Thanks Andy - sorry - it's Phil How is that figure calculated please? I've found various online calculators but not much makes sense to me (at the moment....) I have a 3D printer so maybe I can print myself some new gears and see how they hold up under the stress of screw cutting (if I ever do any.....

Hi All, Happy New Lathe Day (HNLD) to me!! Well, I say 'new' lathe, but it's actually rather old. I've just bought myself a Viceroy TDS 1 S and am now trying to find out as much about it as I can. I've already had a good read of the forum and many thread etc - I've found the manual for the TDS range...