But because the steerin servo works with internal bec????

Don't know. might be that it's feeding back power but uses another powersource to juice the esc.

Come on, Virusss, just use a receiver pack and let us know.

nothing not work... :(

You have another controller?

No Captain i dont have another esc,what advised to me, quark or Mambamax?
I would buy the Mamba

You COULD test the mamba.

But with the quark 125 you are playing safe.