- #1
Robin Hooper
- 9
- 0
Good day, and thanks for having me on you forum.
I’ve been searching the web for the terminology used to explain the principal involved that causes the Dynabee/powerball wrist exerciser, rotor center pin to rotate in an opposite direction, relative to each end of the center pin. I understand that a single rotor pin spins in an inner circular race or channel where by one end of the pin rides against the upper part of the guide and the other end spins against the lower part. This I understand eliminates conflict in the direction the pin moves in its channel guide. I find this a very interesting principal, unique to the wrist exerciser mechanism but I’m at a loss to explain it in simple terms.
Thank you
Robin Hooper.
I’ve been searching the web for the terminology used to explain the principal involved that causes the Dynabee/powerball wrist exerciser, rotor center pin to rotate in an opposite direction, relative to each end of the center pin. I understand that a single rotor pin spins in an inner circular race or channel where by one end of the pin rides against the upper part of the guide and the other end spins against the lower part. This I understand eliminates conflict in the direction the pin moves in its channel guide. I find this a very interesting principal, unique to the wrist exerciser mechanism but I’m at a loss to explain it in simple terms.
Thank you
Robin Hooper.