3,348,000 RPM, 55,800 rev/sec, 1176MPH, 1893kph, 18.8 Million G's

[--Oz--]

EDIT: 5-21-2019 3,808,800 RPM, 63,480 RPS, 1338mph, 2153kph, 24.3M G's

 

[PsyBorg]

That was one of the first thoughts that hit my mind when I saw those numbers.

How fast do the bearings turn to dust at those rpm. 😁

That is crazy rps. I couldnt imagine a prop even getting up to speed before it disintegrated if this were an actual motor for rc

 

[quorneng]

I would need rather more explanation of what and how before I believed any of that!

 

[PsyBorg]

Electromagnetic field manipulation using super high frequency pulses.

Basically a freakishly fast esc spinning a ball instead of a propeller

 

[--Oz--]

@quorneng Please read the description of the video.

FYI, mechanical RPM is very slow relatively to electricity.

 

[quorneng]

Very neat.
Is the magnetic input pulse triggered by the magnetic flux of the ball itself, as it is in a brushless ESC?
If not might the ball be actually spinning at some whole fraction of the input frequency?

 

[--Oz--]

Very neat.
Is the magnetic input pulse triggered by the magnetic flux of the ball itself, as it is in a brushless ESC?
If not might the ball be actually spinning at some whole fraction of the input frequency?

Yes, the ball magnet triggers the hall sensor, then that drives the fet, then the fet drives the coil to pull the ball around. So the hall sensor is reading every single rotation. The start of the trigger, to the start of the next trigger is the exact time for one revolution, that would be 28.72us, or 34,810 revolutions per second, Also the schematic and waveforms are all in the video to look at, thanks for watching.