It is my understanding that the correct tool rest height for a bowl or spindle gouge is about 1/8 inch below centre so the tool is cutting on or slightly above centre


The height of the tool rest is adjusted up or down dependant on the thickness of the tool so in effect the tip of the tool cuts on or slightly above centre


The reason for my question


Recently I have seen a number of new turners set the tool rest set about 1/2 to 1" inch below centre and angle the tool upwards


Can anyone please comment/advise as my understanding is setting the tool rest at this lower height is not a good approach