by Andrew Davie » Sat May 27, 2017 11:52 am
I was thinking about the distinctive sound of the motor as it stutters up and down in speed when the disc is synched. It's quite a howl/whine. I thought mmh, how about a system that takes the disk to slightly over-speed and remains constant, and then control the PID/disk speed with a mechanical "finger" - that is, a friction applied against the end of the disk just like we do it manually. It would be quieter, I'm sure - and the motor would be constant speed, happier. Just thought it was a bit of a whacky idea I'd jot down.