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Other › Newbie with a questions on the CP Pro
01-28-2007 05:41 AM  10 years agoPost 1
winged avenger

rrNovice

elmwood park, nj

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...

Where is the on/off switch on the heli ?

What is a good Lipo charger to buy...not too expensive ?

Regards to all,

Winged Avenger

Beware of Dark Knight for he is lurking in the shadows
2009

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01-28-2007 06:00 AM  10 years agoPost 2
pistol974

rrApprentice

Columbus, Ohio

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plug in = on
unplug = off

I use the charger that came with it.

Pete

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01-28-2007 06:09 AM  10 years agoPost 3
Splatcat

rrApprentice

Shandon, CA USA

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That's it Pistol.

Dear God, please let it set down just as it took off. Amen.

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01-28-2007 05:47 PM  10 years agoPost 4
winged avenger

rrNovice

elmwood park, nj

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okay gents...

Remember I am a newbie so can we be a little more specific ?

Also I got this in a trade so I don't have the charger thta is supposed to come with this heli.

Okay guys let me know

Best Regards,

Winged Avenger

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01-28-2007 06:02 PM  10 years agoPost 5
slider46

rrProfessor

Ocala Florida

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When you plug the battery in the heli is on and unpug the battery the heli is off.... NO SWITCH...... What battery pack do you have nicads or lipo???? Your going to need a charger and balancer for lipos...

Tom..... No "D" flying....

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01-29-2007 12:33 AM  10 years agoPost 6
winged avenger

rrNovice

elmwood park, nj

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slider46,

Yes I have lipo's...so what is a good charger ???

lets try expensive and not so expensive.

Okay guys appreciate your comments

Best Regards,

Winged Avenger

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01-29-2007 01:14 AM  10 years agoPost 7
slider46

rrProfessor

Ocala Florida

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The one that comes with the pro is OK and cheap and there is the astro blinky balancer that is good and cheap too...

Tom..... No "D" flying....

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01-29-2007 01:34 AM  10 years agoPost 8
stickyfox

rrKey Veteran

Rochester, NY - US

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The polycharge 4 is pretty ubiquitous at flying events. I use a celectra and it's worked well for me. There's a new cheap one from dynamite too.

I never balance batteries on the BCP. It's not likely to draw enough current to cause a problem. Balancing them can't hurt though.

-fox

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01-29-2007 01:34 AM  10 years agoPost 9
astroflyer

rrApprentice

Milford, Nova Scotia, Canada

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IMHO the best charger on the market today is the FMA cellpro. it charges and balances each and every charge...charges each cell separately just as cellphone and laptop chargers do. probably the safest lipo charger out there. about 60 bucks.

http://www.fmadirect.com/

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01-29-2007 01:36 AM  10 years agoPost 10
astroflyer

rrApprentice

Milford, Nova Scotia, Canada

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I never balance batteries on the BCP. It's not likely to draw enough current to cause a problem. Balancing them can't hurt though.
every battery pack ever made that has more than one cell when discharged at any rate winds up with unbalanced cells. no matter if it's nicad, nimh, or lipo......

I'd advise balancing!!!

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01-29-2007 02:16 AM  10 years agoPost 11
stickyfox

rrKey Veteran

Rochester, NY - US

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Under very high current draw, like you'd have with a coked-up trex doing radical aerobatics, an out-of-balance pack can reverse-charge the weaker cells and damage them. It's not really an issue if you're talking about a stock CP Pro with brushed motors. Yes, the cells will get out of balance, but if you can live with the knowledge that it's happening, your helicopter won't know the difference.

Besides, if Thunder Power thought it was a big deal they probably wouldn't make batteries without balance plugs. The only battery I own with a balance plug is the one that came with my BCX2.

But like I said, it certainly doesn't hurt to use a balancer.

-fox

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01-29-2007 03:22 AM  10 years agoPost 12
astroflyer

rrApprentice

Milford, Nova Scotia, Canada

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Every manufacturer used to market batteries without balance plugs. How many of them do it now?

and it's not preventing the ruining of a cell that makes balancing important, but rather the chance of overcharging a pack due to a low cell giving a false pack voltage.....

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01-29-2007 04:53 AM  10 years agoPost 13
winged avenger

rrNovice

elmwood park, nj

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Guys,

I really appreciate the advise...can anyone give me links ?

Regards,

winged Avenger

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01-29-2007 01:15 PM  10 years agoPost 14
stickyfox

rrKey Veteran

Rochester, NY - US

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In order for a pack to overcharge as described, the unbalance has to be so radically bad (several tenths of a volt), you probably wouldn't have been able to fly it to begin with. Typically, cell unbalance is a few hundredths of a volt, and it sorts itself out during charge and discharge. It doesn't get worse over time and eventually destroy the battery. Possible exceptions to this would be if you've incorrectly set your charge current to much more than 1C, or if you habitually pull the pack before it's finished charging (and are never charging in CV mode as a result).

RC car racers used to (and still do) balance NiCd packs because it gives them better lap times and more consistent power over the entire discharge. They don't do it for safety reasons or to prolong the life of the pack. And remember, they use packs with six or more cells. With Lipos, the same advantages apply to balancing, but it's not essential for a safe charge.

The little 2- and 3-cell packs flown in micro electrics do not see anywhere near the kind of current draw that car racers need. They also don't get discharged nearly as much. You will probably find that your BCP drops out of the sky long before you reach the 9V limit.

With a bigger heli like a Trex, or packs with 4+ cells, the importance of balancing becomes much more significant, because of the extreme current draw, and because the charger just can't "see" the unbalance through all those cells. In this case, the overcharge scenario is more of a concern.

A balancer is not a terribly expensive piece of gear, so if it makes you feel better to have one on there, you shouldn't let me talk you out of using one. But remember that you can get a separate balancer; you don't have to limit your charger selection to the ones with built-in balancing.

-fox

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01-29-2007 04:09 PM  10 years agoPost 15
chopperdudes

rrApprentice

Toronto, Ontario, Canada

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anyone ever thought of the tp1010 and 210v balancer? you'll never need another charger again.

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01-29-2007 11:55 PM  10 years agoPost 16
winged avenger

rrNovice

elmwood park, nj

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Still need links to purchase...any one ?

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02-08-2007 04:48 PM  10 years agoPost 17
Jimmi

rrKey Veteran

Southern Ca. U.S.A.

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You need someone to fly it too Hit lipochargers and I'm sure you will get many makes and models. I'm using the multiplez LN5014 for 79.95 and find it to be a bargain. http://www.helihobby.com/html/chargers.html http://www.rchobbies.org/lithium_battery-chargers.htm Jimmi

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02-09-2007 01:56 AM  10 years agoPost 18
astroflyer

rrApprentice

Milford, Nova Scotia, Canada

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02-09-2007 02:00 PM  10 years agoPost 19
lanny2003

rrNovice

Lawrenceville Ga USA

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This site has great prices and support.

http://www.commonsenserc.com/index.php

They also have a support forum.

http://www.rcuniverse.com/forum/forumid_404/tt.htm

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