Quote Originally Posted by BKratchmer View Post
I really, really wouldn't recommend 'overloading' the buffer to get greaseless on it; this is very VERY bad for the motor and will be impossible-- and maybe kill you trying-- on anything but the smallest size or two of low-rpm buffers..
I use 6 inch wheels on an 1800 RPM baldor buffer. No problems so far, and no dangerous outcomes yet.