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HomeAircraftHelicopterBeginners Corner › Battery Question
03-15-2010 02:39 AM  8 years agoPost 1
GaReb

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Chatsworth, Ga - USA

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I have a Blade400 and a T-Rex 450...I run 2100 and 2200 mAh batteries on my helis...would a 2650mAh be to strong for it? It has the same 20c burst and 3 cells as the other and of course its the 11.1v

I'm just getting into electric helis..so excuse the ignorance

Thanks in advance,
Jay

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03-15-2010 02:45 AM  8 years agoPost 2
marc8090

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Long Island, N.Y.

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The 2650 is the capacity meaning it will give you a longer flight. It won't be any more powerful, actually the opposite because of the extra weight. If it fits you can use it with no problem.

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03-15-2010 02:48 AM  8 years agoPost 3
bulldogs

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~OC~ ,CA USA

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It would work (if it could fit under the canopy) but performance will suffer do to the weight. You will only gain run time.

~TEAM OCHC~
A strong man stands up for himself a STRONGER man will stand up for others.

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03-15-2010 03:06 AM  8 years agoPost 4
GaReb

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Chatsworth, Ga - USA

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Thats what I was thinking...thanks for the heads up guys. At this point I am just hovering around, forward flight side to side ...normal stuff..not into 3d at all...I had an idiot at a wide chain hobby store sell me an 84 dollar battery..its was like a 4750 or some such monstrosity with a 45c burst on it and told me it would fit in my 450...needless to say I got my money back...hate it when people take advantage of new people. I used to fly nitro 30s and 60s back in the day...changing over to electric is not entirely a whole new animal, but I have to learn what motor will go with which speed control etc. While Im on that subject...Im going to put a Hughes Defender on my T-Rex and thinking about going with this scorpion motor http://www.amainhobbies.com/product...n=Product-Feeds will it work with my stock T-Rex 450 speed controller?

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03-15-2010 04:24 PM  8 years agoPost 5
Solmanbandit

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Tucson , AZ

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I know what you mean, I have a LHS that likes to change his story all the time just to make a buck. I have caught him back tracking his lies a few times.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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03-16-2010 04:22 AM  8 years agoPost 6
helibeast

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Mn

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Watch out for some hobby store employees. I dealt with a few that just couldn't admit that they don't know a answer and the advice they are giving is really a guess.

Champion,Magic,MiniBoy,Xcell60+50,Intrepid,Intrepid Gas,Baron30,Whisper,300X,mCPXv1v2,Concept,Nexus

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03-16-2010 09:04 AM  8 years agoPost 7
tommy146958

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Somers Point, NJ - USA

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One more thing GaReb if you want to get brand new batteries you can go to hobbyking.com ( same thing as hobbycity.com ). They crazy cheap, you can probably get a 2200 mah 6cell 11.1v for $16 USD. If you batt try them.

That's Life ! ! !

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03-17-2010 06:43 AM  8 years agoPost 8
GaReb

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Chatsworth, Ga - USA

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Tommy...Thanks for the link bro I appreciate it..I have this site I've been watching hobbypartz that sells them for 13 bucks a pop...but I have a stupid question...can I use a 6 cell with my blade400 and TRex 450? Like I said Im just starting with electric helis and I dont know what will work with what.

Anyone have any comments on the scorpion motor question I posted above?

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03-17-2010 09:37 AM  8 years agoPost 9
tommy146958

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Somers Point, NJ - USA

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No boy a 6 cell will be too much power and too heavy. You would not be able to even stick it in the heli with the canopy on it. 6 cells are mostly for 600 sizes heli( 6cells runs on 22.2v ). For a 450 sizes 3cells, 11.1v, 2200mah, and 25C are great. For just sport flying and/or hover 20C is good. I do not recommend 20C for 3D's.

That's Life ! ! !

