Direct drive z-stage

Ive been looking at one of those since seeing it on another thread here but havent pushed the button yet.

I had not considered the weight issue, but since I am currntly running 300w quiet cut spindle, i think my situation would not lemd itself to the weight twisting things so much.

@StephanMonette has been playing with one of these in this thread which is what got me thinking about it
Has anyone tried upgrading to RM2ZZ steel v wheels? - #35 by DanBrown