ORIGINAL: mobow
I believe the goal for a hunting set up is 11-14%, is that right fellas?
I've heard everything from 8-15%. Some guys on Archertalk swear by 20-25%. I don't really know.
Most of the time, if you choose an arrow that is the proper length and spine for your bow, and choose a tip that maintains proper dynamic spine, the FOC will take care of itself. You can get into trouble when you start shooting 75 grain broadheads on a heavy arrow, or a 150-200 grain broadhead on a light arrow. If you avoid extremes, it usually works out OK in terms of FOC.