Ok I have finally completed my quad and i have an issue, the right rear motor is spinning slower than the rest no matter what i do. I have replaced the esc and motor, re-installed firmware and tried older versions, checked all of my connections. when i do try to take off it tries to flip backwards. when i throttle up with no props it looks like the motor is twitching and it makes a very faint clunking noise(i have tried three different motors they all do the same thing.) i have calibrated the esc's many times. also i don't know what this means but the problem motor is drawing more current then the rest at slow speed with props off. I have also re soldered everything just in case.
hopefully someone can help with some advice. Thanks in advance.
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i will take a video tomorrow if i can get home, if not then friday, any idea on the higher current draw? maybe its nothing i just thought it was strange.
i have tried 3 different motors and 2 different escs, (i ordered extras)
no its not stiff at all...i am very confused.
Is the motor stiff at all?
Could the esc be bad / missing a phase? Try a different motor in place.