Hi Peter, Happy Holidays.
I can't directly answer your question, I am sure others will chime in, but I will say VTA and VTF have a definite linkage.
As you increase or decrease vertical tracking force it will change Vertical tracking angle. Now to what extent and how sensitive your setup is to this change is a debateable. For me, a .25 gram change if VTF clearly drives a need for VTA adjustment (which is easy on my TriPlanar)
I can't directly answer your question, I am sure others will chime in, but I will say VTA and VTF have a definite linkage.
As you increase or decrease vertical tracking force it will change Vertical tracking angle. Now to what extent and how sensitive your setup is to this change is a debateable. For me, a .25 gram change if VTF clearly drives a need for VTA adjustment (which is easy on my TriPlanar)