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HelicopterScale Model RC Helicopters › Scale: Charging Batteries,Remove?
03-19-2009 12:02 AM  8 years agoPost 21
fredd

rrApprentice

UK - London

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I recharge my LIPOs in a fireproof box from Graupner.
Some practical options are available for scale builders :
- Li-Mg batteries from duralite. They won't explode or burn and have built-in balancing.
- Powerbox batteries. Really very good, just plug the special charger on mains, they have built-in electronics. Quite pricey but have used these for years :
http://www.modellbau-deutsch.com/e/...ttery/start.php

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03-19-2009 12:12 AM  8 years agoPost 22
SimonV6

rrNovice

England

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do you charge your mobile phone in a box too then, it has a lipo onboard lol.....

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03-19-2009 12:34 AM  8 years agoPost 23
Hoverup

rrElite Veteran

Golden Gulf Coast -​USA

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Most mobile phones use lipo's, how many here take them out before charging, or charge them in a bag, or store their phones in a fireproof safe.....

Simon

do you charge your mobile phone in a box too then, it has a lipo onboard lol.....

Cheers - Boyd
AMA 80393
IRCHA 3355
LSF 853
Major USAF
Retired

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03-19-2009 12:41 AM  8 years agoPost 24
fredd

rrApprentice

UK - London

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Up to you really. Just do a search for the numerous fires people have experienced even when using proper chargers and balancers.
You do realise that there are differences around charging, electronics involved and amps /voltage compared to telephone batteries. But it's your home not mine.

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03-19-2009 01:15 AM  8 years agoPost 25
seattle_helo

rrKey Veteran

Seattle, WA USA

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I have 15,000mAh of LiPo in my large 500. I take them out every time I charge. Even small packs from the 450 TRex sized machines come out of the fuse when charged. It's just good practice- even when it's a pain in the a$s. I love my LiPo's and have never had a problem with any of mine but we do use them in a very demanding environment and they are subject to current draw and loads (both electrical and physical) that LiPo's in things like phones or laptops never experience. I'd remove them from any aircraft before charging, scale or not.

nick

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03-19-2009 10:49 PM  8 years agoPost 26
deanguy

rrVeteran

TX

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Bad Lipo Fire

Get aload of this thread.. This poor dude never even test flew this jet and it wasn't even electric (lipo was for the turbine ECU) and it melted the turbine, the retracts, he even lost his 14MZ cause it was sitting on the wing! And he went in the house for a couple of minutes!

http://www.rcuniverse.com/forum/m_8591857/tm.htm

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03-20-2009 09:26 PM  8 years agoPost 27
human213

rrVeteran

malibu

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Anvil breakers

There are always clowns that do not pay attention to Ohm's law....

m

Not everything that can be counted counts, and not everything that counts can be counted.

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03-20-2009 10:10 PM  8 years agoPost 28
doorman

rrProfessor

Sherwood, Arkansas

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I Pull Mine Out.......

axemanclint

I see where you are going to extend the leads on your ESC.... Don't do that.... extend the leads from you battery,.... ask me how I found this one out..... Also, I use a high voltage arming plug from HiMax products and it lets me get everything set and then arm the ESC... might be a thought for you....

I am full agreement with the "REMOVAL GROUP"....
I have blown one battery up and it was not in the unit at the time and it was caused by a charger misreading the battery....(from what I was told!!!)
Even though I only have high end equipment and balancers for everything, I just have TOOOOOOO much time invested in these scale heli's to leave them in while charging and taking the chance of burning one down... just one more way to loose a large investment of time and money.....

Hey, Go Have Fun......Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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03-20-2009 11:36 PM  8 years agoPost 29
Rodan

rrVeteran

Prescott Valley, AZ

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I think the new generation of lipos and more importantly, balancing chargers significantly reduces the risk of lipo fires while recharging, but I still remove them from the aircraft to charge.

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03-21-2009 12:46 AM  8 years agoPost 30
axemanclint

rrKey Veteran

Cypress, Tx. USA

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Thanks doorman.
I'll keep that in mind. I'm actually not going to extend the leads so much as just add a long plug Into the circuit I'll add a peice of wire with a female end and a male end, then just plug both the battery and ESC into, therefore making the distance longer.

Thanks again for your flybar limiter idea. I'll start on it the first of next week. Everyone, doorman is a truly stand up guy!
Cheers,
Clint

"what goes up must come down," hopefully in one piece!

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HelicopterScale Model RC Helicopters › Scale: Charging Batteries,Remove?
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