After 30+ years in archery as both a competitor and coach, I can confidently tell you that all of the above information is incorrect.
You absolutely 100% should nock tune bare shafts. Once they’re fletched, the fletching will correct imperfections in the tune of the bow.
First things first, determine what arrow spine you need for your draw weight and draw length and desired broadhead weight. From there, cut your arrows to the specified length. Ideally, the end of the carbon shaft should just be beyond the front of the arrow shelf. If it’s shorter you risk a fixed blade broadhead coming in contact with with something it shouldn’t. This is illustrated in nearly every ATA guideline.
Mark your bare shafts with a silver marker and your nock with something else and shoot it through power to get a bullet hole, tuning your bow as you go. The reason you want to mark your nock is so that your know which side is up and which is down, so that when you’re done nock tuning you can orient all your shafts the saw way. Once a bullet hole is achieved, shoot your next bare shaft. Rotate the nock 1/4 turn each time until that shaft also shoots a bullet hole. Not all 12 shafts may achieve a bullet hole. Set those shafts aside.
One all the shafts are nock tuned, fletch your arrows in the same orientation.
Next, shoot a broadhead into a target at 20yds. The follow up with a field point. If they hit the same spot, you’re good. If not, you may need to fine tune by either wheeling the cam or adjusting the rest yo and down. This is the only time I move an arrow rest. Before this, I’m adjusting can lean by wheeling or yoke tuning, or moving my nock point. The arrow rest is in a mechanical center point and should ideally stay as close to there as possible.
There are several good videos on YouTube for nock tuning. Check out stuff by George Ryals, John Dudley, and Levi Morgan
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