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03-17-2010 02:33 PM  8 years agoPost 10
GaReb

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Chatsworth, Ga - USA

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Well you kinda confused me when you said I could get a 6 cell...I was thinking there is no way this thing would fit...anyway..I chekced last night and they were all out...today I ordered 4 of these

Turnigy 2200mAh 3S 20C Lipo Pack
http://www.hobbyking.com/hobbyking/...?idProduct=8932

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03-17-2010 03:50 PM  8 years agoPost 11
Solmanbandit

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Tucson , AZ

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That is what I've been running. They work well and haven't had any issues yet.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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03-17-2010 04:12 PM  8 years agoPost 12
rotormonkey

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Ottawa, ON - Canada

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This isn't really entirely relevant to the question, but just an FYI:

First, a 20c 2650mah battery CAN deliver more power than a 20c 2200 battery. The "C" rating is a measure of how many times over the battery can discharge it's CAPACITY per hour. Therefore the 2650 will deliver more amperage than the 2200 just because it has more capacity. It is still too heavy for a 400/450 heli though

Next up, 6 cell packs are NOT just for larger helis. A 6 cell pack can be used in a 450, but only with the right motor and gearing. The advantage of more cells is that the voltage is higher, so less amps would be used. That'll make things more efficient, keep the battery cooler, and it will last longer. There are 450 helis out there that are DESIGNED for use with 6 cell lipos. However, the B400/Trex450 ain't one of them. You can't use a 6cell pack with the stock motor/gearing on either of those helis.

The confusion I think came in when tommy said:
you can probably get a 2200 mah 6cell 11.1v
GaReb, a 6 cell would be 22.2v, not 11.1v, so I think it was just a typo

If it can't hover, it ain't worth flying.

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03-17-2010 04:56 PM  8 years agoPost 13
wc_wickedclown (RIP)

rrProfessor

long beach calif

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i run a 2800 mah 35c burst and i have a 3000 mah battery in my trainer heli and i run a 2250 in my trophy bird.

and they work fine for curcuits and flips and i get 12 minutes of flight time .

but my mentors taught me to only use 5 minutes of my flight time
that helps the little cheesie battery not to puff.

i have not tried the 3000 mah battery yet but when i buy my batterys
i go by weight and size and ive been pretty lucky i just bought this
new battery and its ready for testing.

Watch at YouTube

Watch at YouTube

i had to use carbon blades because with the fiber glass blades
they looked like the heli was to heavy the blades kinda of had a cone
look.

i love the 2800 mah battery in my trainer bird.
and the trainer bird is useing 335mm blades the 325mm blades work fine as well.

Insha Allah made in america

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03-17-2010 05:50 PM  8 years agoPost 14
GaReb

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Chatsworth, Ga - USA

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Solmanbandit- How much flight time are you getting of those that I ordered?

Rotormonkey- Thanks for the explination..it makes sense now..I just appreciate everyone taking time to explain things they have probably told 100 times over. The info from all is much appreciated.

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03-18-2010 12:29 AM  8 years agoPost 15
trexmaniac

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Curtis MI USA

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GaReb that motor you were asking about is VERY VERY good in a 450 heli you should run at least a 40 amp ESC with it.

i have a question why would someone post a video of a battery? seems someone has too much time to waste

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03-18-2010 04:45 AM  8 years agoPost 16
GaReb

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Chatsworth, Ga - USA

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Just found out my Align RCE-BL35G ESC is fried...

Does anyone have a spare 35 or 40 amp esc they would like to get rid of?

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03-20-2010 03:04 PM  8 years agoPost 17
trexmaniac

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Curtis MI USA

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GaReb,,,,check the classifieds

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03-20-2010 03:53 PM  8 years agoPost 18
wc_wickedclown (RIP)

rrProfessor

long beach calif

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i have a 35 amp esc to get rid of , i just upgraded my second heli with a scorpion clone motor and esc so i will be listing it in the classifieds soon for cheap.

good luck

Insha Allah made in america

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03-20-2010 04:10 PM  8 years agoPost 19
Solmanbandit

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Tucson , AZ

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I typically fly for 5:30 to 6 minutes. I may get longer, but I had a power loss once because I forgot to set the timer. I side on the caution of error. Checking my batteries after flight, I probably could get another couple of minutes if I wanted too. That is as long as the weather is warm. The last time I flew in the low 60's, after my 5:30 flight, I was about done and didn't have much juice left at all.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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