50 CNY (≈7 USD) second-hand motor of DJI, Dismantling and refurbishing KV

不同极对数的绕线图网站：www.daswindrad.de/diverses/bewicklungsrechner/bewicklungsrechner.html
视频中为了效果，大幅减略了过程难度，实际蛮费时间和精力的，不推荐纯小白尝试。
In the video, for the sake of effect, the difficulty of the process has been greatly reduced, which is actually quite time-consuming and energy-consuming. It is not recommended for pure novice to try.
Bilibili：MG様
space.bilibili...

[@JimmyWenChannelJ]

壓軸承說不押內圈你還是壓了, 加兩片墊片應該就能解決的