Electric motor

[Kevin Johnson]

https://www.youtube.com/watch?v=J2guzKTBFdg go to 9:50. You can hear the sound of just the spinning magnetic fields -- cool!

He must have very understanding (or frightened) neighbors.

[In-Tech]

I love an electronics geek with a claw hammer Kinda hurt my feelings when he smashed that osc/function generator, my crap is archaic

I'm self taught on everything so I gotta study up on PWM cuz that's what I want to do with my 100hp electric motor for my soon to be flow bench that will do ~50lbs of boost and wet flow, MAF based Yeah, listening to the magnetic field was way cool.