I don't want to come down on the tech, he's an IBO world champion with a longbow and an accomplished hunter. Nice guy and has been helpful. When he shoots the same bow, same arrow, he gets an exact oppose reaction out of the arrow. Nock right. There could be factors in my grip, form, release are angle, draw length, who knows. Plus the bow is 13 years old. If nothing else, I'm sure learning a lot. Whatever I spend will be cheaper than a college education and I can be that more equip to help my sons when they are of age. I'll get this figured out.
that's really good info, and it significantly increases the likelihood that the problem is you, not the bow or even the arrows. also, it points to your grip or draw-length probably being the problem, since the two main differences between you and your tech are probably in how you hold the bow and body size. Spine, cam lean, centershot are all eliminated as variables.
have you re-measured or experimented with different draw lengths? ever take an archery lesson? followed along through school of nock?