Quote Originally Posted by Boyan Silyavski View Post
Bicycle disc brakes, some aluminum, 700w servo motor , you machine the pulleys and so, some belts. So basically the extra controller may be or you figure another way to do it.

I find that really an useful thing to have
Explain more please ..... I should be able to machine most of this - not sure about design and bearing selection, not an area I understand.