Senton New Arrma Senton - Stuttering

harpdaddy

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Just purchased a new Arrma Senton, this is my first LiPo car so I am not sure of the possible issues. Right out of the box I am noticing that the car has no power and stutters when on anything other than smooth flat ground. Any thoughts?

I did notice that on the Arrma site they recommend a minimum of 35c per battery, the hobby store sold me two 20c 2s LiPo's. Is this the source of my issue?
 

yonzariq

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Depends, what is the mah size of your lipo.
Only with both the mah size and c-value of your lipo you can determine if it is strong enough.
The c-value only does not say a thing.

example:

The power a lipo can deliver (in amps) is lipo size in amps x c-value
This means a 2000mah 20c lipo can provide 40amps continous, 2000mah = 2amp * 20C = 40amp
Where a 5000mah 20c lipo can provide 100amps continous, 5000mah = 5 amp * 20C = 100amp

The 2000mah 20c lipo will most likely not be enough for your ride, and the 5000mah 20c can be enough.

I hope it is clear what I have written down :p
 

harpdaddy

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Took them back to the hobby shop. One battery read absolute Zero and the other read a voltage of less than 1. Got two 50c 5400mah 3s lipos.
 

Julian

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I have a Kraton v2 & Nero. They also use the same BLX esc and motor. Both manuals state very clearly - minimum 35C. I would suggest at least 50c Lipos to stay away from esc issues.
 

Rednas_N

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My Arrma Kraton was stuttering but that was because the batteries of the transmitter were low on voltage. I use 65C 6S in my Arrma Kraton, which is working fine. They are not getting very hot.
 

Swerny

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I have a Kraton v2 & Nero. They also use the same BLX esc and motor. Both manuals state very clearly - minimum 35C. I would suggest at least 50c Lipos to stay away from esc issues.
They don't use the same ESC or motor.I know since i have both.

The Kraton uses the BLX 185, which is a rebadged Hobbywing Quicrun and a 2050 kv 4074 motor

http://www.arrma-rc.com/power-systems/latest/blx185

The Nero uses the BLX 200 which is a rebadged Hobbywing Max 8 and a 2000 kv 4075 motor that's fully finned, a tad bigger diameter and slightly heavier.

http://www.arrma-rc.com/power-systems/latest/blx200
 

Julian

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They don't use the same ESC or motor.I know since i have both.

The Kraton uses the BLX 185, which is a rebadged Hobbywing Quicrun and a 2050 kv 4074 motor

http://www.arrma-rc.com/power-systems/latest/blx185

The Nero uses the BLX 200 which is a rebadged Hobbywing Max 8 and a 2000 kv 4075 motor that's fully finned, a tad bigger diameter and slightly heavier.

http://www.arrma-rc.com/power-systems/latest/blx200
My mistake. I was talking generally and was thinking about the esc. I have a max 8 combo on my other 1/8th scale MT and I thought the hobby wing in both were the same but programmed differently. Obviously my Nero is tougher and heavier but I have to say that in the costco lot - the Kraton definitely holds its own. I remember reading about the first version and the esc was 180a and was melting the enclosure. I got the v2 because it's like 5 lbs lighter and I can really jump it and control it in the air a lot easier. Love em both..
 

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