Here is a typical spine chart. Notice it is divided by arrow type, carbon, alum, wood. The other factors are draw length, peak draw weight and arrow length.
This is critical to consistent archery. You need a properly spined arrow, you just can't go to Dicks and pick up some cool camo arrows in a box.
This is critical to consistent archery. You need a properly spined arrow, you just can't go to Dicks and pick up some cool camo arrows in a box.