Thanks again Taz.
And, maybe conversely, if you are spraying large areas & want volume laying down of paint, with the paint screw open too far on the 1.3mm, you would get better atomization with the 1.8 with the paint screw at correct spraying position?
Meaning each tip size should atomize correctly but just giving you more or less paint paint?
But perhaps, for some paint, better atomization is achieved with a larger tip size?
And then there is thinners! OMG!
Sorry guys. Thinking aloud here.