Most silent gear drive or other solutions...

[EreTroN]

Are you sure that the gears are the blame for the noise. Those flipsky 63** motors are known for really high frequency pitch noise when pushing around max erpm?

Take a look st this thread.

FS battle-hardened 6384 high pitched noise at certain rpm range

I finished my diy board a few months ago with boardnamics helical cut gear drives and flipsky battle hardened 6384 motors. I’m using a xenith v1 with 76 amps max per side. Shortly after completing the build I began to notice a really loud high pitched noise at certain speeds. I assumed at first that it was resonation within the gearbox and I took everything apart to clean and test. I found that both motors make the really high pitched sound at a specific rpm. I recorded it with gears, but it al…