Castle SW3 and Axial 27t jerky?

[TrimbleTractor]

I wired up my new SW3 and axial 27t motor tonight, calibrated it and all correctly.... Motor runs but is very jerky and when i hold down full throttle the motor just stops. I used the reversing wiring diagram in the castle menu, white wire not used. I have calibrated it several times now, reversed polarity, nothing. Any advice is much appreciated!!

[juttsvw]

Originally Posted by TrimbleTractor

I wired up my new SW3 and axial 27t motor tonight, calibrated it and all correctly.... Motor runs but is very jerky and when i hold down full throttle the motor just stops. I used the reversing wiring diagram in the castle menu, white wire not used. I have calibrated it several times now, reversed polarity, nothing. Any advice is much appreciated!!

It sounds like the esc is still in brushless mode. You will need castle link and a pc to change from brushless to brushed.

[Bronco Bobby]

Juttsvw is probably right, or it could act that way if it is set for lipo and you aren't running one. What kind of servo are you running? IF it is a very high torque, it can cause mischief. I just pulled my hair out getting one to work. Even with a bec it wouldn't operate correctly. I ended up setting the voltage a little lower on the bec and that solved the problem. Totally a mess at 7 volts, went down to 6 and everything is fine.