deercreek I had the same problem with arrow flight on my PSE DNA. I went from 5575s to 7595s and my shafts are only 28" but I am shooting 60#. I also switched from 2" Blazers to 4" NAP QuikSpin vanes.
Not familiar with the Hoyt Charger I believe my problem was slight fletching contact with the higher profile Blazers.
I think that Nomercy is spot on with his analysis.