RE: Bow poundage question - 70 vs 80
I intimately acquainted with what high poundage bows do.I used to shoot 110 pounds on a compound. 120 pounds on a longbow. My 'light target bow' that I shot field archery with was 80 pounds. This was back in the 80's. Now, 20 years later, my shoulders won't let me shoot ANY bow at ANY poundage. At this stage of life,I wish I'd never shot anything more than 60 pounds.
I have learned that looking for flatter trajectory by increasing poundage to ridiculous heights is a fool's errand. It will hurt you. Maybe not now, maybe not all at once, but eventually, you willget hurt. Either by slowly wearing out your joints, or by a series of minor injuries, orin one calamatous event, you will get hurt.
Besides that, heavier draw weights means you need stiffer arrows. Stiffer arrows = heavier arrows. Heavier arrows offset at least part of the gains you're looking for in speed and trajectory. The DUH factor comes into play here.
The SMART thing to do is leave the high poundage bows tothose who are going on safari for elephants andCape buffalo. Learn how to judge distance - or use a range finder-and learn your trajectory.