Quote Originally Posted by Davek0974 View Post
I've got a 2.2kw WC spindle coming for a new build, what size cutter could these handle in aluminium??

I have read that torque drops badly at lower speeds but what is the usable range???
Typically 12 - 24K. Size of cutter all depends on width and depth of cut.

http://zero-divide.net/?page=fswizard get used to using this, it also tells you how much power you need.