My Samguk Motors have been on this drone for so long now it was only a matter of time before weird things started happening. Mid throttle bad oscillations.
I changed the FC and the VTX and the PDB and two motors. It is the other two motors that are causing the problems.
Thanks for watching




![YH 19HW foldable FPV drone – Range Test of a cheap DJI Spark Clone [2018] YH 19HW foldable FPV drone – Range Test of a cheap DJI Spark Clone [2018]](https://quadcoptersource.tesb1.com/wp-content/uploads/2018/04/YH-19HW-foldable-FPV-drone-Range-Test-of-a-cheap-DJI-Spark-Clone-2018-200x137.jpg)


