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HelicopterThunder TigerRAPTOR 50 › RX Batteries
08-08-2007 10:43 PM  10 years agoPost 1
drmrjon

rrApprentice

usa

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I am running a Nimh 2000 Mah in my raptor 50 and a 1000 Mah nicad in my 2 raptor 30s, both are 4.8. They both work fine but I want more flights in a day than they can give. I want to upgrade the rx batt but I don't want to run lipos and a reg at all. Can I run a 4000 Mah Nimh in sub C in all 3 without problems, or even a 3200 at 6v, or should I just stick to 4.8???? Remember I DON'T want to run lipos! I want to keep it SIMPLE.
Thanks

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08-08-2007 10:47 PM  10 years agoPost 2
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
i thought i was the only one who didn't run lipos!!!! Seems everyone around here is against the NIMH these days...

i highly recommned this place:

http://www.hangtimes.com

they have very affordable packs and they are meant for high discharge applications....so they can handle the load

i got the 4500mah NIMH Sub-c pack...their biggest....i know it's probalby over kill but it seems to balance out fine in my raptor 30v2 with an OS37 so i am using that...

i can easily get 8-10 flighs on it...works great...

and these packs can be charged at very high rates because (3.3amps) because they are high dischrage and charge rate capactiy batteries..

here's a list of the packs to choose from:
http://www.hangtimes.com/giantrxpacks.html

happy flying

let me know if you have anymore questions...

Thanks
~Will-i-am~

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08-08-2007 11:01 PM  10 years agoPost 3
legoman67

rrElite Veteran

Nanoose Bay B.C,​Canada

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get lithium ion!

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08-08-2007 11:13 PM  10 years agoPost 4
drmrjon

rrApprentice

usa

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NOT GONNA HAPPEN!
LEGOMAN

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08-08-2007 11:25 PM  10 years agoPost 5
jsenicka

rrProfessor

Eagle River, WI

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I run 4200 Sub C in all 5 ships. can get 8-10 flights per charge.
The Sub C are a might bit heavy, so I am going to the super low impedance FAUP 1950 packs from Hangtimes on the 2 50's.

Jim Senicka
Team Manager, GrandRC Flight Team

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08-08-2007 11:28 PM  10 years agoPost 6
AndrewSi

rrNovice

Redmond, WA USA

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As long as your C/G doesn't get out of whack by hanging more weight on the nose, there's no reason why you can't go with any particular capacity of battery that fits under the canopy. Before you go to 6V, though, check with your servo mfr: Many of the popular Futaba digitals (e.g. 9252's, 9254's) are explicitly prohibited from running at 6v.

Another possibility: bring a field charger that'll run off a 12v battery and recharge one of your RX batteries while you're flying off the other. I have one of the Hobbico Accu-Cycle Elites which can be programmed to fast-charge pretty much any Nicd or Nimh out there, although it defaults to a pretty conservative charge rate.

______________
Andy

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08-09-2007 12:36 AM  10 years agoPost 7
baby_zyklon

rrElite Veteran

Singapore

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The largest battery you want for a r30/r50 is a sub-c pack. Even then, with a sub-c pack up front and carbon fins, you will still face nose heavy issue. With the stock plastic fins, it seems just slightly(very slight) nose heavy with no fuel.

Grab a field charger and top up every flight, shouldn't take you more than 10mins each time.

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08-09-2007 12:39 AM  10 years agoPost 8
ChopperEddie

rrVeteran

Pennsylvania, USA!

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How about one of these? 4.8v and 4500mah.

http://www.jrradios.com/Products/De...ProdID=JRPB5004

-- Runway? We don't need no stinking runway! --

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08-09-2007 12:41 AM  10 years agoPost 9
rgl726

rrApprentice

cebu city,​philippines

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me i use 2400 sub c nicad. 6-8 flights.

stay w/ nicad or nimh less complicated less failure.

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08-09-2007 04:12 PM  10 years agoPost 10
ZAC ATTACK

rrKey Veteran

Hamilton Ontario,​CANADA

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No way too trust NIMH anymore,been bitten with a battery failure and purchased DURALITE!Use whatever you want,DURALITE is a sweet set-up,no memory,no cycling,no doubt DURALITE is the way im going.You can buy my NIMH, just PMME!!

MAAC#77677 Medicated daily for your protection

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08-09-2007 04:19 PM  10 years agoPost 11
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
no memory,no cycling,no doubt
yea.....the new NIMH these days have those benefits too. Cycle once when you get the pack and no need to again.

oh yea...it costs about 1/4 also

Thanks
~Will-i-am~

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08-09-2007 06:44 PM  10 years agoPost 12
racingstripe

rrVeteran

Sacramento, CA

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The Sub C are a might bit heavy, so I am going to the super low impedance FAUP 1950 packs from Hangtimes
I run the 1950FAUP (from Hangtimes) in just about everything...
Sceadu50
Sceadu30 (which BTW... can get 6~7 flights using analog servos)
Stratus
Freya X-Spec

And yes, that pack handles an all digital servo load just fine. The Sanyo 1950FAUP is one very few Ni-MH cells smaller than a sub-C that has an internal impedance low enough to handle digital servo loads.

andy-

Proofread carefully to see if you any words out.

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08-09-2007 06:52 PM  10 years agoPost 13
Raffy

rrElite Veteran

Chicago, Illinois

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NOT GONNA HAPPEN!
LEGOMAN
LE-T-GO MAN - the price of the lipos and chargers may be holding you back, but with the digital technology it is the way to go for safety and longer flights.

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08-09-2007 08:48 PM  10 years agoPost 14
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
do some reading and research...i'm not sure that statement is entirely acurate..
the price of the lipos and chargers may be holding you back, but with the digital technology it is the way to go for safety and longer flights.
http://www.hangtimes.com/weightcompare.html

check out this post...i crunched some numbers:

http://www.runryder.com/helicopter/t363046p1

to me it's not worth the cost...to the world class competing pilot it might be

Thanks
~Will-i-am~

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08-09-2007 09:26 PM  10 years agoPost 15
Raffy

rrElite Veteran

Chicago, Illinois

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HEY!
Long done reading, research, and tests on my own. You want to be an old timer, so be it!

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08-09-2007 10:52 PM  10 years agoPost 16
drmrjon

rrApprentice

usa

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Granted I am new to the heli scene, but a couple of my heli friends that have been flying for years say that even with a regulator that most servos on the market are not able to handle the high voltage and heat put to them by lipos and a reg. It's not about being OLD TIME, it's about being carefull with your equiptment. Thank you gentlemen, I will be going with the nimh cells.

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08-09-2007 10:53 PM  10 years agoPost 17
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
lol....
You want to be an old timer, so be it!
that was so predictable...

my whole point of the post is to point out NIMH technology has changed...have you tried it recently??

heck i woudln't of used NIMH 2 years ago...that would of been dangerous...

to each his own


happy flying

Thanks
~Will-i-am~

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08-09-2007 11:16 PM  10 years agoPost 18
patriot21

rrKey Veteran

Byron,MN

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fromeco is the only way to go

My Sponsor:VISA

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08-10-2007 01:14 AM  10 years agoPost 19
rgl726

rrApprentice

cebu city,​philippines

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i think its a matter of prefference.

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08-10-2007 02:57 AM  10 years agoPost 20
BJames111

rrElite Veteran

San Diego,​California

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I used to run a bit 4200 mah nimh sub c, but the voltage would drop pretty low after just two or three flights. Not sure exactly why.

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