Hi @Hooby
the worksheet does not have any specific tuning for Vbits and ballnose endmills, that’s a good point, I should add something in this regard. The basic principles still apply, but I’ll see how I can correlate the usual recommended feeds and speeds for Vcarving with the guidelines I already have.
I feel you about the silly recommended RPMs in CC, I and several others raised this issue many times… What you can do though is just multiply everything by a given factor (RPM x factor and feedrate x factor) and you will get the same chipload with a usable RPM.
Good idea about the consolidated janka table, do share it and I will integrate it! It will also help me correlate them with unit power values when I start measuring those for various woods.