Originally Posted by
Bible_Man
So, there is roughly a 2.5fps change per # and roughly 10fps change per inch of draw...how much change is there from arrow weight? Is that as simple an answer?
1fps per 3gr
Roughly! Different for different bows and cam efficiencies. It is a dynamic change as well. As arrow weight goes up, dynamic efficiency goes up so it will take more gr to lose 1fps.
Simple, not exactly, but close enough