Build a Dynamic Balancer
This is a series of videos that show the build of a small dynamic balancer without blowing the bank account.. Most will be video and at the end there will be a list of materials used and maybe a drawing or two.

https://www.youtube.com/watch?v=iNVZrpNRThk

My first post on each project is PUBLIC, the rest of the posts on the project will be available to subscribers only. I make between 2 and 6 posts per month, sometimes more.