I no longer have any software for OnTarget2 or Archer Advantage. I'm wondering what the "Optimum Spine" is for this setup and different draw weights. Mathews HTR 30" #65 and #70 Currently shooting 29.5" carbon to carbon GT Velocity Pro 300's, 100gr point, 2" blazers and 4" wrap with GTO nocks and bushings or pin bushings/HD Pin Nocks Just curious as to what it says my "optimum spine" be for that setup and what the optimum draw weight would be for that arrow. I would also be interested to see if it changes any going from an HTR to a Chill X with the same specs.
