Inconsistent Cuts On Titan Lathe.

I got a Titan Lathe ( TL180V )secondhand just before Christmas. I've tried a few things with it but find it quite a finicky beast. It is nothing like the old Colchesters I remember from school days. My first issue is with just how speed sensitive it is. There seems to be no consistency between cutters even from the same set. The replaceable tip set seems to require higher speeds on brass than on alloy of the same diameter, just not logical.

Specific issues - Anticipated speeds causes bad...

Inconsistent Cuts On Titan Lathe.