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View Full Version : can you run a 2s and 3s together????



bbosncali
03-20-2011, 04:00 AM
Does anyone know if you can run a 2s 5000mah and a 3s 5000mah battery together to make 5s? I just purchased a mg and keep reading that a lot of people run 5s lipos but before I purchase my batteries I want to know what will work for best results without upgrading my esc. I'm looking to try and atleast keep up with my friends spartan. Thanks for your help

Brushless01
03-20-2011, 04:31 AM
Yes you can as long as there the same C rating.

pyroM!KE
03-20-2011, 09:03 AM
Be sure to disable the bec and run a external rx pack or your stock esc will let the smoke out..Also..I wouldnt run any prop bigger than a 42mm..I ran a m445 on my stock esc on 5s with the stock motor and the esc went up in smoke...I would run a x642 on 5s or the stock prop..

PDR447
03-20-2011, 02:59 PM
how fast is the spartan running? you can get 40mph out of 4s with a prather 220. Otherwise 5s on a smaller prop will get you up there too.

PIGSTI13
03-22-2011, 11:14 AM
Do yourself a favor and steer clear of the Spartan...

Diesel6401
03-22-2011, 11:46 AM
Does anyone know if you can run a 2s 5000mah and a 3s 5000mah battery together to make 5s? I just purchased a mg and keep reading that a lot of people run 5s lipos but before I purchase my batteries I want to know what will work for best results without upgrading my esc. I'm looking to try and atleast keep up with my friends spartan. Thanks for your help


Yes you can as long as there the same C rating.

Same C rating AND same mah rating. It also helps if the packs are around the same age/number of cycles and the same brand! Failing to do so will lead to bad things!

Like mentioned stay away from that Spartan, you don't want you or your boat anywhere near that thing when it goes it in smoke....

Shaun78
03-22-2011, 05:41 PM
Bbosncali, u better get all the tips and tricks u need cause the Spartan is gonna smoke miss geico. Get it going,I need a good race......

Diesel6401
03-22-2011, 06:05 PM
Bbosncali, u better get all the tips and tricks u need cause the Spartan is gonna smoke miss geico. Get it going,I need a good race......

It's gonna smoke something alright...
:just-kidding:
Sorry I couldn't resist...


* Welcome to OSE...

bbosncali
03-22-2011, 06:11 PM
Lol thanks diesel.... don't. Hate shaun why don't you run 4s and we'll see who's faster

Diesel6401
03-22-2011, 06:20 PM
Lol thanks diesel.... don't. Hate shaun why don't you run 4s and we'll see who's faster

Just cracking jokes, all in good fun, hopefully he doesn't take offense. I ran 46mph on a stock mg on 5s with a x642... If he is running a stock spartan on 6s your mg on 5s should get close.

http://www.youtube.com/watch?v=TsZmdN6FsIs

bbosncali
03-22-2011, 06:49 PM
He hit a best 47mph on 6s but pretty much mid 40s so I'm looking to get there.

Shaun78
03-22-2011, 06:55 PM
And then I'll sell my stock stuff and get the t180 and a castle and hit over 60 mph...47.1 is my best so far and stable too. No offense taken I make jokes too. My speed control blew the 1st day I powered it on....traxxas customer service is the BEST, that's why I stick with them. I can't wait to drive miss geico though. My boat on 4 s is pretty slow though. Just over 30 mph. I want mid 50's

Shaun78
03-22-2011, 06:55 PM
Hey bos, that's 47.1 to u.......lol

bbosncali
03-22-2011, 07:14 PM
Ooooohhhhh.... well esc is on the way offset prop on the way x642 prop on the way all I need is 1 3s and ill be right next to you buddy..... you and your plastic tonka toy lol

bbosncali
03-22-2011, 07:18 PM
Hey shaun check out that video link and see what a real boat looks like lol.... looks good deisel

shctexas
03-22-2011, 07:19 PM
Nice shot Diesel! Question... whats the benefit to running an external rx battery pack and disconnecting the bec?

bbosncali
03-22-2011, 07:22 PM
The esc doesn't work as hard from what I've read

dano1
03-22-2011, 07:58 PM
lower temps on the esc