RE: Arrow weight + velocity = penetration SURVEY!
1. 27.75 in GoldTip XT Hunter 7595
2. 450 gr
3. 280 fps
4. 125 gr 3 Blade Muzzy's
5. Never shot or even hunted Whitetails, but complete pass throughs on Mulies/Elk, on one Elk hit the rib square and went to the vanes 1/2 way in.