13
Stet

rrElite Veteran

Key Largo FL

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Cellphones and laptops contain lithium ion, not lithium polymer batteries. Still hazardous, but not up to danger par with lipo. Also they have integral chargers which we cannot goof up.

Battery charging should always be supervised. It should always be done in a ceramic pot or ammo can or whatever. If you are not going to supervise the charging, it has to be done outside, or on a slab somewhere where it cannot ignite nearby items. Even if you have the fire contained, trust me the smoke is F'ng NASTY, not to mention poisonous.

Yes most fires are caused by charging errors, but not all. For instance punctures can cause a fire. So for example, an earthquake happens (I live in CA) and the heli falls off the shelf and manages to land just right and punch a tiny hole in the battery cover. Also, an unbalanced pack can result in one cell being overcharges, and voila you can have a problem.

So all of this reminds me to quit being lazy, go down to the garage and get an ammo can for storing my batteries. I am already disciplined in charging them, but I need to get on the ball regarding storing them.

keepin' it real

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01-13-2006 07:15 PM  12 years agoPost 14
Yug

rrMaster

UK. Herts

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01-14-2006 01:40 AM  12 years agoPost 15
soupisgoodfood

rrApprentice

New Zealand

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Stet: Many newer cellphones and PDAs have LiPos. The iPod has had a LiPo for a while now. Apple's new laptop has a LiPo, and when I say new, I mean like announced just last week. But all there older models are still Li-Ion. There may be a small number of other laptops with LiPos, too.

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01-22-2006 01:01 PM  11 years agoPost 16
drksky

rrApprentice

Bloomington, Illinois

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From the Wiki LiPo article:

"In March 2005 Toshiba announced a new design offering a much faster (about 1-3 minutes) rate of charge."

Do they mean 1-3 minutes faster or 1-3 minutes TOTAL? The article specifically mentioned that it could have a large impact on the model airplane hobby.

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01-22-2006 01:23 PM  11 years agoPost 17
rob10000

rrKey Veteran

Western Massachusettes

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yes, it is supposed to recharge somewhere like 90-95% of it's capacity in less than five minutes.

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01-22-2006 02:08 PM  11 years agoPost 18
drksky

rrApprentice

Bloomington, Illinois

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Nice. It'll be interesting to see the costs when they come to market. No more multiple packs for 1 model...

Of course, I'm sure any chargers that we already own will be completely worthless for them.

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01-22-2006 08:57 PM  11 years agoPost 19
Yug

rrMaster

UK. Herts

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I'd heard about these last year and I can't see any point in getting into serious electrics until this sort of battery is available.
Currently, the cost, ouch

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01-28-2006 05:26 AM  11 years agoPost 20
HELI-E-MAN

rrApprentice

San Diego

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And another!

http://www.rcgroups.com/forums/show...133#post4863133

FLY IT LIKE THE SIMULATOR!

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