Originally Posted by red dog

Hi there,
I thought I would see if you could solve my problem. I have a brushed dual motor e revo and I decided to convert it to brushless. So I got two castle sidewinders. I talked to the guy at the lhs and he said I shouldn't have and problems so I proceeded. I ran each off its own battery (7.4 v lipo) and got it a ll set up and everything seemed just fine until I went to test it. I plugged one in (living the other unplugged) because I wanted to make sure that the motors were turning in the right direction. I spun the motor and..... smoked the other esc(the one that wasn't plugged in). I know now that when you turn a motor manually it creates voltage which is bad when it goes the wrong way. When I informed the guy from the hobby store he said that there is normally circuitry to prevent this and was confused as to how it happened, so, I'm asking you. I went and bought another sidewinder but before I set it up is there a way to prevent it from happening again?

The other problem I had was that I had to y connect them to the same receiver. Which causes a problem because when I turn the first esc on the other esc goes into link mode. So if you could help me with that too I would appreciate it.

Thanks