thats a good idea. did not try it as i though tekin switches from sensored to sensorless mode at much lower RPMs but the hole might be caused by the switch.
Radek
V4 D8 - RX8, XERUN 4168SD
F1-09 - Tekin RS Pro, 17.5t Redline, 2S LiPo
Sakura Zero S - LRP, Saturn 20T, 2S LiPo
*EX-10 Eurus*